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:
Feb. 28, 1995
Filed:
Jun. 19, 1991
Applicant:
Inventors:
Toru Koyama, Hitachi, JP;
Hirokazu Takasaki, Hitachi, JP;
Hiroshi Suzuki, Hitachi, JP;
Akio Mukoh, Mito, JP;
Ikushi Kano, Ibaraki, JP;
Toshiyuki Koide, Ibaraki, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
523400 ; 525523 ; 528 87 ; 528 88 ; 528 90 ; 528 92 ; 528 93 ; 428413 ; 428414 ; 428416 ;
Abstract
An epoxy resin composition for insulating a coil which comprises at least one polyfunctional epoxy resin, at least one latent curing catalyst, at least one filler and at least one surfactant, wherein the ceiling is set to the acid anhydride content in the composition at 10% by weight based on the weight of the epoxy resin; and a coil molded out of said resin composition.