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. 24, 1989
Filed:
Feb. 24, 1987
Applicant:
Inventors:
Robert J Allen, Holland, MI (US);
Louis Rolando de Alvare, Holland, MI (US);
Floyd G Spence, Holland, MI (US);
Assignee:
BASF Corporation, Parsippany, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09D / ; C09D / ;
U.S. Cl.
CPC ...
260391 ; 106 20 ; 106 22 ; 106 23 ; 534573 ;
Abstract
Reddish-brown to yellow shade colorants suitable for ribbon and ball point inks are produced from the glassy waste by-product of pararosaniline manufacture.