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
1984-09-13
1990-10-30
Hamilton, Cynthia
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430922, 430270, 430280, 430343, 430292, 522 34, 522 45, 548491, 548217, 548150, 548148, 548180, 548147, 548120, 548121, 546174, G03C 1675, G03F 7028, G03F 7038, C07D20904
Patent
active
049668285
ABSTRACT:
Disclosed is a compound of the general formula ##STR1## wherein L=H or CO--(R.sup.1).sub.n (CX.sub.3).sub.m, M=alkylene, alkenylene, Q=S, Se, O, dialkylmethylene, alken-1,2-ylene, 1,2-phenylene or N-R, with M+Q together forming 3 or 4 ring members, R=alkyl, aralkyl or alkoxyalkyl, R.sup.1 is an aromatic group and X=Cl, Br or I, with n=O and m=1 or n=1 and m=1 or 2. The compounds, on exposure, eliminate HX and form free radicals and are therefore highly effective as acid donors and free radical initiators for photochemical processes.
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Doenges Reinhard
Geissler Ulrich
Ruckert Hans
Steppan Hartmut
Hamilton Cynthia
Hoechst Aktiengesellschaft
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