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:
Nov. 06, 1984
Filed:
Oct. 14, 1983
Yoshitaka Yamada, Hino, JP;
Toshifumi Iijima, Hino, JP;
Toshihiko Yagi, Hino, JP;
Yoshihiro Haga, Hino, JP;
Kenji Kumashiro, Hino, JP;
Hiroshi Menjo, Hino, JP;
Konishiroku Photo Industry Co., Ltd., Tokyo, JP;
Abstract
There is disclosed a light-sensitive silver halide photographic material having at least one silver halide emulsion layer constituted of a plural number of layers which are substantially the same in color to which they are sensitive but different in sensitivity provided on a support, which comprises a layer having the highest sensitivity among the plural number of layers with different sensitivities which contains at least two kinds of substantially mono-dispersed silver halide grains with different average grain sizes. The light-sensitive silver halide photographic material according to this invention is high in sensitivity and excellent in graininess of dye image.