Hair treatment product and hair after-treatment product containing ether guanidines as active substances, for protecting from damage caused by chemical treatment and for repairing already damaged hair

US8642659B2 · kind B2 · utility

Assignee

• EVONIK GOLDSCHMIDT GMBH · DE

Inventors

• Oliver Springer · Wesel, DE
• Peter Muss · Essen, DE
• Burghard Gruening · Essen, DE
• Ursula Maczkiewitz · Essen, DE
• Mike Farwick · Essen, DE
• Peter Lersch · Oberhausen, DE

Key dates

• Filing date: May 28, 2009
• Grant date: Feb 4, 2014
• Expiry date: Apr 7, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C279/08
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to ether guanidines of the general formulae (I)and/or salts or hydrates thereof, in which R1=—CH2—CH2—CH2—O—R3 where R3 is, independently of the others, hydrocarbon radicals having greater than or equal to 10 carbon atoms, where part of the ether guanidines has radicals R3 which are branched and part of the ether guanidines has radicals R3 which are unbranched, and R2=independently of the others H or an optionally branched, optionally double-bond-containing hydrocarbon radical having 1 to 30 carbon atoms, and use thereof in hair treatment compositions and hair aftertreatment compositions, in particular for preventing damage by chemical treatment compositions and for repairing hair which is already damaged.