05639802 is referenced by 38 patents and cites 25 patents.

The present invention relates to a novel class of compounds which absorb light at wavelengths greater than 350 nm and are useful as fluorescers or as photoinitiators. The present invention provides compounds of the formulas (I) and (II) and their equivalents (the nomenclature of the compounds used herein is based on the numbering of positions as shown in formula (I)): ##STR1## where: when W is .dbd.O, W.sup.1 is hydrogen or --OR.sup.9 and when W is .dbd.NR.sup.+.sub.2, W is hydrogen or --NR.sub.2, A is hydrogen, alkenyl, alkyl or an election withdrawing group, and the remaining groups are as defined in the disclosure.

Title
Cationic polymerization
Application Number
702886
Publication Number
5639802
Application Date
November 23, 1993
Publication Date
June 17, 1997
Inventor
Yubai Bi
Bowling Green
OH, US
Douglas C Neckers
Perrysburg
OH, US
Agent
Thompson Hine & Flory
Assignee
Spectra Group
OH, US
IPC
A61K 3/00
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