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:
Oct. 23, 1990
Filed:
Feb. 20, 1990
Applicant:
Inventors:
Shigenori Kohno, Tachikawa, JP;
Kenji Tsujita, Fujino, JP;
Assignee:
Konica Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430108 ; 430138 ; 42840224 ; 428404 ; 428406 ; 428407 ;
Abstract
A carrier for use in a developer for electro-photography, which comprises a core material and provided thereon in order, an intermediate resin layer and a layer for controlling triboelectric chargeability, said resin containing as a repeating unit a fluorinated alkylmethakrylarte unit, and a developer for electrophotography using the carrier and a positively chargeable toner is disclosed.
Kohno, Shigenori. (1990). Carrier for developing electrostatic image, and developer for developing (U.S. Patent No. 4965159). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4965159
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile