Patent · US Expired

Block co-polymers useful as aqueous dispersants

US4959156A · kind A · utility

8Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 10, 1989
Grant dateSep 25, 1990
Priority date
Expiry dateApr 10, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F216/1433
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for preparing water-scale inhibitors and, more specifically, a neat process for preparing acrylic acid/ethylene glycol graft co-polymers and a method for their use as scale inhibitors.

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