Patent · US Active

Photoinitiator mixtures

US9624171B2 · kind B2 · utility

1Cited by

3References

18Claims

0Family size

Assignee

BASF SE

Inventors

Akira Matsumoto · Yokohama, JP
Hisatoshi Kura · Takarazuka, JP
Katia Studer · Rixheim, FR
Sebastien Villeneuve · Huningue, FR

Key dates

Filing date	May 27, 2009
Grant date	Apr 18, 2017
Priority date	—
Expiry date	May 26, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG03F7/105
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Photoinitiator mixture comprising at least one alpha-amino ketone compound; and at least one compound of the Formula (I) or (I′) wherein R1 and R′1 for example are hydrogen, C3-C8cycloalkyl or C1-C12alkyl R2 and R2′ for example are hydrogen; unsubstituted C1-C20alkyl or substituted C1-C20alkyl; and R8 and R9 for example are hydrogen, C1-C12alkyl which optionally is substituted, or phenyl which optionally is substituted; exhibit an unexpectedly good performance in photopolymerization reactions.

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