Dimeric bisacylphosphines, oxides and sulfides

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United States of America Patent

PATENT NO 5723512
SERIAL NO

08669807

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Abstract

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n and m are independently of one another 0 or 1, R.sub.1, R.sub.2, R.sub.3, R.sub.4 and X are as defined in claim 1, are suitable as photoinitiators for the polymerization of ethylenically unsaturated compounds.

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Patent Owner(s)

Patent OwnerAddress
CIBA SPECIALTY CHEMICALS CORPORATION540 WHITE PLAINS ROAD P O BOX 2005 TARRYTOWN NY 10591

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kohler, Manfred Freiburg, DE 31 986
Leppard, David G Marly, CH 51 754

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