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:
Nov. 14, 1978
Filed:
Feb. 11, 1977
Applicant:
Inventor:
Lewis O Jones, Webster, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
428403 ; 96 / ; 427 18 ; 427221 ; 252 / ; 252 6251 ; 252 6253 ; 252 6254 ; 252 6255 ; 252 6256 ; 428405 ; 428407 ; 428546 ; 428611 ; 428402 ;
Abstract
Classified high surface area carrier materials having a specific surface area of at least about 150 cm.sup.2 /gram, a particle size volume distribution geometric standard deviation of less than about 1.3, and a particle size distribution wherein the carrier particles have an average particle diameter of less than about 100 microns. The carrier materials are mixed with finely-divided toner materials to form electrostatographic developer mixtures.
Jones, Lewis. (1978). High surface area ferromagnetic carrier materials (U.S. Patent No. 4125667). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4125667
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile