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:
May. 22, 1990
Filed:
Nov. 23, 1988
Applicant:
Inventors:
Tetsuo Isoda, Shizuoka, JP;
Yoichiro Watanabe, Shizuoka, JP;
Nobuhiro Nakayama, Shizuoka, JP;
Mitsuo Aoki, Shizuoka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430108 ; 428405 ; 524908 ; 525934 ;
Abstract
The disclosure describes carrier particles for use in a two-component dry-type developer, consisting of core particles which are coated with a silicone resin hardened by an organic tin catalyst.
Isoda, Tetsuo. (1990). Carrier particles for use in a two-component dry-type developer (U.S. Patent No. 4927728). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4927728
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile