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:
Feb. 14, 1989
Filed:
Sep. 15, 1987
Applicant:
Inventors:
Ping-Wah Tang, Rochester, NY (US);
Philip T Lau, Rochester, NY (US);
Stanley W Cowan, Rochester, NY (US);
Harold I Machonkin, Webster, NY (US);
Tien-Teh Chen, Penfield, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
430548 ; 430627 ;
Abstract
Color photographic elements contain polymeric dye-forming couplers in which the coupler moiety is joined to the polymer backbone via a linking group containing an ether moiety. Increased dye density yield is obtained.
Quick Actions:
Tang, Ping-Wah. (1989). Photographic material containing a novel polymeric dye-forming coupler (U.S. Patent No. 4804620). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4804620
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile