Cosmetic preparations

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Cosmetic – antiperspirant – dentifrice

Reexamination Certificate

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C424S400000, C424S070100, C424S078020

Reexamination Certificate

active

06878379

ABSTRACT:
A pearlescent composition containing: (a) a dialkyl ether corresponding to formula (I):in-line-formulae description="In-line Formulae" end="lead"?R1—O—R2  (I)in-line-formulae description="In-line Formulae" end="tail"?wherein R1and R2independently of one another represent linear or branched alkyl and/or alkenyl groups having from 12 to 22 carbon atoms; (b) a cationic polymer; and (c) an emulsifier selected from the group consisting of a fatty acid-N-alkyl polyhydroxyalkyl amide, an alkyl ether sulfate, a betaine, and mixtures thereof.

REFERENCES:
patent: 6309628 (2001-10-01), Ansmann et al.
patent: 6365168 (2002-04-01), Ansmann et al.

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