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GB2270260B - Lactide copolymers for topical treatment of the skin - Google Patents

Lactide copolymers for topical treatment of the skin

Info

Publication number
GB2270260B
GB2270260B GB9221071A GB9221071A GB2270260B GB 2270260 B GB2270260 B GB 2270260B GB 9221071 A GB9221071 A GB 9221071A GB 9221071 A GB9221071 A GB 9221071A GB 2270260 B GB2270260 B GB 2270260B
Authority
GB
United Kingdom
Prior art keywords
skin
topical treatment
lactide copolymers
lactide
copolymers
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 - Fee Related
Application number
GB9221071A
Other versions
GB2270260A (en
GB9221071D0 (en
Inventor
Christian Jurgens
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US07/906,319 external-priority patent/US5466444A/en
Priority claimed from DE4229924A external-priority patent/DE4229924C2/en
Application filed by Individual filed Critical Individual
Publication of GB9221071D0 publication Critical patent/GB9221071D0/en
Publication of GB2270260A publication Critical patent/GB2270260A/en
Application granted granted Critical
Publication of GB2270260B publication Critical patent/GB2270260B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/24—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients to enhance the sticking of the active ingredients
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/85—Polyesters
    • 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
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/04—Macromolecular materials
    • A61L31/06—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/02—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings containing insect repellants
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • C08G63/08—Lactones or lactides

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Plant Pathology (AREA)
  • Pest Control & Pesticides (AREA)
  • Dermatology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Dentistry (AREA)
  • Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Wood Science & Technology (AREA)
  • Vascular Medicine (AREA)
  • Agronomy & Crop Science (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Birds (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Materials For Medical Uses (AREA)
GB9221071A 1992-06-29 1992-10-07 Lactide copolymers for topical treatment of the skin Expired - Fee Related GB2270260B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/906,319 US5466444A (en) 1991-04-17 1992-06-29 Resorbable, biocompatible copolymers and their use
DE4229924A DE4229924C2 (en) 1991-04-17 1992-09-08 Use of absorbable lactide copolymers

Publications (3)

Publication Number Publication Date
GB9221071D0 GB9221071D0 (en) 1992-11-18
GB2270260A GB2270260A (en) 1994-03-09
GB2270260B true GB2270260B (en) 1996-02-28

Family

ID=25918302

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9221071A Expired - Fee Related GB2270260B (en) 1992-06-29 1992-10-07 Lactide copolymers for topical treatment of the skin

Country Status (2)

Country Link
CA (1) CA2080549C (en)
GB (1) GB2270260B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045418A (en) * 1975-01-28 1977-08-30 Gulf Oil Corporation Copolymers of D,L-lactide and epsilon caprolactone
US4148871A (en) * 1977-10-11 1979-04-10 Pitt Colin G Sustained subdermal delivery ofdrugs using poly(ε-caprolactone) and its copolymers
WO1992004393A1 (en) * 1990-09-10 1992-03-19 Rijksuniversiteit Te Groningen METHOD FOR THE PRODUCTION OF COPOLYMERS OF LACTIDE AND ε-CAPROLACTONE AND ARTICLES THEREOF FOR MEDICAL APPLICATIONS
EP0509203A2 (en) * 1991-04-17 1992-10-21 Jürgens, Christian, Dr. med. Resorbable, physiologically acceptable copolymers and their use

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045418A (en) * 1975-01-28 1977-08-30 Gulf Oil Corporation Copolymers of D,L-lactide and epsilon caprolactone
US4148871A (en) * 1977-10-11 1979-04-10 Pitt Colin G Sustained subdermal delivery ofdrugs using poly(ε-caprolactone) and its copolymers
WO1992004393A1 (en) * 1990-09-10 1992-03-19 Rijksuniversiteit Te Groningen METHOD FOR THE PRODUCTION OF COPOLYMERS OF LACTIDE AND ε-CAPROLACTONE AND ARTICLES THEREOF FOR MEDICAL APPLICATIONS
EP0509203A2 (en) * 1991-04-17 1992-10-21 Jürgens, Christian, Dr. med. Resorbable, physiologically acceptable copolymers and their use

Also Published As

Publication number Publication date
CA2080549A1 (en) 1994-03-08
GB2270260A (en) 1994-03-09
CA2080549C (en) 1997-03-04
GB9221071D0 (en) 1992-11-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20041007