Drug – bio-affecting and body treating compositions – Topical sun or radiation screening – or tanning preparations
Reexamination Certificate
2006-04-04
2006-04-04
Powers, Fiona T. (Department: 1626)
Drug, bio-affecting and body treating compositions
Topical sun or radiation screening, or tanning preparations
C514S221000, C514S230500, C514S249000, C540S503000, C544S105000, C544S350000
Reexamination Certificate
active
07022317
ABSTRACT:
The present invention relates to novel heterocyclic derivatives of 2-oxothiazolidine-4-carboxylic acid, to a process for synthesizing them and to compositions containing them.The invention also relates to the use of at least one heterocyclic derivative of 2-oxathiazolidine-4-carboxylic acid in a composition or for the manufacture of a composition, the said derivative or the said composition being intended to induce active photoprotection of the skin, advantageously to prepare the skin to receive sunlight and/or to protect the skin and other epidermal growths during or after exposure to UV.Another subject of the invention also relates to a cosmetic process for treating the skin by oral administration or topical administration to the skin of a cosmetic composition as defined above.
REFERENCES:
patent: 6004543 (1999-12-01), Galey
patent: 6337077 (2002-01-01), Chevalier et al.
patent: 0 465 191 (1992-01-01), None
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Erdelmeier Irene
Lucet-Levannier Karine
"L'Oreal"
Lerner David Littenberg Krumholz & Mentlik LLP
Powers Fiona T.
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