Patent · US Expired

Copolymers, use thereof as hair fixatives and hair fixatives containing same

US4748989A · kind A · utility

6Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 31, 1987
Grant dateJun 7, 1988
Priority date
Expiry dateJul 31, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F220/54
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Copolymers of vinylpyrrolidone, acrylamides which are monoalkylated or dialkylated on the N atom and alkyl or hydroxyalkyl esters of (meth)acrylic acid, with or without (meth)acrylic acid, or (meth)acrylic acid are used as and in hair fixatives.

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