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. 14, 1991
Filed:
Jan. 23, 1989
Applicant:
Inventors:
Horst Bruder, Ludwigshafen, DE;
Rainer Dyllick-Brenzinger, Weinheim, DE;
Udo Mayer, Frankenthal, DE;
Steven J Bares, Corvallis, OR (US);
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02D / ;
U.S. Cl.
CPC ...
106 22 ; 106 20 ; 534606 ;
Abstract
A recording fluid for the ink jet process contains a water-miscible organic solvent and a dye of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each have specified meanings, An.crclbar. is an anion and X is a bridge member of the formula ##STR2## where Y and the rings A and B each have specified meanings.