Patent · US Expired

Grinding or dispersing agents for pigments

US4450013A · kind A · utility

13Cited by

3References

4Claims

0Family size

Assignee

BASF SE

Inventors

Guenter Hirsch · Mutterstadt, DE
Gregor Ley · Wattenheim, DE

Key dates

Filing date	Jun 10, 1982
Grant date	May 22, 1984
Priority date	—
Expiry date	Jun 10, 2002

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K23/24
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The subject invention relates to compositions which are used as auxiliaries for pigment grinding and as dispersing agents for pigments. The compositions are essentially copolymers based upon acrylic acid, methacrylic acid, and sulfonic acid group containing monomers such as 2-acrylamido-2-methylpropanesulfonic acid.

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