Hair care compositions

US6544500B1 · kind B1 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Edel O'Toole · Dublin, IE
• Stephen Robert Schofield · Bracknell, GB

Key dates

• Filing date: Feb 13, 2002
• Grant date: Apr 8, 2003
• Expiry date: Feb 13, 2022

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61Q5/12
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

According to the present invention there is provided a hair care composition comprising: (a) at least one compound according to general formula (I): wherein each X is independently selected from substituted or unsubstituted, saturated or unsaturated carbon; n is 0-10; R1 is selected from hydrogen, alkyl, arylalkyl or alkaryl; R2 is selected from: (i) hydrogen; (ii) alkyl, preferably C1-C8 alkyl, more preferably C1-C4 alkyl; (iii) aryl, alkaryl, arylalkyl; (iv) hydroxyalkyl, hydroxyaryl, hydroxyalkaryl, hydroxyarylalkyl; (v) —Zm—N(R5)2; (vi) —Zm—Y—C(N(R5)2)═NR5; (vii) —Zm—S—Q; (viii) —Zp—S—S—Zp—CR5(N(R5)2—COOR6; (ix) —Zm—COOR5; each m is, independently 0-8, preferably 1-4; each p is, independently, 0-2, preferably 0; each Z is, independently, selected from substituted or unsubstituted, saturated or unsaturated carbon; Y is selected from a covalent bond and NR5; Q is selected from hydrogen or alkyl; R3 is selected from alkyl, aryl, alkaryl, arylalkyl, —CF3; each R4 is, independently, selected from hydrogen and alkyl (which can be aliphatic or can be bonded to the R2 position to …