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. 07, 1992
Filed:
Dec. 04, 1991
Applicant:
Inventor:
Yann Hung, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
430 58 ; 430 59 ; 430 64 ; 430900 ;
Abstract
A photoconductor element of the type comprising successive layers of a support layer, a barrier layer, a charge generation layer, and an n-type charge transport layer wherein the barrier layer is less than about 1.0 micron in thickness and is comprised of (1) at least one monoethylenically unsaturated aliphatic dicarboxylic acid anhydride containing 4 through 8 carbon atoms per molecule, and (2) at least one vinyl monomer wherein the weight ratio of (1) to (2) is in the range of about 10:1 to 1:10.