Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Cosmetic – antiperspirant – dentifrice
Patent
1995-07-31
1997-08-19
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Cosmetic, antiperspirant, dentifrice
424 63, A61K 700
Patent
active
056585799
ABSTRACT:
The present invention is for powder compositions having high levels of talc and low levels of titanium dioxide wherein said compositions have improved skin coverage and uniformity. Said compositions comprise talc wherein said talc comprises a first talc having a particle size distribution wherein no more than about 45% of the particles are 10 microns or less; no more than about 70% of the particles are 15 microns or less and no more than about 75% of the particles are 20 microns or less and a second talc having a particle size distribution wherein no less than about 75% of the particles are 10 microns or less, no less than about 90% of the particles are 15 microns or less and no less than about 95% of the particles are 20 microns or less. The ratio of said first talc to said second talc is from about 1:1 to about 6:1. The invention can be used in formulating numerous cosmetic powder compositions such as eye shadow, foundation, loose powder and the like.
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patent: 5023075 (1991-06-01), Macchio et al.
patent: 5073364 (1991-12-01), Giezendanner et al.
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patent: 5518728 (1996-05-01), Burdzy
LaFleur Patricia Alison
Leppla Jeffrey Keith
Vadaketh Leena
Howard Sharon
Howell John M.
Page Thurman K.
Rasser Jacobus C.
Suter David L.
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