Stick compositions

Details Stick compositions Stick compositions

2004-05-10

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

07347990

ABSTRACT:
Many cosmetic stick compositions containing a continuous phase of a water-immiscible cosmetic oil structured by a fibre-forming amido structurant and an active cosmetic ingredient either exhibit poor physical stability when formed, or cannot be made readily using conventional processes for making stick compositions. The problem can be ameliorated or overcome by the use of a combination of amido structurants comprising in class (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, (class (ii), including a polyamido-substituted cyclohexane, an amido derivative of di or tricarboxylic acids or an hydroxystearamide and particularly employing an N-acylaminoacid amide in which the N-acyl substituent contains a linear alkyl group, or a cyclodipeptide.

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patent: 2003/005977 (2003-01-01), None
Co-pending application: Applicant: Emslie et al. U.S. Appl. No. 10/842,136, filed May 10, 2004.
Co-pending application: Applicant: Franklin 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.

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