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:
Nov. 17, 1998
Filed:
Sep. 25, 1997
Applicant:
Inventors:
Jacques Roussilhe, Virey Le Grand, FR;
Siu-Chung Tsoi, Hertfordshire, GB;
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430480 ; 430440 ; 430446 ; 430483 ; 430487 ;
Abstract
The invention concerns a developer solution for processing silver halide photographic products. This developer solution contains an ascorbic acid developing agent, a auxiliary developing agent which is a substituted phenidone and a development accelerator which is a thioether having an ammonium group, a triazolium thiolate or a substituted thioalkane.
Roussilhe, Jacques. (1998). Photographic developers containing a developing agent of the ascorbic (U.S. Patent No. 5837434). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5837434
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile