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:
Oct. 12, 1982
Filed:
Jul. 16, 1980
Applicant:
Inventors:
Sadatugu Terada, Hachioji, JP;
Hideaki Arai, Hachioji, JP;
Kenji Itoh, Hino, JP;
Hiroshi Sugita, Hachioji, JP;
Katsumi Matsuura, Akigawa, JP;
Thuneo Wada, Sagamihara, JP;
Assignee:
Konishiroku Photo Industry Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430372 ; 430377 ; 430382 ; 430449 ; 430512 ; 430544 ; 430546 ; 430548 ; 430554 ; 430957 ;
Abstract
A silver halide photographic material containing a solution of a 5-pyrazolone type magneta coupler and a high-boiling organic solvent of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 each represent an aliphatic or aromatic group with a carbon atom of R.sub.3 directly bonded to the phosphorus atom.