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. 06, 1993
Filed:
Jan. 31, 1992
Applicant:
Inventors:
Ah-Mee Hor, Mississauga, CA;
Rafik O Loutfy, Willowdale, CA;
George Liebermann, Mississauga, CA;
Donald J Teney, Rochester, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430136 ; 430128 ; 430135 ;
Abstract
A process for the preparation of photogenerating pigments which comprises the sublimation of a pelletized crude photogenerating pigment at a temperature of from about 250.degree. to about 500.degree. C.; depositing the sublimate onto a substrate; subsequently increasing the sublimation temperature by from about 10.degree. to about 100.degree. C. above the first sublimation temperature, and depositing the resulting sublimate onto a substrate.