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:
Jan. 19, 1988
Filed:
Aug. 07, 1986
Hideki Takiguchi, Hino, JP;
Toshifumi Iijima, Hino, JP;
Toshihiko Yagi, Hino, JP;
Yoshihiro Haga, Hino, JP;
Konishiroku Photo Industry Co., Ltd., Tokyo, JP;
Abstract
A light-sensitive silver halide photographic material having silver halide emulsion layers on a support, wherein at least one layer of said silver halide emulsion layers contains surface latent image type mono-dispersed silver halide grains, and 50% or more of the silver halide grains contained in said at least one silver halide emulsion layer are regular surface latent image type mono-dispersed silver halide grains of tetradecahedral crystals whose external surfaces have crystal faces with Miller indices (100) and (111), the area ratio of said (100) face and said (111) face satisfying the relation represented by the correlation formula (I) shown below: