Patent · US Expired

Use of fumaric acid polymers as antiscalants

US4533709A · kind A · utility

1Cited by
7References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 28, 1984
Grant dateAug 6, 1985
Priority date
Expiry dateSep 28, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F5/10
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

Fumaric acid polymers may be used to control or inhibit scaling in boilers, desalination plants, steam generators, cooling equipment and the like. A novel process for their synthesis employs a mono or dialkyl ester of fumaric acid as a starting material.

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