The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 15, 1991
Filed:
Apr. 26, 1990
Applicant:
Inventors:
Hans-Dieter Frommeld, Wiesbaden, DE;
Hansjoerg Vollmann, Bad-Soden-Neuenhain, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt/Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F / ;
U.S. Cl.
CPC ...
430277 ; 430281 ; 430916 ; 430920 ; 430925 ; 430926 ; 430278 ; 430271 ; 430288 ; 522-9 ; 522 14 ; 522 16 ; 522 26 ;
Abstract
A photopolymerizable composition that contains a polymeric binder, a polymerizable compound and photoinitiator combination comprising an N-heterocyclic compound and a halogen compound corresponding to one of the folowing formulas I and II ##STR1## in which X.sup.1 stands for chlorine or bromine,