Patent · US Expired

Diketopyrrolopyrrole pigments

US7002021B2 · kind B2 · utility

3Cited by

12References

12Claims

0Family size

Assignee

Clariant Corporation · DE

Inventors

Felix Grimm · Königsee, DE
Hans Joachim Metz · Darmstadt, DE
Joachim Weber · Frankfurt am Main, DE
Andreas Wacker · Plochingen, DE

Key dates

Filing date	Jun 6, 2003
Grant date	Feb 21, 2006
Priority date	—
Expiry date	Jun 6, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B57/004
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Diketopyrrolopyrroles of the formula (I): wherein

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