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:
Jul. 07, 1981
Filed:
Oct. 29, 1979
Applicant:
Inventor:
Otto Fuchs, Frankfurt am Main, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
260157 ; 548331 ; 564200 ;
Abstract
Monoazo compounds of the general formula ##STR1## in which R is hydrogen, methyl or ethyl. The monoazo compounds are valuable pigments which are especially useful for coloring baking varnishes and plastics. They also exhibit characteristics of good fastness to light, weathering, migration, especially overvarnishing and heat stability.