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. 19, 1980
Filed:
Aug. 24, 1978
Applicant:
Inventors:
Tamotsu Kojima, Hino, JP;
Mitsuto Fujiwhara, Hino, JP;
Takaya Endo, Hino, JP;
Osamu Ezawa, Hino, JP;
Assignee:
Konishiroku Photo Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430381 ; 430386 ;
Abstract
A process for forming color photographic images using magenta couplers which afford excellent resistance to formalin, is described.
Kojima, Tamotsu. (1980). Process for forming magenta dye images (U.S. Patent No. 4189321). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4189321
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile