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:
May. 22, 1990
Filed:
Jul. 07, 1989
Applicant:
Inventor:
Byron G Hays, Verona, NJ (US);
Assignee:
BASF Corp., Parsipppany, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
106494 ; 106496 ;
Abstract
High strength, highly transparent azo pigments have mean ultimate particle size of from 0.010 micron to 0.040 micron. These pigments are produced by a process in which the azo compound is reacted with a coupler in the presence of one or more of a specific group of surface active agents.