Patent · US Expired

Randomly terminated capped polymers

US4027020A · kind A · utility

245Cited by
9References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 4, 1975
Grant dateMay 31, 1977
Priority date
Expiry dateSep 4, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G83/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Anti-microbial polymeric quaternary ammonium compounds having linear chains which terminate in quaternary ammonium moieties, such compounds being formed by polymerization which is carried out in such a manner that the linear chains thereof are terminated in random fashion, the reaction resulting in the formation of the compounds being a one-step reaction between 1,4-dihalo-2-butene and a mixture of a difunctional tertiary amine and a monofunctional tertiary amine wherein the molar quantity of the difunctional amine is greater than the molar quantity of the monofunctional amine.

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