Patent · US Expired

Bis-quaternary ammonium compounds and polymers

US3962332A · kind A · utility

25Cited by
2References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 11, 1974
Grant dateJun 8, 1976
Priority date
Expiry dateDec 11, 1994

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/107
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

This invention relates to di-olefinically unsaturated compounds which contain two quaternary ammonium moieties. Polymers and copolymers of these polyfunctional compounds are characterized by high charge density, and find application as flocculants, paper sizes, and electroconductive coatings.

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