Patent · US Active

Method of making an anhydrous liquid antiperspirant composition

US8663610B2 · kind B2 · utility

2Cited by

16References

16Claims

0Family size

Assignee

Colgate-Palmolive Company · US

Inventors

Iraklis Pappas · Pennsauken, US
Michael Fitzgerald · Durham, US
Long Pan · Somerville, US

Key dates

Filing date	Dec 16, 2010
Grant date	Mar 4, 2014
Priority date	—
Expiry date	Dec 16, 2030

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/58
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A method of producing an anhydrous antiperspirant composition comprising (a) providing a mixture of at least one antiperspirant active including a metal salt, and an anhydrous carrier for the at least one antiperspirant active in which the at least one antiperspirant active is dissolved, the carrier comprising a eutectic mixture of at least one basic compound selected from a basic amide and a basic amine and at least one member chosen from a cation and zwitterion; and (b) heating the mixture to form a stabilized eutectic system of the at least one antiperspirant active and the anhydrous carrier. Also, an anhydrous antiperspirant composition.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.