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. 15, 1992
Filed:
Jun. 28, 1990
Applicant:
Inventor:
Mario Grossa, Dreieich, DE;
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430-7 ; 430 28 ; 430330 ; 430350 ; 430353 ; 430965 ;
Abstract
A process for the preparation of a color filter is described utilizing an exposure step of a light-sensitive material, imagewise exposing, toning and heat treating.
Grossa, Mario. (1992). Process for the preparation of optical color filters (U.S. Patent No. 5147743). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5147743
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile