Patent · US Expired

Photoiniators having triarylsulfonium and arylsulfinate ions

US7026367B2 · kind B2 · utility

9Cited by
73References
28Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 26, 2003
Grant dateApr 11, 2006
Priority date
Expiry dateDec 17, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/029
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Compositions are provided that include a photoinitiator system for free radical polymerization reactions. More specifically, the photoinitiator includes an arylsulfinate ion and a triarylsulfonium ion. Polymerization methods are also provided those include the photoinitiator in a photopolymerizable composition. Additionally, triarylsulfonium arylsulfinate salts are disclosed.

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