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:
Oct. 26, 1982
Filed:
Apr. 10, 1981
Applicant:
Inventors:
Eiichi Tadokoro, Odawara, JP;
Haruo Masuda, Odawara, JP;
Nobutaka Yamaguchi, Odawara, JP;
Masaaki Fujiyama, Odawara, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428325 ; 252 6254 ; 360134 ; 427128 ; 427132 ; 428329 ; 428331 ; 428694 ; 428900 ;
Abstract
A method for producing a magnetic recording medium which comprises preparing a dispersion containing a ferromagnetic powder and a binder in the presence of non-alkali beads and coating the resulting dispersion on a non-magnetic support, and a magnetic recording medium obtained by the above method.