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:
Sep. 08, 1987
Filed:
Nov. 27, 1985
Applicant:
Inventor:
Shuchen Liu, Clinton, NJ (US);
Assignee:
American Hoechst Corporation, Somerville, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F / ; G03F / ;
U.S. Cl.
CPC ...
430325 ; 430143 ; 430145 ; 430149 ; 430155 ; 430175 ; 430302 ; 430309 ; 430331 ;
Abstract
A method of producing a light sensitive element wherein a substrate is coated with a photosensitive layer having a particular class of diazonium salts, a colorant and a polyvinyl acetal resin. Upon imagewise exposure it is developed with an aqueous composition of salts and surfactants in the absence of organic solvents.