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. 07, 1987
Filed:
Feb. 10, 1986
Applicant:
Inventors:
Ryuzo Ueno, Nishinomiya, JP;
Shigeru Itoh, Nishinomiya, JP;
Shine Fujimoto, Nishinomiya, JP;
Yumiko Komatsu, Takarazuka, JP;
Hiroaki Tsuchiya, Kobe, JP;
Assignee:
Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106309 ; 1062 / ;
Abstract
A process for producing an azo pigment, which comprises coupling an aromatic diazonium compound with 3-hydroxy-2-naphthoic acid and at least one bis-naphthylmethane, and optionally, making the resulting pigment.