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
1992-04-13
1993-08-17
Rodee, Christopher
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430 2, 430915, 430920, 430924, 430926, 522 14, 522 16, 522 25, 522 26, G03F 7029, G03F 7031
Patent
active
052368084
ABSTRACT:
Photopolymerizable compositions containing photoinitiator systems that absorb in the visible are disclosed. The photoinitiator system comprises a sensitizer which is a compound of the structure I: ##STR1## wherein R.sub.2 and R.sub.3 are alike or different and are selected from the group consisting of II and III: ##STR2##
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E. I. Du Pont de Nemours and Company
Rodee Christopher
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