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. 28, 2003
Filed:
Dec. 12, 1997
Applicant:
Inventors:
Assignee:
Kawasaki Steel Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/504 ; B32B 1/508 ; B32B 1/518 ;
U.S. Cl.
CPC ...
B32B 1/504 ; B32B 1/508 ; B32B 1/518 ;
Abstract
Electrical steel sheet can be produced by baking at low temperatures and is capable of stress relief annealing and has excellent solvent resistance and has an insulating coating containing substantially no chromium components harmful to environment; the electrical steel sheet has an insulating coating comprising a resin and an inorganic colloid which is silica, alumina or alumina-containing silica.