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:
Mar. 26, 1985
Filed:
Sep. 07, 1983
Syoji Matsuzaka, Hino, JP;
Makoto Kajiwara, Odawara, JP;
Masanobu Miyoshi, Odawara, JP;
Kiyoshi Yamashita, Hino, JP;
Konishiroku Photo Industry Co., Ltd., Tokyo, JP;
Abstract
A silver halide photographic emulsion containing a coupler for photography, comprising silver halide particles in said emulsion consisting essentially of 2 mole % or less of silver iodide, 50 to 97 mole % of silver bromide and 1 to 50 mole % of silver chloride, and said particles are core/shell type silver halide particles containing a higher content of said 50 to 97 mole % silver bromide in the surface layers of said particles than in the inner portions thereof, the surface layer of said particles containing 70 to 100 mole % of silver bromide and the inner portion containing 40 to 70 mole % of silver bromide.