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:
May. 30, 1989
Filed:
Oct. 07, 1987
Applicant:
Inventor:
Sigrid Bauer, Paudex, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; C07C / ;
U.S. Cl.
CPC ...
430192 ; 430165 ; 430189 ; 430190 ; 430193 ; 534556 ;
Abstract
Compounds of the general formula (I) or (II) ##STR1## in which R is 1,2-naphthoquinone-2-diazide-4- or -5-sulfonyl and X is a straight-chain or branched C.sub.1 -C.sub.12 -alkylene group, which is unsubstituted or mono- or disubstituted by OH group or is --CH.dbd.CH--, are suitable as the light-sensitive component in photoresist materials. Both positive and negative images can be prepared with light-sensitive mixtures containing these compounds and a binder.