Drug – bio-affecting and body treating compositions – Topical sun or radiation screening – or tanning preparations
Reexamination Certificate
2005-04-05
2005-04-05
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
06875425
ABSTRACT:
Cosmetic compositions and methods of skin lightening using compounds of formula I as skin lightening agents:Wherein X represents Carbon, Nitrogen, Sulfur or Oxygen;each A1and/or A2independently is =H or COR, CO2R, CONHR having the following formula A:where R=C1-C18saturated or unsaturated, linear or branched, hydrocarbon; andeach Y1and/or Y2independently is C1-C18saturated or unsaturated hydrocarbon or OZ, where Z=H or COR1, CO2R1, CONHR1of formula B:and where R1=C1-C18saturated or unsaturated, linear or branched, hydrocarbon.
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Barratt Michael James
Bosko Carol Annette
Harichian Bijan
Tallman Michael
Dodson Shelley A.
Plotkin Ellen
Unilever Home & Personal Care USA
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