Bleaching agent comprising 2-acylpyridinium derivatives

Details Bleaching agent comprising 2-acylpyridinium derivatives Bleaching agent comprising 2-acylpyridinium derivatives

2011-03-08

2011-10-11

Elhilo, Eisa B (Department: 1761)

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

C008S107000, C008S109000, C008S111000

Reexamination Certificate

active

08034122

ABSTRACT:
Agent for lightening keratin fibers containing in a cosmetic carrier (1) at least one cationic 2-acylpyridinium derivative of formula (I),wherein R is a C1-C6alkyl group, a C2-C6alkenyl group, a C2-C6hydroxyalkyl group, a C1-C6alkoxy C2-C6alkyl group, a carboxy C1-C6alkyl group, an aryl C1-C6alkyl group, a heteroaryl C1-C6alkyl group, a mono- or di-(C1-C6alkyl)amino C2-C6alkyl group, a 3-oxobutyl group, a 2-oxopropyl group, an aryl group or a heteroaryl group, R′ is a C4-C4alkyl group, a C2-C6hydroxyalkyl group or a C1-C6alkoxy C2-C6alkyl group, and X−is a physiologically acceptable anion, (2) at least one alkyl ether sulfate, and (3) an oxidizing agent, especially hydrogen peroxide.

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STIC Search Report dated May 3, 2011.
Schrader, Karlheinz. Grundlagen und Rezepturen der Kosmetika (Fundamentals and Formulations of Cosmetics), 2, Hüthig Buch Verlag GmbH, Heidelberg 1989.
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