Patent · US Active

Pigmented tinting concentrates comprising a diels alder humectant

US7686877B2 · kind B2 · utility

1Cited by

3References

6Claims

0Family size

Assignee

Ciba Corp. · US

Inventors

Lothar Alexander Engelbrecht · Berlin, DE
Roedolph Van Bohemen · Hoogeveen, NL
Frank Oliver Heinrich Pirrung · Ludwigshafen am Rhein, DE

Key dates

Filing date	May 8, 2006
Grant date	Mar 30, 2010
Priority date	—
Expiry date	Dec 30, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D11/38
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to pigmented tinting concentrates comprising a) stabilized pigments; b) humectant compounds obtainable by effecting a Diels Alder reaction at a temperature of 150-260° C. between a polyunsaturated compound and a co-reactant having the formula R1XOC—CH═CH—COXR2 or CH2═CH—COXR3 or CH2═CH(CH3)—COXR3 wherein X is oxygen or —NH— and wherein at least one of R1 and R2 is a polyether moiety and any other of R1 and R2 is a polyether moiety or hydrogen and R3 is a polyether moiety.

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