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:
Aug. 01, 1989
Filed:
Nov. 09, 1987
Applicant:
Inventors:
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 59 ; 430 72 ; 430 73 ;
Abstract
A layered photoresponsive imaging member comprised of a supporting substrate, a photogenerating layer, and a hole transport layer comprised of novel bis(diarylamino)fluorenes of the formula: ##STR1## where R and R' are independently selected from the group consisting of hydrogen, alkyl, and substituted alkyl groups; and Ar and Ar' are independently selected from the group consisting of aryl and substituted aryl substituents.
Ong, Beng. (1989). Photoresponsive imaging members with fluorene hole transporting layers (U.S. Patent No. 4853308). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4853308
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