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EP0763063A4 - Lysozyme-degradable biomaterials - Google Patents

Lysozyme-degradable biomaterials

Info

Publication number
EP0763063A4
EP0763063A4 EP95921610A EP95921610A EP0763063A4 EP 0763063 A4 EP0763063 A4 EP 0763063A4 EP 95921610 A EP95921610 A EP 95921610A EP 95921610 A EP95921610 A EP 95921610A EP 0763063 A4 EP0763063 A4 EP 0763063A4
Authority
EP
European Patent Office
Prior art keywords
lysozyme
degradable biomaterials
biomaterials
degradable
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.)
Withdrawn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.)
Filing date
Publication date
Application filed by Vitaphore Corp filed Critical Vitaphore Corp
Publication of EP0763063A1 publication Critical patent/EP0763063A1/en
Publication of EP0763063A4 publication Critical patent/EP0763063A4/en
Withdrawn legal-status Critical Current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

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Veterinary Medicine (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Ophthalmology & Optometry (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Medicinal Preparation (AREA)
  • Materials For Medical Uses (AREA)
EP95921610A 1994-06-02 1995-06-02 Lysozyme-degradable biomaterials Withdrawn EP0763063A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US252721 1981-04-10
US25272194A 1994-06-02 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

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

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 19961211

AK Designated contracting states

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Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

A4 Supplementary search report drawn up and despatched

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AK Designated contracting states

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Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

17Q First examination report despatched

Effective date: 20010611

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

18D Application deemed to be withdrawn

Effective date: 20011023