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:
Feb. 27, 1979
Filed:
Jul. 15, 1977
Applicant:
Inventors:
Rudolf Mory, Dornach, CH;
Rolf Muller, Aesch, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ;
U.S. Cl.
CPC ...
260155 ; 260140 ; 260208 ;
Abstract
Azo pigments of the formula ##STR1## wherein Q, X, Y and Z represent hydrogen or halogen atoms, alkyl or alkoxy groups of 1 to 4 carbon atoms, aryl or aryloxy groups which can be substituted by halogen atoms or alkyl or alkoxy groups of 1 to 4 carbon atoms, and wherein Q and X and Y and Z can also be closed via vicinal carbon atoms to form an isocyclic ring which are useful for pigmenting printing dyes and high molecular organic material.