Antiperspirant gel-solid stick compositions substantially free of select polar solvents

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United States of America Patent

PATENT NO 5744130
SERIAL NO

08770307

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Abstract

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Disclosed are anhydrous antiperspirant gel-solid sticks which comprise particulate antiperspirant active; a solid non-polymeric gellant that is substantially free of dibenzylidene alditol, inorganic thickening agents, organic polymeric gellants, amides and esters of N-acyl amino acid, or combinations thereof; an anhydrous liquid carrier that is substantially free of polar, water-immiscible, organic solvents, wherein the composition has a visible residue index of from about 11 to about 30 L-value, a product hardness of from about 500 to about 5,000 gram force, a rheology profile defined by a ratio of an elastic modulus (G') to a viscous modulus (G') of from about 0.1 to about 100. The refractive indices of the particulate antiperspirant active, the solid non-polymeric gellant, and the anhydrous liquid carrier are not matched. The compositions preferably comprise crystalline gellant particles having an average particle size of less than about 1 .mu.m and/or a particle morphology having an aspect ratio of greater than about 2. These compositions provide improved low residue performance, efficacy and aesthetics.

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Patent Owner(s)

Patent OwnerAddress
PROCTER & GAMBLE COMPANY THEONE PROCTER & GAMBLE PLAZA CINCINNATI OH 45202 UNITED STATES OF AMERICA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guskey, Gerald John Montgomery, OH 33 724
Orr, Thomas Vincent Cincinnati, OH 6 126

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