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:
Jun. 15, 1993
Filed:
Jan. 27, 1992
Applicant:
Inventors:
Reinhold Schwalm, Wachenheim, DE;
Andreas Boettcher, Nussloch, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
549 78 ; 549 79 ; 549-3 ; 549-4 ; 562 30 ; 560-1 ; 568 45 ; 568 49 ; 568 53 ; 568 54 ; 568 51 ;
Abstract
Novel sulfonium salts useful as photoinitiators for cationic polymerization and for producing relief patterns and relief images have the general formula (I) ##STR1## where A.sup..crclbar. is a non-nucleophilic counterion,