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:
Mar. 01, 1988
Filed:
Sep. 14, 1984
Applicant:
Inventors:
Yasuyuki Yamada, Kanagawa, JP;
Yoshito Mukaida, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
4284237 ; 427128 ; 427131 ; 427132 ; 4284259 ; 428480 ; 428694 ; 428900 ; 428532 ;
Abstract
A magnetic recording medium is disclosed which comprises a non-magnetic support having coated thereon a magnetic layer comprising a magnetic substance and a binder comprising a cellulose derivative, a polyurethane resin and a polyisocyanate, the non-magnetic support having a heat shrinkage of about 0.15% or less and the water content of the medium being at least about 0.35% by weight.