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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 5876833 B1

PDFFull Text
Date of Patent:
Mar. 02, 1999

Filed:

Oct. 23, 1997

Magnetic recording medium containing magnetic powder and a polyurethane

Applicant:
Inventors:

Masaki Suzuki, Kanagawa, JP;

Hiroshi Hashimoto, Kanagawa, JP;

Satoshi Matsubaguchi, Kanagawa, JP;

Hiroaki Takano, Kanagawa, JP;

Assignee:

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

Attorney:

Brinks Hofer Gilson & Lione

Primary Examiner:

Stevan A Resan

Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428141 ; 428328 ; 428329 ; 428336 ; 4284259 ; 4286 / ; 4286 / ; 4286 / ; 428900 ;
Abstract

A magnetic recording medium is disclosed, comprising a magnetic layer mainly comprising a ferromagnetic powder and a binder resin formed on at least one side of a non-magnetic support, wherein said magnetic layer has a thickness of from 0.05 .mu.m to 0.8 .mu.m, said ferromagnetic powder has an average long axis length of from 0.05 .mu.m to 0.20 .mu.m, and said binder resin comprises a polyurethane having a radius of gyration from 5 to 25 nm in cyclohexanone.

Find Patent Forward Citations

Suzuki, Masaki. (1999). Magnetic recording medium containing magnetic powder and a polyurethane (U.S. Patent No. 5876833). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5876833

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

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