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 6824962 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 30, 2004

Filed:

Jan. 29, 2002
Applicant:
Inventor:

Tokuju Oikawa, Minami-ashigara, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C 5/16 ; G03C 1/498 ; G03C 1/08 ;
U.S. Cl.
CPC ...
G03C 5/16 ; G03C 1/498 ; G03C 1/08 ;
Abstract

Disclosed is a photothermographic material containing at least a photosensitive silver halide, a non-photosensitive silver salt of an organic acid, a reducing agent for silver ions and a binder on one surface of a support, wherein the material contains a compound producing imagewise a chemical species that can form development initiation points on and in the vicinity of the non-photosensitive silver salt of an organic acid or the like and an organic gold compound and the photosensitive silver halide has a mean grain size of 0.12 &mgr;m or less. This photothermographic material shows high sensitivity, low fog, high Dmax (maximum density), little increase of fog during storage and low temperature and humidity dependency during development.


Find Patent Forward Citations

Oikawa, Tokuju. (2004). Photothermographic material (U.S. Patent No. 6824962). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6824962

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