Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1991-07-10
1992-04-07
McCamish, Marion E.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430914, 522 31, 522166, 522170, G03F 7004, C08G 5968
Patent
active
051027720
ABSTRACT:
Photocurable compositions with, as photoinitiator, sulfonium salts of the formula: ##STR1## wherein Ar is a fused aromatic radical; R.sub.1 is a divalent organic bridge; each R.sub.2 and R.sub.3 individually is an alkyl, aryl, alkaryl, aralkyl or substituted aryl, provided that not more than one of R.sub.2 and R.sub.3 is alkyl; and A is a non-nucleophilic anion; use thereof and preparation thereof.
REFERENCES:
patent: 3981897 (1976-09-01), Crivello
patent: 4933377 (1990-06-01), Saeva
Angelo Raymond W.
Gelorme Jeffrey D.
Kuczynski Joseph P.
Lawrence William H.
Pappas Socrates P.
IBM
Koeckert Arthur H.
McCamish Marion E.
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