EP0182881A1 - Topische zusammensetzungen - Google Patents

Topische zusammensetzungen

Info

Publication number
EP0182881A1
EP0182881A1 EP19850902925 EP85902925A EP0182881A1 EP 0182881 A1 EP0182881 A1 EP 0182881A1 EP 19850902925 EP19850902925 EP 19850902925 EP 85902925 A EP85902925 A EP 85902925A EP 0182881 A1 EP0182881 A1 EP 0182881A1
Authority
EP
European Patent Office
Prior art keywords
composition
urea
skin
amount
absorbing agent
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Withdrawn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
EP19850902925
Other languages
English (en)
French (fr)
Inventor
Murray Weiner
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
Application filed by Individual filed Critical Individual
Publication of EP0182881A1 publication Critical patent/EP0182881A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/42Amides
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/16Amides, e.g. hydroxamic acids
    • A61K31/17Amides, e.g. hydroxamic acids having the group >N—C(O)—N< or >N—C(S)—N<, e.g. urea, thiourea, carmustine
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/35Ketones, e.g. benzophenone
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/44Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
    • A61K8/445Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof aromatic, i.e. the carboxylic acid directly linked to the aromatic ring
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00Barrier 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
    • A61Q17/04Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations

Definitions

  • This invention relates to topical compositions for the prevention and/or reduction of skin damage caused by ultraviolet radiation.
  • this invention relates to the prevention and/or reduction of skin damage caused by reactive chemical substances generated in the skin by ultraviolet radiation.
  • the present invention provides a topical urea compo ⁇ sition, for prevention of skin damage due to ultraviolet radiation.
  • urea Since urea has no ultraviolet light absorbing pro ⁇ perties in the skin damaging light wave lengths of 290 to 400 mm, it is not a sunscreen agent. Its skin protective properties are as a neutralizer of damaging active chemical entities. Urea moderates the effects of nitrate reduction products, thus preventing skin damage following ultraviolet radiation.
  • concentration of urea which may be used in the topical compositions is from about 0.1% to about 40%, preferably from about 1% to about 20% based on the weight of the composition.
  • urea may be combined with known UV absorbing sun screen agents such as Padimato 0 (2-ethylhexyl-p-dimethyl amino- benzoate), Oxybenzone (2-hydroxy-4-methoxy benzophenone) and paraaminobenzoic acid (PABA) in topical compositions.
  • UV absorbing agents such as Padimato 0 (2-ethylhexyl-p-dimethyl amino- benzoate), Oxybenzone (2-hydroxy-4-methoxy benzophenone) and paraaminobenzoic acid (PABA)
  • This combination of UV absorbing agents and urea free radical neutralizer provides a superior skin protecting agent to that of the prior art.
  • the UV absorbing agent may be present in the topical composition from about 1% to about 10% by weight of the composition.
  • compositions of this invention are preferably applied to the skin in the form of conven- tional alcoholic lotions, liquid emulsions, creams, transparent gels, or aerosol sprays.
  • topical cream compositions A, B, C, D and E
  • topical cream compositions A, B, C, D and E
  • Carbopol 934 0. 1 0. 1 0. 1 0. 1 0. 1 0. 1 0. 1 0. 1 0. 1 (Polyacrylic acid)
  • compositions A, C and E provided a significant degree of protection against acute sunburn damage in hairless mouse skin as compared with placebo compositions.
  • SK-1 hairless mice observations were made of erythema responses under blinded conditions. There were striking differences in H and E stained tissue sections taken from the reaction sites.
  • the skin damage in placebo treated sites was two to three times greater than the urea composition treated sites, based upon thickness of the epidermis, the number of sunburn cells noted, and the dermal inflammatory changes.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Birds (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Dermatology (AREA)
  • Emergency Medicine (AREA)
  • Cosmetics (AREA)
EP19850902925 1984-06-11 1985-06-10 Topische zusammensetzungen Withdrawn EP0182881A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61900784A 1984-06-11 1984-06-11
US619007 1984-06-11

Publications (1)

Publication Number Publication Date
EP0182881A1 true EP0182881A1 (de) 1986-06-04

Family

ID=24480056

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19850902925 Withdrawn EP0182881A1 (de) 1984-06-11 1985-06-10 Topische zusammensetzungen

Country Status (3)

Country Link
EP (1) EP0182881A1 (de)
AU (1) AU4430685A (de)
WO (1) WO1986000014A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5066726A (en) * 1990-04-23 1991-11-19 Shell Oil Company Process for melt grafting epoxy compounds to polymers
US5463291A (en) * 1993-12-23 1995-10-31 Carroll; Lewis Cyclotron and associated magnet coil and coil fabricating process
DE782855T1 (de) * 1994-10-05 1998-05-28 Helsinn Healthcare Sa Antiinflammatorische wirkstoffe zur aüsserlichen anwendung
JP3542665B2 (ja) * 1995-07-07 2004-07-14 株式会社資生堂 抗老化皮膚外用剤、コラーゲン架橋阻害皮膚外用剤及び抗紫外線皮膚外用剤
EP2153815A1 (de) * 2008-08-05 2010-02-17 Isdin S.A. Verwendung von harnstoffhaltigen Zusammensetzungen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1767165B2 (de) * 1968-04-06 1976-08-26 L'oreal, Paris Aeusserlich anwendbare loesung mit einem gehalt an aldehyden, methylolverbindungen oder deren derivaten
BR7700869A (pt) * 1976-02-18 1977-10-18 Scherico Ltd Composicao protetora contra o sol e processo para protecao da pele humana
DE2703185A1 (de) * 1977-01-27 1978-08-10 Henkel Kgaa Kosmetische mittel mit einem gehalt an haut-feuchthaltemitteln

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8600014A1 *

Also Published As

Publication number Publication date
WO1986000014A1 (en) 1986-01-03
AU4430685A (en) 1986-01-10

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