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:
Feb. 28, 1995
Filed:
Dec. 16, 1993
Applicant:
Inventors:
Friedrich Closs, Ludwigshafen, DE;
Thomas Frey, Muenster, DE;
Dirk Funhoff, Heidelberg, DE;
Karl Siemensmeyer, Frankenthal, DE;
Helmut Ringsdorf, Mainz-Gonsenheim, DE;
Dietrich Haarer, Bayreuth, DE;
Peter Strohriegl, Hummeltal, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 56 ; 430 83 ;
Abstract
The present invention relates to photoconductors composed of low molecular weight or polymeric organic compounds with liquid crystal properties, where the photoconduction in the discotic phase is higher than in the non-liquid-crystal phases, and to a method for increasing the photoconductivity by molecular ordering in photoconductors.