DE68904881T2 - Verfahren zur herstellung von hydrogel formteilen, einschliesslich kontaktlinsen. - Google Patents

Verfahren zur herstellung von hydrogel formteilen, einschliesslich kontaktlinsen.

Info

Publication number
DE68904881T2
DE68904881T2 DE8989312224T DE68904881T DE68904881T2 DE 68904881 T2 DE68904881 T2 DE 68904881T2 DE 8989312224 T DE8989312224 T DE 8989312224T DE 68904881 T DE68904881 T DE 68904881T DE 68904881 T2 DE68904881 T2 DE 68904881T2
Authority
DE
Germany
Prior art keywords
diluent
delta
contact lenses
water
molded parts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE8989312224T
Other languages
English (en)
Other versions
DE68904881D1 (de
Inventor
Ture Kindt-Larsen
John C Heaton
Edmund C Rastrelli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson and Johnson Vision Care Inc
Original Assignee
Johnson and Johnson Vision Products Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Johnson and Johnson Vision Products Inc filed Critical Johnson and Johnson Vision Products Inc
Application granted granted Critical
Publication of DE68904881D1 publication Critical patent/DE68904881D1/de
Publication of DE68904881T2 publication Critical patent/DE68904881T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00038—Production of contact lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
    • B29K2033/04—Polymers of esters
    • B29K2033/08—Polymers of acrylic acid esters, e.g. PMA, i.e. polymethylacrylate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
    • B29K2033/04—Polymers of esters
    • B29K2033/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0002—Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2707/00—Use of elements other than metals for preformed parts, e.g. for inserts
    • B29K2707/02—Boron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0092—Other properties hydrophilic
DE8989312224T 1988-11-25 1989-11-24 Verfahren zur herstellung von hydrogel formteilen, einschliesslich kontaktlinsen. Expired - Lifetime DE68904881T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/276,007 US4889664A (en) 1988-11-25 1988-11-25 Method of forming shaped hydrogel articles including contact lenses

Publications (2)

Publication Number Publication Date
DE68904881D1 DE68904881D1 (de) 1993-03-25
DE68904881T2 true DE68904881T2 (de) 1993-07-22

Family

ID=23054749

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989312224T Expired - Lifetime DE68904881T2 (de) 1988-11-25 1989-11-24 Verfahren zur herstellung von hydrogel formteilen, einschliesslich kontaktlinsen.

Country Status (26)

Country Link
US (1) US4889664A (de)
EP (1) EP0370827B1 (de)
JP (1) JP3001594B2 (de)
KR (1) KR0152653B1 (de)
CN (1) CN1021447C (de)
AT (1) ATE85628T1 (de)
AU (1) AU622952B2 (de)
BR (1) BR8905959A (de)
CA (1) CA2003806C (de)
DE (1) DE68904881T2 (de)
DK (1) DK592289A (de)
ES (1) ES2037965T3 (de)
FI (1) FI895630A0 (de)
GR (1) GR1000757B (de)
HK (1) HK75193A (de)
HU (1) HU212118B (de)
IE (1) IE64153B1 (de)
IL (1) IL92443A (de)
NO (1) NO175901C (de)
NZ (1) NZ231526A (de)
PH (1) PH26397A (de)
PT (1) PT92406B (de)
RU (1) RU2060525C1 (de)
SG (1) SG58693G (de)
YU (1) YU46771B (de)
ZA (1) ZA898998B (de)

Families Citing this family (266)

* Cited by examiner, † Cited by third party
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