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. 25, 1976
Filed:
Feb. 01, 1974
Applicant:
Inventors:
Ernst Heinrich, Frankfurt am Main, DT;
Konrad Mix, Frankfurt am Main, DT;
Joachim Ribka, Offenbach (Main) - Burgel, DT;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
260156 ;
Abstract
Bisazo dyestuffs of the 2,6-diaminopyridine series, wherein the azo moieties are interconnected by an aromatic moiety preparation thereof and their utility in textile printing lacquers, printing dyes and in bulk dyeing of synthetics.