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:
Jul. 30, 1996
Filed:
May. 01, 1995
Applicant:
Inventors:
Alfred Oftring, Bad Durkheim, DE;
Bernd Burkhart, Mutterstadt, DE;
Thomas Wehlage, Hamburg, DE;
Rainer Dyllick-Brenzinger, Weinheim, DE;
Karin H Beck, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430110 ;
Abstract
Electrostatic toners contain a polymeric binder and, as a charge stabilizer, a compound of the formula ##STR1## where the ring A may be benzofused and