Antiperspirant formulations

Details Antiperspirant formulations Antiperspirant formulations

A - Human Necessities

61

K

167/311

A61K 31/19 (2006.01) A61K 9/10 (2006.01)

Patent

CA 2038789

ABSTRACT Anhydrous and water-in-oil antiperspirant formulations are disclosed comprising effective suspending amounts of a compound of the formula: Image wherein R1 and R2 are independently selected from the group consisting essentially of H or C1 - C40 linear or branched, substituted or unsubstituted alkyl, cycloalkyl, alkylene, alkaryl, aryl or R3-O-R4 groups, with R3 and R4 being independently selected from the group consisting essentially of C1 - C22 linear or branched, substituted or unsubstituted alkyl, cycloalkyl, alkylene, alkaryl and aryl groups; y is an integer of a value satisfying the valency of M; and M is a cation, preferably selected from the groups comprising H+, Na+, K+, Ba++, Ca++, Mg++, A1+++, Ti+++, Zn++, NH4+, R5R6R7N+H wherein R5, R6 and R7 are the same or different and are selected from the groups comprised of H, Cl - C20 linear or branched, substituted or unsubstituted alkyl, alkylene, aryl straight or branched chain alkyl or alkylene C1 - C40 groups or R8-O-Rg groups with R8 and Rg being independently selected from the groups comprised of C1 - C22 linear or branched, substituted or unsubstituted alkyl, cycloalkyl, alkylene, alkaryl and aryl groups, and mixtures thereof. Methods are also disclosed for preparing anhydrous and water-in-oil antiperspirant formulations.

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