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. 14, 1991
Filed:
Dec. 27, 1989
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427132 ; 427128 ; 427130 ;
Abstract
A method for preparing a magnetic recording medium comprising a non-magnetic support having coated thereon a magnetic layer of a magnetic coating composition containing ferromagnetic metal particles and a binder, comprising at least (1) a step of mixing and dispersing ferromagnetic metal particles, a binder, and a solvent to prepare magnetic coating composition, (2) a step of adding and mixing lubricating agent therewith and (3) a step of coating the resulting magnetic coating composition on a non-magnetic support.