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:
Apr. 06, 1976
Filed:
Jul. 26, 1973
Applicant:
Inventor:
Robert S Bowman, Pittsburgh, PA (US);
Assignee:
St. Joe Minerals Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
96-18 ; 252501 ; 252518 ;
Abstract
Bicharge photoconductive zinc oxides useful in the production of photoprint papers providing good quality photoprints in both positive charge and reversal modes are prepared by heating photoconductive zinc oxide in air to a temperature of from about 100.degree.C. to about 500.degree.C. in the presence of iodine or an inorganic or organic iodide.