Patent · US Expired

Boiler water treating compositions

US4545920A · kind A · utility

12Cited by
11References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 3, 1984
Grant dateOct 8, 1985
Priority date
Expiry dateFeb 3, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F5/12
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A blend of polymers is disclosed which, when used as described, prevents and removes scale on heat transfer surfaces in contact with boiler waters.

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