Patent · US Expired

Dispersant for calcium carbonate

US4175066A · kind A · utility

28Cited by
7References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 5, 1978
Grant dateNov 20, 1979
Priority date
Expiry dateApr 5, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31895
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Calcium carbonate is dispersed by a dispersant comprising a salt of an acrylic acid/maleic acid copolymer.

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