Stick compositions

Details Stick compositions Stick compositions

2008-03-25

2008-03-25

Dodson, Shelley A. (Department: 1616)

Drug, bio-affecting and body treating compositions

Anti-perspirants or perspiration deodorants

C424S400000, C424S401000

Reexamination Certificate

active

10842136

ABSTRACT:
Anhydrous cosmetic stick compositions containing a continuous phase of a water-immiscible cosmetic oil structured by a fibre-forming amido structurant and containing a suspended particulate antiperspirant or deodorant can suffer from either somewhat poor physical stability when formed, or preparative difficulties using conventional processes for making stick compositions or opaqueness. The problem can be ameliorated or overcome by the use of a combination of amido structurants comprising (i) an N-acylaminoacid amide in which the N-acyl substituent has the formula —CO—RXin which RXrepresents a branched C6to C11alkyl group in combination with a further amido structurant (ii), selected from (iia) N-acylaminoacid amides other than (i), (iib) cyclodipeptides and (iic) a 1,2-di amido-substituted cyclohexane.

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Co-pending: Applicant: Emslie et al., U.S. Appl. No. 10/842,094, filed May 10, 2004.
Co-pending: Applicant: Emslie et al., U.S. Appl. No. 10/842,137, filed May 10, 2004.
PCT International Search Report in a PCT application PCT/EP 2004/004507.
GB Search Report in a GB application GB 0310771.1.
PCT International Search Report in a PCT application PCT/EP 2004/004512.
PCT International Search Report in a PCT application PCT/EP 2004/004514.

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