Sulphonium salt initiators
US8652752B2 · kind B2 · utility
4Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2008 |
| Grant date | Feb 18, 2014 |
| Priority date | — |
| Expiry date | Sep 2, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D333/64
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the Formula (I), wherein L1, L′1, L″1, L2, L′2, L″2, L3, L′3, L″3, L4, L′4 and L″4 for example are hydrogen or COT; R, R′ and R″ for example are hydrogen, C6-C12aryl or C3-C20heteroaryl; X, X′ and X″ for example are O, S, single bond, NRa or NCORa, T is for example hydrogen, C1-C20alkyl, C3-C12cycloalkyl, C2-C20alkenyl, C5-C12cycloalkenyl, C7-C18cycloalkylenaryl, C5-C18cycloalkylenheteroaryl, C6-C14aryl, providedthat at least one of R, R′ or R″ is unsubstituted or substituted C3-C20heteroaryl; and Y is an inorganic or organic anion; are suitable as photolatent acid generators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.