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. 21, 1993
Filed:
Mar. 03, 1992
Applicant:
Inventors:
Jared B Mooberry, Rochester, NY (US);
James J Seifert, Rochester, NY (US);
Stephen P Singer, Spencerport, NY (US);
Assignee:
Eastman Kodak Company, , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430387 ; 430226 ; 430372 ; 430376 ; 430386 ; 430543 ; 430548 ; 430554 ; 430555 ; 430958 ;
Abstract
A photographic element having improved granularity contains a dye-forming coupler containing a carbamic acid precursor capable of being converted into a carbamic acid group during processing, and wherein after processing the carbamic acid group decomposes, leaving the dye substantially non-diffusable.