Liquid stick antiperspirant

Details Liquid stick antiperspirant Liquid stick antiperspirant

2007-09-18

2007-09-18

Dodson, Shelley A. (Department: 1616)

Drug, bio-affecting and body treating compositions

Anti-perspirants or perspiration deodorants

C424S066000, C424S068000, C424S400000, C424S401000

Reexamination Certificate

active

10710646

ABSTRACT:
One embodiment of the invention described herein includes a method for improving stability of an antiperspirant. The method includes preparing a blend that comprises propylene glycol and dibenzylidene sorbitol; adding an antiperspirant active solid powder to the blend, to make an antiperspirant blend, in a concentration effective for making an antiperspirant that provides antiperspirant protection to a user and improves process stability of the antiperspirant; and adding an amino acid salt to the antiperspirant blend in a concentration effective for stabilizing the dibenzylidene sorbitol.

REFERENCES:
patent: 5643558 (1997-07-01), Provancal et al.
patent: 5871720 (1999-02-01), Gutierrez et al.
patent: 6180125 (2001-01-01), Ortiz et al.
patent: 6338841 (2002-01-01), Mattai et al.
patent: 2002/0048557 (2002-04-01), Cai et al.
patent: 2006/0073108 (2006-04-01), Esposito et al.
patent: WO-2006014962 (2006-02-01), None
“International Search Report and Written Opinion for Application No. PCT/US05/26502, date mailed Jul. 27, 2005”, 8 Pages.

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