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, 1981
Filed:
Aug. 01, 1979
Applicant:
Inventors:
Toshiaki Shibue, Hino, JP;
Koichi Nagayasu, Hino, JP;
Assignee:
Konishiroku Photo Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430530 ; 430523 ; 430527 ; 430531 ; 430961 ;
Abstract
A photographic film having at least one light-sensitive silver halide emulsion layer on one side of a support and at least one reverse side layer on the other side thereof which comprises, in said reverse side layer, a compound represented by formula [I]: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent a hydrogen atom or an aliphatic acyl group having from 12 to 24 carbon atoms provided that at least three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent an aliphatic acyl group having from 12 to 24 carbon atoms, and a tertiary amine.