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:
Jan. 07, 1997
Filed:
Oct. 05, 1995
Applicant:
Inventors:
Daniel L Kapp, Rochester, NY (US);
Janet Younathan, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
430549 ; 430551 ; 430555 ; 430558 ;
Abstract
This invention provides a photographic process and element where the element comprises a support bearing a light-sensitive photographic silver halide layer containing (1) a bicyclic azole coupler, (2) an azopyrazolone masking coupler, and (3) an aromatic electron-rich compound having ring substituents for which the sum of the individual Hammett sigma-para values is more negative than -0.80.
Kapp, Daniel. (1997). Photographic element containing an azopyrazolone masking coupler (U.S. Patent No. 5591569). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5591569
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile