Patent · US Expired

Composition for permanent waving of human hair

US5904919A · kind A · utility

4Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 21, 1997
Grant dateMay 18, 1999
Priority date
Expiry dateJul 21, 2017

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K8/898
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A permanent waving composition showing excellent waving properties and, at the same time, a hair conditioning effect contains PA1 a) at least one reducing organic thio compound and (or) an inorganic sulfite; and PA1 b) at least one organopolysiloxane, whereby at least one silicium atom is linked to an alkylene group containing a hetero atom, particularly a nitrogen atom, together with a poly-(N-acyl alkylene imine) with units of the formula ##STR1## wherein n is a number from 1 to 5 and R is hydrogen, a C.sub.1 -C.sub.12 -alkyl, cycloalkyl, aralkyl or aryl group.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.