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:
Feb. 26, 1985

Filed:

Jul. 27, 1983
Applicant:
Inventors:

Kuniharu Fujiki, Mito, JP;

Shigeru Hashimoto, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; G11B / ;
U.S. Cl.
CPC ...
428447 ; 252 6254 ; 360134 ; 360135 ; 360136 ; 427128 ; 428694 ; 428695 ; 428900 ;
Abstract

Magnetic recording media are described which comprise a support having a magnetic recording layer thereon. The magnetic recording layer is made of a dispersion of magnetic particles in a binder and a specific type of organosilicone. The organosilicone is represented by the general formula ##STR1## in which R represents a monovalent saturated or unsaturated hydrocarbon having 7 to 21 carbon atoms, R.sub.1, R.sub.2 and R.sub.3 independently represent a methyl or RCOO group, R.sub.4 is a saturated hydrocarbon group having 1 to 20 carbon atoms, and k, l, m and n are independently an integer provided that 1<K, 1.ltoreq.l<200, 1.ltoreq.m<200, 0.ltoreq.n<300, and l+m+n.ltoreq.500.


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