Patent · US Active

Oligofunctional photoinitiators

US8604251B2 · kind B2 · utility

2Cited by

1References

16Claims

0Family size

Assignee

BASF SE

Inventors

Ulrich Berens · Binzen, DE
Jean-Luc Birbaum · Fribourg, CH
Katia Studer · Rixheim, FR

Key dates

Filing date	Mar 19, 2010
Grant date	Dec 10, 2013
Priority date	—
Expiry date	Sep 14, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D11/101
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention pertains to novel oligofunctional photoinitiators of the formula (1) or (1A). R1 and R2 are methyl or together are —(CH2)5—; and n is 2 or 3, and the solvent in (1A) is water or an organic solvent; and their use in photopolymerizable compositions, in particular inks.

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