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:
Mar. 16, 1993
Filed:
Mar. 26, 1991
Konica Corporation, Tokyo, JP;
Abstract
A method for producing a carrier for an electrostatic image developer is disclosed. The carrier comprises a core particle and a resin coating layer and is produced by a method comprising stirring a mixture of core particles, resin particles and particles of a carbon fluoride to form a resin coating layer on the surface of each core particle, the resin coating layer contains the carbon fluoride dispersed therein, in a ratio of from 5% to 45% by weight to the whole weight of the resin coat layer. A two-component developer using the carrier is improved in the durability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile