EP0219455A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Pharmaceutical and cosmetic compositions containing N-acetylcysteine
Assignee: RORY Ltd
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Filing: 1986-09-10
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Granted: —
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Expires: 2006-09-10
Abstract
Abstract N-Acetyl-L-cysteine (NAC) of the Formula I is used for the preparation of dermatological, topical, pharmaceutical compositions in the form of oils, milks, lotions, ointments, creams, gels, sprays, etc. for the prevention and treatment of sunburn and for increasing the speed of skin pigmentation 'bronzing'. Since it is a physiologically derived substance which is completely atoxic and hypoallergic and which has already been successfully used in other therapeutic applications, when used as a tanning agent it has none of the known art.
Inventors
- 👤 Oreste Fabbro
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 13:54
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; A61K8/447; A61K31/00; A61K31/185; A61K31/19; A61K31/195; A61Q; A61Q17/00; A61Q17/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
32 words
Dermatological and skin cosmetic, topical, pharmaceutical compositions containing as the active constituent acetylcysteine of the formula: characterised in that the said active constituent is in a suitable vehicle for external dermatological use.
Claim 2
Dependent Claim
32 words
Dermatological and skin cosmetic, topical, pharmaceutical compositions containing as the active constituent acetylcysteine of the formula: characterised in that the said active constituent is in a suitable vehicle for external dermatological use.
Claim 3
Dependent Claim
38 words
Dermatological and skin-cosmetic, topical, pharmaceutical compositions according to Claim 1, characterised in that the acetylcysteine of the Formula I is present in topical preparations such as ointments, gels, milks, lotions, oils, sprays, etc. to the extent of 5-15%.
Claim 4
Dependent Claim
26 words
Use of the pharmaceutical compositions according to the preceding claims in dermatological preparations for the prevention of sunburn and for accelerating the process of skin pigmentation.
References Cited (Backward Citations)
No citation records indexed.
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