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. 17, 1981
Filed:
May. 07, 1979
Applicant:
Inventors:
Heinrich Frolich, Niedernhausen, DE;
Klaus Hunger, Kelkheim, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; D06P / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
260193 ; 8639 ; 106 23 ; 1062 / ; 106309 ; 260144 ;
Abstract
Mixtures of monoazo compounds which are obtainable by diazotizing 0.75 to 0.85 molar equivalent of 5-nitro-2-amino-anisol and 0.25 to 0.15 molar equivalent of 3-nitro-4-amino-anisol and coupling onto 2-acetoacetylamino-anisol are pigments of high tinctorial strength, transparency, gloss and fastness to light having good rheological properties.