Sulphonium salt initiators

Details Sulphonium salt initiators Sulphonium salt initiators

2007-04-04

2011-11-29

McClendon, Sanza (Department: 1765)

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfur containing

C568S018000, C568S019000, C568S074000, C568S057000, C549S001000, C549S029000, C549S062000, C549S064000, C522S031000

Reexamination Certificate

active

08067643

ABSTRACT:
Compounds of the formula (I), L, L′, L″, L1, L′1, L″1, L2, L′2, L″2, L3, L′3, L″3, L4, L′4, L″4, L5, L′5, L″5, L6, L′6, L″6, L7, L′7, L″7, L8, L′8and L″8independently of one another are hydrogen or an organic substituent; and/or one or more of the pairs L3and L5, L′3and L′5or L″3and L″5together denote a single bond, provided that the respective X, X′ or X″ is not a single bond; and/or L3and L5, L′3and L′5or L″3and L″5together denote an organic linking group; and/or one or more of the pairs L1and L3, L1and L, L5and L7, L′1and L′3, L′1and L′, L′5and L′7, L″1and L″3, L″1and L″, or L″5and L″7, together denote an organic linking group; provided that at least one of L, L′, L″, L1, L′1, L″1, L2, L′2, L″2, L3, L′3, L″3, L4, L′4, L″4, L5, L′5, L″5, L6, L′6, L″6, L7, L′7, L″7, L8, L′8and L″8is other than hydrogen; X, X′ and X″ independently of one another are a single bond, CRaRbO, S, NRcor NCORc; Ra, Rband Rcindependently of one another are hydrogen or an organic substituent; and Y is an inorganic or organic anion; are suitable as photolatent acid generators.

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