WO2001018079A1 - Ophthalmic and otorhinolaryngological device materials - Google Patents
Ophthalmic and otorhinolaryngological device materials Download PDFInfo
- Publication number
- WO2001018079A1 WO2001018079A1 PCT/US2000/023285 US0023285W WO0118079A1 WO 2001018079 A1 WO2001018079 A1 WO 2001018079A1 US 0023285 W US0023285 W US 0023285W WO 0118079 A1 WO0118079 A1 WO 0118079A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- copolymer
- methacrylate
- monomer
- group
- monomethacrylate
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/30—Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety
- C08F220/301—Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety and one oxygen in the alcohol moiety
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
- A61F2/16—Intraocular lenses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/16—Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/30—Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety
- C08F220/302—Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety and two or more oxygen atoms in the alcohol moiety
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
- G02B1/043—Contact lenses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/16—Materials or treatment for tissue regeneration for reconstruction of eye parts, e.g. intraocular lens, cornea
Definitions
- This invention is directed to improved ophthalmic and otorhinolaryngological device materials.
- this invention relates to soft, high refractive index acrylic device materials particularly suited for use as intraocular lens (“IOL”) materials.
- hydrogels With the recent advances in small-incision cataract surgery, increased emphasis has been placed on developing soft, foldable materials suitable for use in artificial lenses. In general, these materials fall into one of three categories: hydrogels, silicones, and acrylics.
- hydrogel materials have a relatively low refractive index, making them less desirable than other materials because of the thicker lens optic necessary to achieve a given refractive power.
- Silicone materials generally have a higher refractive index than hydrogels, but tend to unfold explosively after being placed in the eye in a folded position. Explosive unfolding can potentially damage the corneal endothelium and/or rupture the natural lens capsule.
- Acrylic materials are desirable because they typically have a high refractive index and unfold more slowly or controllably than silicone materials.
- U.S. Patent No. 5,290,892 discloses high refractive index, acrylic materials suitable for use as an IOL material. These acrylic materials contain, as principal components, two aryl acrylic monomers. The lOLs made of these acrylic materials can be rolled or folded for insertion through small incisions.
- U.S. Patent No. 5,331 ,073 also discloses soft acrylic IOL materials. These materials contain as principal components, two acrylic monomers which are defined by the properties of their respective homopolymers. The first monomer is defined as one in which its homopolymer has a refractive index of at least about 1.50. The second monomer is defined as one in which its homopolymer has a glass transition temperature less than about 22 °C. These IOL materials also contain a cross-linking component. Additionally, these materials may optionally contain a fourth constituent, different from the first three constituents, which is derived from a hydrophilic monomer. These materials preferably have a total of less than about 15% by weight of a hydrophilic component.
- U.S. Patent No. 5,693,095 discloses foldable, high refractive index ophthalmic lens materials containing at least about 90 wt.% of only two principal components: one aryl acrylic hydrophobic monomer and one hydrophilic monomer.
- the aryl acrylic hydrophobic monomer has the formula
- Ar is any aromatic ring which can be unsubstituted or substituted with CH3, C 2 H 5 , n-C 3 H 7 , iso-C 3 H 7 , OCH3, C ⁇ H ⁇ , Cl, Br, C 6 H 5 ,
- the lens materials described in the '095 Patent preferably have a glass- transition temperature ("T g ”) between about -20 and +25 °C.
- Improved soft, foldable acrylic device materials which are particularly suited for use as lOLs, but which are also useful as other ophthalmic or otorhinolaryngological devices, such as contact lenses, keratoprostheses, corneal rings or inlays, otological ventilation tubes and nasal implants, have been discovered.
- These materials contain only two principal components: one aryl acrylic hydrophobic monomer and one hydrophilic monomer.
- the materials of the present invention are copolymers comprising at least about 90% by weight of the two principal monomeric components, provided that the amount of the hydrophilic component is not greater than that of the aryl acrylic hydrophobic component.
- the remainder of the material comprises up to 10% by weight of one or more additional components serving other purposes, such as cross-linking, UV-light absorbing, and blue-light absorbing components.
- the improved acrylic materials of the present invention are copolymers comprising only two principal monomeric components: an aryl acrylic hydrophobic component and a hydrophilic component.
- aryl acrylic hydrophobic monomers suitable for use in the materials of the present invention have the formula
- Y is O or O(CH 2 CH 2 O) n ; n is 1 - 6; w is 1 - 6, provided that m + w ⁇ 8; and
- Ar is any aromatic ring which can be unsubstituted or substituted with CH 3 , C 2 H 5 , n-C 3 H 7 , iso-C 3 H 7 , OCH 3 , Q ⁇ , Cl, Br,
- Monomers of the above structural formula can be made by methods known in the art.
- the conjugate alcohol of the desired monomer can be combined in a reaction vessel with methyl methacrylate, tetrabutyl titanate (catalyst), and a polymerization inhibitor such as 4-benzyloxy phenol.
- the vessel can then be heated to facilitate the reaction and distill off the reaction by-products to drive the reaction to completion.
- Alternative synthesis schemes involve adding methacrylic acid to the conjugate alcohol and catalyzing with a carbodiimide or mixing the conjugate alcohol with methacryloyl chloride and a base such as pyridine or triethylamine.
- Preferred aryl acrylic hydrophobic monomers for use in the materials of the present invention are those wherein X is CH 3 , m is 2 - 5, w is 1 , Y is O or
- Ar is phenyl. Most preferred are 2-benzyloxyethyl methacrylate, 3-benzyloxypropyl methacrylate, and benzyloxyethoxyethyl methacrylate.
- the homopolymers of the aryl acrylic hydrophobic monomers suitable for use in the present invention contain an equilibrium water content of less than 3 %, and preferably less than 2 %, by weight as determined gravimet cally in deionized water at ambient conditions.
- the hydrophilic monomers suitable for use in the present invention contain at least one reactive, unsaturated functional group.
- the reactive unsaturated functional group is a vinyl, acrylate or methacrylate group.
- the homopolymers of the hydrophilic monomers suitable for use in the materials of the present invention have an equilibrium water content of at least 10 %, and preferably at least 25 %, by weight as determined gravimethcally in deionized water at ambient conditions.
- Suitable hydrophilic monomers for use in the present invention include
- Preferred hydrophilic monomers for use in the present invention are include 2-hydroxyethyl acrylate; 2-hydroxyethyl methacrylate; and polyethylene oxide: 1000 monomethacrylate.
- the materials of the present invention are copolymers comprising a total of about 90 % by weight of the two p ⁇ ncipal components described above, provided that the amount of the hydrophilic component is not greater than the aryl acrylic hydrophobic component.
- copolymer materials of the present invention are cross-linked.
- the copolymerizable cross-linking agent used in the copolymers of this invention may be any terminally ethylenically unsaturated compound having more than one unsaturated group. Combinations of cross-linking monomers are also suitable.
- Suitable cross-linking agents include, for example: ethylene glycol dimethacrylate; diethylene glycol di methacrylate; polyethylene oxide dimethacrylate; allyl methacrylate; 1 ,3-propanediol dimethacrylate; allyl methacrylate; 1 ,6-hexanediol dimethacrylate; 1 ,4-butanediol dimethacrylate; and their corresponding acrylates.
- Preferred cross-linking agents are 1 ,4- butanediol diacrylate (BDDA), ethyleneglycol dimethacrylate and polyethylene oxide dimethacrylate.
- the amount of the cross-linking component is at least 0.1 % (weight).
- the lens material of the present invention may also contain a total of up to about 10 % by weight of additional components which serve other purposes, such as reactive UV and/or blue-light absorbers.
- a preferred reactive UV absorber is 2-(2'-hydroxy-3'-methallyl-5'- methylphenyl)benzotriazole, commercially available as o-Methallyl Tinuvin P ("oMTP”) from Polysciences, Inc., Warrington, Pennsylvania. UV absorbers are typically present in an amount from about 0.1 - 5 % (weight).
- Suitable reactive blue-light absorbing compounds are those described in commonly assigned, copending U.S. patent application serial number
- Blue-light absorbers are typically present in an amount from about 0.01 - 0.5 %
- Suitable polymerization initiators include thermal initiators and photoinitiators.
- Preferred thermal initiators include peroxy free-radical initiators, such as t-butyl (peroxy-2-ethyl)hexanoate and di-(tert-butylcyclohexyl) peroxydicarbonate (commercially available as Perkadox ® 16 from Akzo Chemicals Inc., Chicago, Illinois).
- preferred photoinitiators include benzoylphosphine oxide initiators, such as 2,4,6-trimethyl-benzoyldiphenyl-phosphine oxide, commercially available as Lucirin ® TPO from BASF Corporation (Charlotte, North Carolina). Initiators are typically present in an amount of about 5 % (weight) or less.
- the ingredients and their proportion are selected so that the improved acrylic lens materials of the present invention possess the following properties, which make the materials of the present invention particularly suitable for use in lOLs which are to be inserted through incisions of 5 mm or less.
- the lens material preferably has a refractive index in the dry state of at least about 1.50 as measured by an Abbe' refractometer at 589 nm (Na light source).
- Optics made from materials having a refractive index lower than 1.50 are necessarily thicker than optics of the same power which are made from materials having a higher refractive index.
- IOL optics made from materials having a refractive index lower than about 1.50 generally require relatively larger incisions for IOL implantation.
- the glass-transition temperature (“Tg") of the lens material which affects the material's folding and unfolding characteristics, is preferably less than about +25 °C, and more preferably less than about +15 °C.
- Tg is measured by differential scanning calorimetry at 10 °C/min., and is generally determined at the midpoint of the transition of the heat flux curve.
- Tg and Tg (mid) both refer to the Tg taken at the midpoint of the transition of the heat flux curve.
- Tg (start)” refers to the Tg taken at the beginning of the transition of the heat flux curve;
- Tg (end) refers to the Tg taken at the end of the transition of the heat flux curve.
- the lens material will have an elongation of at least 150%, preferably at least 200%, and most preferably between 300 and 600%. This property indicates that the lens generally will not crack, tear or split when folded. Elongation of polymer samples is determined on dumbbell shaped tension test specimens with a 20 mm total length, length in the grip area of 4.88 mm, overall width of 2.49 mm, 0.833 mm width of the narrow section, a fillet radius of 8.83 mm, and a thickness of 0.9 mm. Testing is performed on samples at standard laboratory conditions of 23 ⁇ 2 °C and 50 ⁇ 5 % relative humidity using an Instron Material Tester model 1122 with a 2000 gram load cell.
- the grip distance is set at 14 mm and a crosshead speed is set at 20 mm/minute and the sample is pulled to 700 % elongation or until failure.
- the elongation (strain) is reported as a fraction of the displacement at failure to the original grip distance.
- the modulus is calculated as the instantaneous slope of the stress-strain curve at 100 % strain. Stress is calculated at the maximum load for the sample, typically the load when the sample breaks, assuming that the initial area remains constant. This stress is recorded as "tensile strength" in the examples below.
- lOLs constructed of the materials of the present invention can be of any design capable of being rolled or folded into a small cross section that can fit through a relatively smaller incision.
- the lOLs can be of what is known as a one piece or multipiece design, and comprise optic and haptic components.
- the optic is that portion which serves as the lens and the haptics are attached to the optic and are like arms which hold the optic in its proper place in the eye.
- the optic and haptic(s) can be of the same or different material.
- a multipiece lens is so called because the optic and the haptic(s) are made separately and then the haptics are attached to the optic.
- the optic and the haptics are formed out of one piece of material. Depending on the material, the haptics are then cut, or lathed, out of the material to produce the IOL.
- foldable lOLs are materials that have a tensile modulus (stress at break) ⁇ 10 Mpa and a Tg (end) ⁇ 30 °C.
- the materials of the present invention are also suitable for use as other ophthalmic or otorhinolaryngological devices such as contact lenses, keratoprostheses, corneal inlays or rings, otological ventilation tubes and nasal implants.
- each of the formulations of Examples 1 - 14 is prepared as follows, with all of the reactive monomers used being substantially free of inhibitors. After combining the formulation components as listed in Table 1 , each formulation is mixed by agitation, and then injected into a polypropylene 25 x 12 x 1 mm slab mold. The bottom portion of the IOL mold contains a cavity which is filled to capacity, and then the top portion of the IOL mold is placed on the bottom portion and locked in place by mating male and female grooves machined into each portion. To make slabs, the cavity in the bottom portion of the slab mold is filled to capacity with the formulation and then the top is placed on strictly as a seal. The molds can either be filled under an inert nitrogen or standard laboratory atmosphere.
- a means of clamping via springs is asserted on the molds.
- the clamped molds are placed in a convection air oven and cured at 80 - 90 °C for 1 hour, then 100 - 110 °C for 2 hours.
- the molds are opened and the cured intraocular lenses or polymer slabs are removed and extracted in acetone to remove any unreacted materials.
- PPMA 5-phenylpentyl methacrylate
- BPMA 2-benzyloxyethyl methacrylate
- HEMA hydroxyethyl methacrylate
- MEMA methoxyethoxyethyl methacrylate
- HPMA hydroxyphenoxypropyl methacrylate
- EGDMA ethylene glycol dimethacrylate
- BPO benzoyl peroxide
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002381177A CA2381177A1 (en) | 1999-09-07 | 2000-08-23 | Ophthalmic and otorhinolaryngological device materials |
JP2001522300A JP2003508605A (en) | 1999-09-07 | 2000-08-23 | Equipment materials for ophthalmology and otorhinolaryngology |
BR0013779-0A BR0013779A (en) | 1999-09-07 | 2000-08-23 | Ophthalmological and otorhinolaryngological device materials |
AU70705/00A AU766397B2 (en) | 1999-09-07 | 2000-08-23 | Ophthalmic and otorhinolaryngological device materials |
EP00959369A EP1210381A1 (en) | 1999-09-07 | 2000-08-23 | Ophthalmic and otorhinolaryngological device materials |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15262199P | 1999-09-07 | 1999-09-07 | |
US60/152,621 | 1999-09-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001018079A1 true WO2001018079A1 (en) | 2001-03-15 |
Family
ID=22543684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/023285 WO2001018079A1 (en) | 1999-09-07 | 2000-08-23 | Ophthalmic and otorhinolaryngological device materials |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1210381A1 (en) |
JP (1) | JP2003508605A (en) |
CN (1) | CN1371394A (en) |
AR (1) | AR025572A1 (en) |
AU (1) | AU766397B2 (en) |
BR (1) | BR0013779A (en) |
CA (1) | CA2381177A1 (en) |
WO (1) | WO2001018079A1 (en) |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002077044A2 (en) * | 2001-03-26 | 2002-10-03 | Contamac Ltd | Polymer composition for intraocular lens |
US6635732B2 (en) | 1999-04-12 | 2003-10-21 | Surgidev Corporation | Water plasticized high refractive index polymer for ophthalmic applications |
US6806337B2 (en) | 2002-07-16 | 2004-10-19 | Alcon | Ophthalmic and otorhinolaryngological device materials |
WO2005035607A1 (en) * | 2003-09-26 | 2005-04-21 | 3M Innovative Properties Company | Reactive hydrophilic oligomers |
WO2005011769A3 (en) * | 2003-07-31 | 2005-04-21 | Scimed Life Systems Inc | Implantable or insertable medical devices containing acrylic copolymer for controlled delivery of therapeutic agent |
US7074839B2 (en) | 2004-03-01 | 2006-07-11 | 3M Innovative Properties Company | Crosslinkable hydrophilic materials from reactive oligomers having pendent photoinitiator groups |
US7384984B2 (en) | 2003-12-10 | 2008-06-10 | 3M Innovative Properties Company | Reactive hydrophilic oligomers |
US7585900B2 (en) | 2006-07-21 | 2009-09-08 | Alcon, Inc. | Low-tack ophthalmic and otorhinolaryngological device materials |
FR2930731A1 (en) * | 2008-04-30 | 2009-11-06 | Acrylian Soc Par Actions Simpl | ACRYLIC POLYMERIC MATERIAL, HYDROPHOBIC FOR INTRAOCULAR LENS |
US7714039B2 (en) | 2006-07-21 | 2010-05-11 | Alcon, Inc. | Low-tack ophthalmic and otorhinolaryngological device materials |
ES2340241A1 (en) * | 2008-05-21 | 2010-05-31 | Consejo Superior De Investigaciones Cientificas (Csic) | Acrylic copolymers hydrophyl derived from eugenol, preparation, characterization and its use as ophthalmic lenses. (Machine-translation by Google Translate, not legally binding) |
US7790824B2 (en) | 2007-07-25 | 2010-09-07 | Alcon, Inc. | High refractive index ophthalmic device materials |
US8058323B2 (en) | 2006-07-21 | 2011-11-15 | Novartis Ag | Low-tack ophthalmic and otorhinolaryngological device materials |
WO2012004746A2 (en) | 2010-07-05 | 2012-01-12 | Polymer Technologies International (Eou) | Refractive-diffractive ophthalmic device and compositions useful for producing same |
WO2012010918A3 (en) * | 2010-07-21 | 2012-03-29 | Medicontur Orvostechnikai Kft. | Optical devices |
US8247511B2 (en) | 1999-04-12 | 2012-08-21 | Advanced Vision Science, Inc. | Water plasticized high refractive index polymer for ophthalmic applications |
WO2013040434A1 (en) | 2011-09-16 | 2013-03-21 | Benz Research And Development Corp. | Hydrophobic intraocular lens |
US9056934B2 (en) | 2004-12-07 | 2015-06-16 | Key Medical Technologies, Inc. | Nanohybrid polymers for ophthalmic applications |
WO2017200934A1 (en) | 2016-05-16 | 2017-11-23 | Benz Research And Development Corp. | Hydrophobic intraocular lens |
US20180021475A1 (en) * | 2015-01-29 | 2018-01-25 | Menicon Co., Ltd | Intraocular lens material and method for preserving intraocular lens material |
US9907881B2 (en) | 2014-02-27 | 2018-03-06 | Acrylian | Crosslinked, hydrophobic acrylic copolymer made of 2-phenoxytetraethylene-glycol acrylate and intended for intraocular lenses |
WO2018112180A1 (en) | 2016-12-16 | 2018-06-21 | Benz Research And Development Corp. | High refractive index hydrophilic materials |
EP3502147A1 (en) * | 2017-12-22 | 2019-06-26 | Merck Patent GmbH | Composition for ophthalmological products |
US11702396B2 (en) | 2017-02-15 | 2023-07-18 | Johnson & Johnson Surgical Vision, Inc. | Hydrophobic compounds for optically active devices |
US11753387B2 (en) | 2017-02-15 | 2023-09-12 | Johnson & Johnson Surgical Vision, Inc. | Compounds for optically active devices |
US11958819B2 (en) | 2015-08-21 | 2024-04-16 | Johnson & Johnson Surgical Vision, Inc. | Compounds for optically active devices |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR0007069B1 (en) * | 1999-09-07 | 2010-02-09 | collapsible ophthalmic and ENT device materials. | |
TWI461186B (en) * | 2007-10-05 | 2014-11-21 | Alcon Inc | Ophthalmic and otorhinolaryngological device materials |
TWI426932B (en) * | 2007-10-05 | 2014-02-21 | Alcon Inc | Ophthalmic and otorhinolaryngological device materials |
TWI517861B (en) * | 2011-02-08 | 2016-01-21 | 諾華公司 | Low-tack, hydrophobic ophthalmic device materials |
CN111154028A (en) * | 2020-01-06 | 2020-05-15 | 东南大学 | High-refractive-index corneal contact lens material and application thereof |
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US5331073A (en) * | 1992-11-09 | 1994-07-19 | Allergan, Inc. | Polymeric compositions and intraocular lenses made from same |
WO1996040303A1 (en) * | 1995-06-07 | 1996-12-19 | Alcon Laboratories, Inc. | Improved high refractive index ophthalmic lens materials |
WO2000034804A1 (en) * | 1998-12-11 | 2000-06-15 | Bausch & Lomb Surgical, Inc. | High refractive index hydrogel compositions for ophthalmic implants |
-
2000
- 2000-08-23 WO PCT/US2000/023285 patent/WO2001018079A1/en not_active Application Discontinuation
- 2000-08-23 BR BR0013779-0A patent/BR0013779A/en not_active IP Right Cessation
- 2000-08-23 JP JP2001522300A patent/JP2003508605A/en not_active Withdrawn
- 2000-08-23 EP EP00959369A patent/EP1210381A1/en not_active Withdrawn
- 2000-08-23 CN CN00812275A patent/CN1371394A/en active Pending
- 2000-08-23 CA CA002381177A patent/CA2381177A1/en not_active Abandoned
- 2000-08-23 AU AU70705/00A patent/AU766397B2/en not_active Ceased
- 2000-09-06 AR ARP000104654A patent/AR025572A1/en unknown
Patent Citations (4)
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US5331073A (en) * | 1992-11-09 | 1994-07-19 | Allergan, Inc. | Polymeric compositions and intraocular lenses made from same |
WO1996040303A1 (en) * | 1995-06-07 | 1996-12-19 | Alcon Laboratories, Inc. | Improved high refractive index ophthalmic lens materials |
US5693095A (en) * | 1995-06-07 | 1997-12-02 | Alcon Laboratories, Inc. | High refractive index ophthalmic lens materials |
WO2000034804A1 (en) * | 1998-12-11 | 2000-06-15 | Bausch & Lomb Surgical, Inc. | High refractive index hydrogel compositions for ophthalmic implants |
Cited By (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6635732B2 (en) | 1999-04-12 | 2003-10-21 | Surgidev Corporation | Water plasticized high refractive index polymer for ophthalmic applications |
US6635731B2 (en) | 1999-04-12 | 2003-10-21 | Surgidev Corporation | Water plasticized high refractive index polymer for ophthalmic applications |
US8247511B2 (en) | 1999-04-12 | 2012-08-21 | Advanced Vision Science, Inc. | Water plasticized high refractive index polymer for ophthalmic applications |
US7083645B2 (en) | 1999-04-12 | 2006-08-01 | Advanced Vision Science, Inc. | Water plasticized high refractive index polymer for ophthalmic applications |
WO2002077044A2 (en) * | 2001-03-26 | 2002-10-03 | Contamac Ltd | Polymer composition for intraocular lens |
WO2002077044A3 (en) * | 2001-03-26 | 2002-11-28 | Contamac Ltd | Polymer composition for intraocular lens |
US6806337B2 (en) | 2002-07-16 | 2004-10-19 | Alcon | Ophthalmic and otorhinolaryngological device materials |
US9114199B2 (en) | 2003-07-31 | 2015-08-25 | Boston Scientific Scimed, Inc. | Implantable or insertable medical devices containing acrylic copolymer for controlled delivery of therapeutic agent |
WO2005011769A3 (en) * | 2003-07-31 | 2005-04-21 | Scimed Life Systems Inc | Implantable or insertable medical devices containing acrylic copolymer for controlled delivery of therapeutic agent |
US7598298B2 (en) | 2003-09-26 | 2009-10-06 | 3M Innovative Properties Company | Reactive hydrophilic oligomers |
WO2005035607A1 (en) * | 2003-09-26 | 2005-04-21 | 3M Innovative Properties Company | Reactive hydrophilic oligomers |
US7659323B2 (en) | 2003-09-26 | 2010-02-09 | 3M Innovative Properties Company | Hydrophilic gel from reactive hydrophilic oligomers |
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AU766397B2 (en) | 2003-10-16 |
EP1210381A1 (en) | 2002-06-05 |
BR0013779A (en) | 2002-05-14 |
AU7070500A (en) | 2001-04-10 |
CA2381177A1 (en) | 2001-03-15 |
AR025572A1 (en) | 2002-12-04 |
CN1371394A (en) | 2002-09-25 |
JP2003508605A (en) | 2003-03-04 |
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