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:
Feb. 08, 1977
Filed:
Oct. 01, 1975
Applicant:
Inventors:
Shigetaka Higuchi, Sendai, JA;
Yoshiaki Hisagen, Sendai, JA;
Minoru Takamizawa, Annaka, JA;
Masatoshi Takita, Annaka, JA;
Assignees:
Sony Corporation, Tokyo, JA;
Shinetsu Chemical Co., Ltd., Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428447 ; 428900 ; 428539 ; 427128 ; 427131 ; 252 6251 ; 252 6256 ; 252 496 ;
Abstract
A magnetic recording medium including a flexible non-magnetic film base and a magnetic layer thereon consisting of magnetizable particles in a resinous binder, the magnetic layer containing or being coated with an organosilicon lubricant compound having the formula: