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:
Dec. 18, 1979
Filed:
Apr. 18, 1977
Applicant:
Inventors:
Assignee:
Xerox Corporation, Stamford, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; B32B / ;
U.S. Cl.
CPC ...
430108 ; 428407 ; 428461 ; 428447 ; 252 6253 ; 252 6255 ; 430111 ;
Abstract
Electrostatographic carrier particles having been classified as to have a surface roughness value of less than about 2.0 to provide improved developer life. Developer mixtures and imaging processes employing the described carrier particles are also disclosed.