EP0763063A4 - Lysozyme-degradable biomaterials - Google Patents

Lysozyme-degradable biomaterials

Info

Publication number: EP0763063A4
Authority: EP; European Patent Office
Prior art keywords: lysozyme; degradable biomaterials; biomaterials; degradable
Prior art date: 1994-06-02
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP95921610A

Other languages

German (de)

French (fr)

Other versions

EP0763063A1 (en

Inventor

Jeff J Prior

Ronald K Yamamoto

George L Brode

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.)

Vitaphore Corp

Original Assignee

Vitaphore Corp

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.)

1994-06-02

Filing date

1995-06-02

Publication date

1998-09-16

1995-06-02 Application filed by Vitaphore Corp filed Critical Vitaphore Corp

1997-03-19 Publication of EP0763063A1 publication Critical patent/EP0763063A1/en

1998-09-16 Publication of EP0763063A4 publication Critical patent/EP0763063A4/en

Status Withdrawn legal-status Critical Current

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
- C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0048—Eye, e.g. artificial tears
- A61K9/0051—Ocular inserts, ocular implants
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1652—Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin

EP95921610A 1994-06-02 1995-06-02 Lysozyme-degradable biomaterials Withdrawn EP0763063A4 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US25272194A	1994-06-02	1994-06-02
US252721		1994-06-02
PCT/US1995/007153 WO1995033773A1 (en)	1994-06-02	1995-06-02	Lysozyme-degradable biomaterials

Publications (2)

Publication Number	Publication Date
EP0763063A1 EP0763063A1 (en)	1997-03-19
EP0763063A4 true EP0763063A4 (en)	1998-09-16

Family

ID=22957249

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP95921610A Withdrawn EP0763063A4 (en)	1994-06-02	1995-06-02	Lysozyme-degradable biomaterials

Country Status (5)

Country	Link
EP (1)	EP0763063A4 (en)
JP (1)	JPH10504277A (en)
AU (1)	AU2662995A (en)
CA (1)	CA2191753A1 (en)
WO (1)	WO1995033773A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL1020716C2 (en) *	2002-05-30	2003-12-02	Tno	Antimicrobial packaging.
WO2004105485A2 (en) *	2003-05-30	2004-12-09	Nederlandse Organisatie Voor Toegepast-Natuurwet Enschappelijk Onderzoek Tno	Inducible release vehicles

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1987007618A1 (en) *	1986-06-06	1987-12-17	Union Carbide Corporation	Acid decrystallization of aminopolysaccharides and derivatives thereof
US4929722A (en) *	1986-06-06	1990-05-29	Union Carbide Chemicals And Plastics Company Inc.	Acid decrystallization of aminopolysaccharides and derivatives thereof
EP0426368A2 (en) *	1989-10-31	1991-05-08	Howmedica Inc.	Compositions containing derivatives of chitin for preventing adhesion

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3993071A (en) *	1971-09-09	1976-11-23	Alza Corporation	Bioerodible ocular device
US3993057A (en) *	1972-12-27	1976-11-23	Alza Corporation	Intrauterine device that bioerodes in response to the environment of the uterus and method of using
US5290752A (en) *	1984-03-16	1994-03-01	Unitika Ltd.	Method for preparation of a shaped chitin body containing a physiologically active substance
US5219749A (en) *	1991-10-09	1993-06-15	Institute For Molecular Biology & Biotechnology/Forth	Process for isolating and preparing purified chitin deacetylase
JP2998422B2 (en) *	1992-04-02	2000-01-11	株式会社デンソー	Heat exchanger

1995
- 1995-06-02 JP JP8501270A patent/JPH10504277A/en active Pending
- 1995-06-02 CA CA 2191753 patent/CA2191753A1/en not_active Abandoned
- 1995-06-02 WO PCT/US1995/007153 patent/WO1995033773A1/en not_active Application Discontinuation
- 1995-06-02 EP EP95921610A patent/EP0763063A4/en not_active Withdrawn
- 1995-06-02 AU AU26629/95A patent/AU2662995A/en not_active Abandoned

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1987007618A1 (en) *	1986-06-06	1987-12-17	Union Carbide Corporation	Acid decrystallization of aminopolysaccharides and derivatives thereof
US4929722A (en) *	1986-06-06	1990-05-29	Union Carbide Chemicals And Plastics Company Inc.	Acid decrystallization of aminopolysaccharides and derivatives thereof
EP0426368A2 (en) *	1989-10-31	1991-05-08	Howmedica Inc.	Compositions containing derivatives of chitin for preventing adhesion

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9533773A1 *

Also Published As

Publication number	Publication date
WO1995033773A1 (en)	1995-12-14
JPH10504277A (en)	1998-04-28
AU2662995A (en)	1996-01-04
EP0763063A1 (en)	1997-03-19
CA2191753A1 (en)	1995-12-14

Legal Events

Date	Code	Title	Description
1997-01-31	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1997-03-19	17P	Request for examination filed	Effective date: 19961211
1997-03-19	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
1998-09-16	A4	Supplementary search report drawn up and despatched	Effective date: 19980414
1998-09-16	AK	Designated contracting states	Kind code of ref document: A4 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
2001-07-25	17Q	First examination report despatched	Effective date: 20010611
2002-03-22	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2002-05-08	18D	Application deemed to be withdrawn	Effective date: 20011023

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