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. 09, 2001
Filed:
May. 15, 1998
Toshihiro Nishikawa, Minami-ashigara, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A silver halide emulsion comprising a dispersion medium and silver halide grains, wherein at least 60% of the total projected area of all the silver halide grains in the emulsion are occupied by tabular grains each of which have {100} faces as principal planes; an aspect ratio of at least 2.0 but less than 100; a length to width ratio (long side/short side) in a form of a right angled parallelogram of 1 to 6, wherein the right angled parallelogram is the one that is surrounded by the {100} faces at the edges of the tabular grain or that is shaped by extending the {100} faces at the edges of the tabular grain; and at least one dislocation line.