Patent · US Expired

Oligomer containing phosphinate compositions and their method of manufacture

US5085794A · kind A · utility

33Cited by
2References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 25, 1990
Grant dateFeb 4, 1992
Priority date
Expiry dateApr 25, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F5/14
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A phosphinate containing composition which has as its major ingredient more than 32 mole percent of a phosphinicosuccinic acid oligomer having the probable structural formula: ##STR1## M is H, Na, K, NH.sub.4, or mixtures thereof; and m and n are either 0 or a small whole number with the proviso that either m or n is a small whole number and the sum of m plus n is greater than 2.

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