EP1025836A1 — Cosmetic light screening composition
Assigned to F Hoffmann La Roche AG · Expires 2000-08-09 · 26y expired
What this patent protects
The invention relates to cosmetic light screening compositions containing in a cosmetically acceptable carrier a) a compound of the general formula I wherein R 1 represents a C 1-8 straight or branched alkyl chain, and R 2 and R 3 each independently represent …
USPTO Abstract
The invention relates to cosmetic light screening compositions containing in a cosmetically acceptable carrier a) a compound of the general formula I wherein R 1 represents a C 1-8 straight or branched alkyl chain, and R 2 and R 3 each independently represent a C 1-8 straight or branched alkyl chain, and common UV-B screening agents and/or common UV-A screening agents.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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