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:
May. 20, 1986
Filed:
Feb. 28, 1984
Applicant:
Inventor:
Siegfried Scheler, Wiesbaden, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430163 ; 430146 ; 430157 ; 430171 ; 430176 ; 430186 ;
Abstract
Disclosed is a two-component diazotype material comprising a support and a light-sensitive layer containing (a) at least one diazonium compound derived from p-phenylenediamine and carrying a basic heterocyclic radical in the 4-position and ether groups in the 2- and 5-positions, (b) a coupler component, and (c) an acid stabilizer, the diazonium compound being present in the form of a benzenesulfonate or toluenesulfonate. The disclosed materials have a good storability and are easily developed.