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:
Jul. 24, 1990
Filed:
Nov. 07, 1989
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428331 ; 427131 ; 4284259 ; 428694 ; 428900 ;
Abstract
A magnetic recording medium, having excellent running durability and strong resistance to deformation caused by heat, is comprised of a non-magnetic support and a magnetic layer having provided therebetween, a non-magnetic under-coating comprised of a dispersion of silica fine particles and at least one binder, said binder comprising at least one polymerizable (meth)acrylate compound containing a triazine ring.