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. 21, 1991
Filed:
Dec. 04, 1989
Applicant:
Inventor:
Paul Stahlhofen, Wiesbaden, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03F / ; G03F / ;
U.S. Cl.
CPC ...
430325 ; 430330 ; 430191 ; 430192 ; 430165 ; 430270 ; 430920 ;
Abstract
The invention describes a photosensitive composition, a copying material prepared from this composition and the production of negative relief copies, in which a photosensitive material containing a photosensitive compound comprising an ester or an amide of a 1,2-quinonediazide sulfonic acid or carboxylic acid, a binder and an s-triazine of the general formula I ##STR1## wherein R.sub.1 may be an alkyl or aryl group and
Stahlhofen, Paul. (1991). Process of producing negative relief copies utilizing photosensitive (U.S. Patent No. 5017462). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5017462
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile