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. 19, 1992
Filed:
Nov. 22, 1989
Applicant:
Inventors:
Assignees:
Koei Chemical Co., Ltd., Osaka, JP;
Sumitomo Metal Mining Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ; H01F / ;
U.S. Cl.
CPC ...
252 6254 ;
Abstract
A curable resin binder comprising an epoxy resin which is a solid at room temperature, an epoxy resin curing agent which is inactive at room temperature, and as a curing accelerator, a pyridine derivative containing at least one hydroxyl group in a molecule. Also disclosed is a resin-bonded rare earth permanent magnet made by employing the binder and a powder of an alloy containing a rare earth metal or metals.