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:
Jun. 18, 1991
Filed:
May. 09, 1988
Applicant:
Inventors:
Hideomi Watanabe, Kanagawa, JP;
Tsutomu Okita, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
4284231 ; 4284259 ; 428694 ; 428900 ;
Abstract
A magnetic recording medium comprising a non-magnetic support having provided thereon a magnetic layer, containing ferromagnetic particles dispersed in a binder, wherein the binder comprises a copolymer comprising at least one vinyl compound having a dialkylaminoalkyl group and at least one copolymerizable vinyl monomer capable of being copolymerized with the vinyl compound.
Quick Actions:
Watanabe, Hideomi. (1991). Magnetic recording medium having a binder comprising a copolymer which (U.S. Patent No. 5024892). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5024892
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