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:
Jul. 05, 1988
Filed:
Jan. 20, 1987
Applicant:
Inventors:
Werner Liebe, Leverkusen, DE;
Hans Vetter, Cologne, DE;
Assignee:
Agfa-Gevaert Aktiengesellschaft, Leverkusen-Bayerwerk, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
430372 ; 430551 ; 430554 ; 430555 ; 430558 ; 430613 ;
Abstract
The stability to light of images produced from magenta couplers is improved by a combination of a hydroquinone and an indole.
Liebe, Werner. (1988). Color photographic recording material and a process for the production (U.S. Patent No. 4755452). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4755452
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile