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:
Mar. 10, 1987
Filed:
Apr. 12, 1985
Applicant:
Inventors:
Byron G Hays, Verona, NJ (US);
Robert J Stanaback, Gladstone, NJ (US);
Assignee:
BASF Corporation, Clifton, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 30 ; 106 31 ; 1062 / ; 106309 ;
Abstract
Improved diarylide yellow pigment compositions having high color strength. The compositions are manufactured by modifying tetrazotized 3,3'-dichlorobenzidine with a solution of about 3 to about 5 mole percent of a first acetoacetarylide, followed by coupling into a second acetoacetarylide such as acetoacetanilide.