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:
Jan. 28, 1992
Filed:
Jan. 23, 1991
Applicant:
Inventors:
Shane Hsieh, Bridgewater, NJ (US);
Paul Stahlhofen, Wiesbaden, DE;
Assignee:
Hoechst Celanese Corporation, Somerville, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
430296 ; 430155 ; 430157 ; 430165 ; 430170 ; 430175 ; 430191 ; 430270 ; 430278 ; 430280 ; 430309 ; 430325 ; 430326 ; 430330 ; 430350 ; 430942 ; 430945 ;
Abstract
A light-sensitive composition for the preparation of printing plates is described, which contains a water-insoluble binder which is soluble in aqueous-alkaline solutions; a light-sensitive component which is an o- or p-quinone diazide, a diazonium salt polycondensation product or a mixture of