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:
Dec. 20, 1994
Filed:
Jun. 09, 1992
Applicant:
Inventors:
Makoto Hirama, Mito, JP;
Ikuo Matsumoto, Mito, JP;
Assignee:
Victor Company of Japan, Ltd., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428328 ; 4284259 ; 4286 / ; 4286 / ; 4286 / ; 428900 ; 428907 ;
Abstract
The present invention provides a magnetic recording medium which can prevent mold from generating in the magnetic medium without degrading physical and electromagnetic conversion characteristics of the magnetic medium. Anti-mold agents specified by chemical formulas (1) through (7) are employed in magnetic layers or over-coat layers which are overlaid on non-magnetic bases.