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:
May. 03, 1988
Filed:
Feb. 02, 1987
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428336 ; 427128 ; 427131 ; 4284259 ; 428694 ; 428695 ; 428900 ; 428447 ; 428480 ;
Abstract
A magnetic recording medium comprising a back coat layer formed on a non-magnetic support on one side which is opposite to a side where a magnetic recording layer is formed. The back coat layer is made of a dispersion of a fluorine-modified organosiloxane in a binder resin. The organosiloxane is of the following formula ##STR1## in which R.sub.1 represents a saturated or unsaturated monohydrocarbon group having from 7 to 21 carbon atoms, R.sub.2 represents a saturated monohydrocarbon group having from 1 to 4 carbon atoms, k is an integer of from 1 to 12, l is an integer of from 2 to 6, m is an integer of 1 or 2, n is an integer of 1 or 2 provided that m+n.ltoreq.3.