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.

Date of Patent:
Sep. 05, 1995

Filed:

Dec. 17, 1993
Applicant:
Inventors:

Haruyoshi Funae, Takasago, JP;

Sadao Kinugasa, Kakogawa, JP;

Hideo Makishima, Takasago, JP;

Hideaki Senoh, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428323 ; 4285375 ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 428900 ; 430 60 ; 430 69 ; 503204 ; 503226 ; 283 82 ; 360-2 ;
Abstract

There is discloses a magnetic recording sheet comprising a substrate, a magnetic recording layer formed on one side of the substrate, an image recording layer formed on the other side of the substrate, a first subbing layer formed between the substrate at the magnetic recording layer, and preferably, a second subbing layer formed between the substrate and the image recording layer, said magnetic recording layer comprising a magnetic powder and an aqueous binder, said image recording layer comprising a binder, and said first and second subbing layers comprising a styrene-butadiene latex having a gel content of 5 to 75%. This magnetic recording sheet can be obtained without any trouble in its production process and is excellent in dimensional stability, magnetic recording properties, image-recording properties, etc.


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