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. 06, 1978
Filed:
Mar. 14, 1977
Applicant:
Inventors:
Virgil W Westdale, Chagrin Falls, OH (US);
John Novotny, San Jose, CA (US);
Assignee:
Addressograph-Multigraph Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
96 / ; 427 14 ;
Abstract
Carrier particles for use in an electrophotographic process are prepared by applying a mixture of a perfluoro acid and molybdenum disulfide to the surface of the carrier particle. The resulting carriers have a very thin and effective film deposited on the surface thereof and are long lived and abrasion resistant.