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. 29, 1977
Filed:
Jul. 10, 1975
Applicant:
Inventors:
Kazuo Tsubuko, Yokohama, JA;
Taro Kimura, Tokyo, JA;
Junichiro Hashimoto, Tokyo, JA;
Tsuneo Kurotori, Tokyo, JA;
Assignee:
Ricoh Co., Ltd., Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
252 / ; 96 / ; 260 / ; 260836 ; 260885 ; 427 15 ; 427 17 ; 526 12 ;
Abstract
Liquid electrostatic developer having pigment or dyestuff dispersed in a non-aqueous dispersion containing a graftcopolymer and at least one substance selected from the group consisting of polyethylene, polyethylene wax and paraffin wax in a liquid carrier having a high resistivity and a low dielectric constant.