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. 13, 1984
Filed:
Sep. 27, 1982
Shigeru Iguchi, Nagaokakyo, JP;
Seigo Ebato, Nagaokakyo, JP;
Mitsubishi Paper Mills, Ltd., Tokyo, JP;
Abstract
Disclosed are a developer for silver complex diffusion transfer process which contains a nitrogen-containing heterocyclic compound having a mercapto or thione group and, as substituent, an alkyl group of 4 or more carbon atoms, an aryl group, or a group having both the alkyl and aryl groups and further contains an alkali-soluble iodide in an amount such that the molar ratio of the iodide in terms of iodine to the heterocyclic compound is in the range of from 1:5 to 5:1 and a silver complex diffusion transfer process using said developer, according to which transferred silver images of improved color tone, maximum density, contrast and sharpness can be obtained.