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:
Dec. 17, 2002
Filed:
Oct. 03, 2000
Applicant:
Inventors:
Helmut Auweter, Limburgerhof, DE;
Heribert Bohn, Wattenheim, DE;
Robert Heger, Heidelberg, DE;
Dieter Horn, Heidelberg, DE;
Bernd Siegel, Otterstadt, DE;
Karl Siemensmeyer, Frankenthal, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06P 5/12 ;
U.S. Cl.
CPC ...
D06P 5/12 ;
Abstract
The dyes have an average particle size within the range from 5 nm to 1 &mgr;m and a variance of less than 50%. They are especially useful for ink-jet ink preparations.