Patent · US Active

Easily dispersible solid pigment preparations

US8796366B2 · kind B2 · utility

1Cited by

5References

15Claims

0Family size

Assignee

Clariant Finance (BVI) Limited · VG

Inventors

Dietmar Beck · Frankfurt am Main, DE
Uwe Bechtold · Frankfurt am Main, DE
Bjoern Fechner · Eppstein, DE
Jesus Pitarch-Lopez · Frankfurt am Main, DE

Key dates

Filing date	Jan 7, 2010
Grant date	Aug 5, 2014
Priority date	—
Expiry date	Aug 1, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG03G9/091
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to solid pigment preparations containing (A) 5 to 99 percent by weight of at least one pigment; (B) 1 to 95 percent by weight of at least one water-soluble dispersing additive based on copolymers that consist of the following structural units: (i) 1.0 to 50 mol percent of structural unit B1; a combined total of 50 to 99.0 mole percent of structural units (B2) and (B3); (iii) 0 to 49 mole percent of structural unit (B4).

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