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:
Jun. 29, 1976
Filed:
Dec. 17, 1974
Applicant:
Inventors:
Geoffrey A Page, Rochester, NY (US);
Steven J Grammatica, Webster, NY (US);
Joan R Ewing, Pittsford, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ; G03G / ;
U.S. Cl.
CPC ...
96-12 ; 96-13 ; 96 / ;
Abstract
An improved photoelectrophoretic imaging method is disclosed wherein a blocking layer is provided with a coating which interacts, in the dark, with the pigment particles of the imaging suspension so as to provide a uniformly charged imaging suspension upon exposure of the suspension to an electric field. The coating comprises a compound selected from the group consisting of inorganic salts of lithium, iodine, tin and iron.