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.:

US 7229738 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 12, 2007

Filed:

Jan. 30, 2003
Applicants:

Shoji Yasuda, Minami-ashigara, JP;

Terukazu Yanagi, Minami-ashigara, JP;

Inventors:

Shoji Yasuda, Minami-ashigara, JP;

Terukazu Yanagi, Minami-ashigara, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C 1/38 (2006.01); G03C 1/295 (2006.01); G03C 1/85 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed is a silver halide photographic light-sensitive material comprising at least one silver halide emulsion layer on a support, which contains a fluorine compound having two or more fluorinated alkyl groups having two or more carbon atoms and 11 or less fluorine atoms and having at least one of an anionic hydrophilic group and a nonionic hydrophilic group, and has a characteristic curve drawn in orthogonal coordinates of logarithm of light exposure (x-axis) and optical density (y-axis) using equal unit lengths for the both axes, on which gamma is 5.0 or more for the optical density range of 0.3-3.0. There is provided a silver halide photographic light-sensitive material that provides high sensitivity, high contrast, favorable half tone dot quality and superior storage stability.


Find Patent Forward Citations

Yasuda, Shoji. (2007). Silver halide photographic light-sensitive material (U.S. Patent No. 7229738). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7229738

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