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. 26, 1995
Filed:
Nov. 17, 1994
Applicant:
Inventors:
Gunter-Rudolf Schroeder, Heidelberg, DE;
Udo Mayer, Frankenthal, DE;
Karin H Beck, Ludwigshafen, DE;
Rainer Dyllick-Brenzinger, Weinheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
544370 ; 546 85 ; 5483024 ;
Abstract
Benzimidazoles of the formula ##STR1## where n and q are each 1 or 2, the radicals R are each hydrogen, chlorine or methyl, L is a bridge member and An.sup..crclbar. is one equivalent of an anion, are used as charge stabilizers in electrostatic toners.