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:
May. 12, 1987
Filed:
Sep. 13, 1985
Toshifumi Iijima, Kokubunji, JP;
Kenji Kumashiro, Hachioji, JP;
Hiroshi Kashiwagi, Hino, JP;
Koichi Hatta, Hachioji, JP;
Noritaka Nakayama, Hachioji, JP;
Satoshi Kawakatsu, Hachioji, JP;
Katsunori Katoh, Hachioji, JP;
Kaoru Shinozaki, Tokyo, JP;
Abstract
A silver halide color photographic material is disclosed which has at least one silver halide emulsion layer on a support, said silver halide emulsion layer containing at least one magenta coupler having the following formula: ##STR1## wherein R.sub.1 is a tertiary alkyl group; R.sub.2 is a secondary or tertiary alkyl group; X is a leaving group other than a hydrogen atom that leaves upon reaction with the oxidation product of a color developing agent.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile