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:
Jun. 23, 1981
Filed:
Nov. 28, 1978
Tamotsu Kojima, Hino, JP;
Mitsuto Fujiwhara, Hino, JP;
Takaya Endo, Hino, JP;
Akio Iijima, Hino, JP;
Konishiroku Photo Industry Co., Ltd., Tokyo, JP;
Abstract
A color photographic material comprising a light-sensitive silver halide emulsion layer coated on a support containing a magenta coupler represented by general formual [I] or [II]: ##STR1## wherein, R.sub.1 represents a hydrogen atom, an alkyl, aryl or 5 or 6-membered heterocyclic group, R.sub.2 represents a hydrogen atom, an alkyl, aryl, 5 or 6-membered heterocyclic, amino, sulfamoyl or carbamoyl group, R.sub.3 represents an alkyl, aryl or 5 or 6-membered heterocyclic group having from 12 to 35 carbon atoms, R.sub.4 represents an alkyl group having from 2 to 8 carbon atoms or a phenyl group, and R.sub.5 represents an alkyl group having from 2 to 8 carbon atoms.