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:
Jan. 05, 2021
Filed:
Oct. 04, 2019
Applicant:
National Chi Nan University, Puli, TW;
Inventors:
Assignee:
National Chi Nan University, Puli, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 29/00 (2006.01); C09B 29/036 (2006.01); C09B 29/52 (2006.01);
U.S. Cl.
CPC ...
C09B 29/0051 (2013.01); C09B 29/3665 (2013.01);
Abstract
Disclosed is an azo compound represented by Formula (I), in which Ris hydrogen or methyl, Ris hydrogen or methyl, and Ris hydrogen, an unsubstituted linear alkyl group of from 1 to 4 carbon atoms, or an unsubstituted branched alkyl group of from 1 to 4 carbon atoms. This disclosure also provides a black dye composition including the azo compound represented by Formula (I).