Esters of aryl benzimidazole sulfonic acids and sunscreen...

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Biocides; animal or insect repellents or attractants

Reexamination Certificate

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C424S059000, C424S401000, 51, C548S304400, C548S304700, C548S305400

Reexamination Certificate

active

07118760

ABSTRACT:
The present invention provides novel aryl benzimidazole sulfonic acid esters and cosmetic compositions that employ the novel aryl benzimidazole sulfonic acid esters as sunscreens. The cosmetic compositions can be water, organic solvent or emulsion based. Also provided are methods of using the compositions to protect skin from exposure to the sun, and optionally, repel insects.

REFERENCES:
patent: 5718906 (1998-02-01), Martin et al.
patent: 6238657 (2001-05-01), Lin et al.
patent: 6262170 (2001-07-01), Kilgour et al.
patent: 6517816 (2003-02-01), Gonzalez et al.
International Search Report dated Mar. 20, 2006.

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