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:
Apr. 04, 1978
Filed:
Nov. 15, 1976
Applicant:
Inventors:
Reinhard Mohr, Offenbach am Main, DT;
Eberhard Mundlos, Heusenstamm, DT;
Kurt Hohmann, Neu-Isenburg, DT;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
2601 / ; 2601 / ; 2601 / ; 260147 ; 260149 ; 260152 ; 260153 ; 260154 ; 260155 ; 260156 ; 260157 ; 260158 ; 260162 ; 260163 ; 260164 ; 260165 ; 260205 ; 2602071 ;
Abstract
New basic azo dyestuffs of the formula ##STR1## where D.sup.(+) is the radical of an aromatic or heterocyclic diazo component containing a quaternary nitrogen atom,