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:
Mar. 14, 2000
Filed:
May. 21, 1998
Applicant:
Inventors:
Wolfgang Paulus, Weisenheim, DE;
Lukas Haussling, Bad Durkheim, DE;
Karl Siemensmeyer, Frankenthal, DE;
Karl-Heinz Etzbach, Frankenthal, DE;
Dieter Adam, Hof, DE;
Juergen Simmerer, Bayreuth, DE;
Helmut Ringsdorf, Mainz, DE;
Peter Schuhmacher, Mainz, DE;
Dietrich Haarer, Bayreuth, DE;
Sundeep Kumar, Mainz, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ;
U.S. Cl.
CPC ...
25229962 ; 2522995 ;
Abstract
The use of low molecular-weight or polymeric organic compounds which are present in the columnar-helical phase and have liquid-crystalline properties, as photoconductors or in electronic components, corresponding photoconductive layers, an electrophotographic recording material and a method for enhancing the photoconductivity.