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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.:

US 5525418 B1

PDFFull Text
Date of Patent:
Jun. 11, 1996

Filed:

Dec. 23, 1994

Magnetic recording medium having a magnetic layer containing

Applicant:
Inventors:

Hiroshi Hashimoto, Odawara, JP;

Yuichiro Murayama, Odawara, JP;

Masaki Satake, Odawara, JP;

Tsutomu Okita, Odawara, JP;

Assignee:

Fuji Photo Film Co., Ltd., Kanagawa, JP;

Attorney:

Sughrue, Mion, Zinn, Macpeak & Seas

Primary Examiner:

Stevan A Resan

Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428323 ; 428328 ; 428329 ; 4284259 ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 428522 ; 428900 ;
Abstract

A binder for a magnetic recording medium comprising a polyurethane which is a reaction product obtained from a polyol and a polyisocyanate as principal raw materials. The polyol is an aliphatic polyol with a molecular weight of not lower than 500. The binder has high dispersibility and provides excellent running durability and shelf stability. Also disclosed is a magnetic recording medium having at least one magnetic or non-magnetic layer containing the above-described binder on at least one surface of a non-magnetic support.

Find Patent Forward Citations

Hashimoto, Hiroshi. (1996). Magnetic recording medium having a magnetic layer containing (U.S. Patent No. 5525418). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5525418

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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