Patent · US Expired

Process for inhibiting scale formation

US4923617A · kind A · utility

7Cited by
23References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 14, 1988
Grant dateMay 8, 1990
Priority date
Expiry dateDec 14, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S166/902
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A process for inhibiting the formation of scale in process equipment and conduits that form because of the presence of scale forming salts present in process fluids flowing therein is provided. In this process a scale inhibiting effective amount of an inhibiting agent selected from the group consisting of polymeric sulfates, polymeric sulfonates and mixtures thereof is added to the process fluid.

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