Non-pilling UV-photoprotecting sunscreen compositions

Details Non-pilling UV-photoprotecting sunscreen compositions Non-pilling UV-photoprotecting sunscreen compositions

2006-04-04

2006-04-04

Dodson, Shelley A. (Department: 1616)

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

C424S060000, C424S400000, C424S401000

Reexamination Certificate

active

07022316

ABSTRACT:
Topically applicable, non-pilling UV-photoprotecting cosmetic/dermatological sunscreen compositions, advantageously alcoholic sunscreen gels, well suited for UV-photoprotecting human skin and/or hair against the damaging and deleterious effects of ultraviolet irradiation, contain an effective amount of at least one UV-A and/or UV-B screening agent and an effective non-pilling amount of an acrylates/C12-22alkylmethacrylate copolymer, preferably a tetrapolymer of methacrylic acid, methyl methacrylate, butyl acrylate and cetyl-eicosinyl methacrylate, formulated into a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor.

REFERENCES:
patent: 5618522 (1997-04-01), Kaleta et al.
patent: 2003/0021847 (2003-01-01), Baxter et al.
patent: WO 03/082237 (2003-10-01), None
Boswell, “Skin, Sun and Hair Care Offer Fertile Ground for Innovation”,Chemical Market Reporter, Dec. 3, 2001, 2 pages.
Machine Translation of Göppel et al., “Water Proof Cosmetic and Dermatological Sun Protecting Formulations Containing Acetylated Stearic Acid Esters”, WO 03/082237, Published Oct. 9, 2003.
Poster Presentation by ISP About Allianz OPT, Presented in Dec. 2001 at the Society of Cosmetic Chemists Meeting in New York, 2 pages.

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