Patent · US Active

Water-based pigment preparation

US7938900B2 · kind B2 · utility

12Cited by

10References

12Claims

0Family size

Assignee

Clariant Finance (BVI) Limited · VG

Inventors

Bjoern Fechner · Eppstein, DE
Uwe Bechtold · Frankfurt am Main, DE
Andrea Boehmer · Hattersheim, DE

Key dates

Filing date	Feb 28, 2007
Grant date	May 10, 2011
Priority date	—
Expiry date	Feb 28, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L71/02
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to an aqueous pigment preparation comprising (A) at least one organic and/or inorganic pigment, (B) dispersants and/or surfactants, (C) a trihydric or higher polyhydric alkoxylated alcohol, (D) a polyglycol alkyl ether, (E) if desired, hydrotropic oligomers and/or polymers, (F) if desired, fats, oils or fatty acids, (G) if desired, further additives typical in the preparation of aqueous pigment dispersions, and (H) water.

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