Patent · US Expired

Polycationic polymers and their preparation

US4390689A · kind A · utility

49Cited by
6References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 17, 1980
Grant dateJun 28, 1983
Priority date
Expiry dateDec 17, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G73/0253
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Polycationic polymers have been prepared and have been found to be useful in cosmetic compositions for the treatment of the hair and skin, or in the treatment of natural and synthetic textile fibers. These polymer comprise units of the formula ##STR1## .

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