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:
Jan. 26, 1993
Filed:
Mar. 15, 1991
Applicant:
Inventors:
Yoshiaki Koizumi, Hachioji, JP;
Kenji Tsujita, Hachioji, JP;
Shigenori Kouno, Hachioji, JP;
Ken Ohmura, Hachioji, JP;
Assignee:
Konica Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430108 ; 430111 ; 430137 ; 427216 ; 427221 ; 428407 ;
Abstract
The invention relates to a carrier and method of making a carrier in which elementary resin particles of volume average particle size not more than 0.5 m are fused on their surfaces to form secondary particles of BET surface areas of 5 to 150 m/g and volume average particle size of 1.5 to 5.0 m, which secondary particles are coated by a dry method on core particles to form carrier particles.
Koizumi, Yoshiaki. (1993). Resin coated carriers for electrostatic image development and the method (U.S. Patent No. 5182181). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5182181
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile