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. 21, 1986
Filed:
Oct. 30, 1984
Applicant:
Inventors:
Shinichi Kuramoto, Numazu, JP;
Hajime Takanashi, Numazu, JP;
Assignee:
Ricoh Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430115 ; 430119 ;
Abstract
A liquid developer for use in electrostatic photography which comprises further containing wax in toner particles consisting essentially of a colorant and a resin as well as mixing with and including among the wax-containing toner particles a filler for preventing transfer-crush comprising particles in the range of 10-20.mu. particle diameter 63.5 piece % or more, particles over 20.mu. particle diameter 6.5 piece % or less and particles not more than 10.mu. particle diameter 30 piece % or less is capable of forming high quality images, irrespective of whether the smoothness of a transfer paper used is high or low.