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:
Feb. 16, 1988
Filed:
Sep. 23, 1986
Kunio Shigeta, Hachioji, JP;
Jiro Takahashi, Hachioji, JP;
Kenzi Tsuzita, Hachioji, JP;
Hiroyuki Nomori, Hachioji, JP;
Konishiroku Photo Industry Co., Ltd., Tokyo, JP;
Abstract
A carrier for developing electrostatic images is disclosed. The carrier comprises a core and a resin coating layer provided thereon. The coating layer comprises two kinds of polymer resin, one of them is a vinylidene fluoride/tetrafluoroethylene copolymer, and the other one is a polymer containing, as a monomer component, an acrylate which has a group substituted with at least one fluorine atom. The carrier is improved in its durability and electrostatic properties. A high density images without fog are obtained when electrophotographic images are developed with the developer containing this carrier.