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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.:

US 4923766 B1

PDFFull Text
Date of Patent:
May. 08, 1990

Filed:

Mar. 27, 1989

Process for preparing magnetic recording

Applicant:
Inventors:

Nobuyuki Hosoi, Kawasaki, JP;

Shigeru Hashimoto, Yokohama, JP;

Hiroshi Yoshida, Kawasaki, JP;

Yukio Watanabe, Machida, JP;

Yasuo Mukai, Yokohama, JP;

Michiko Yamamoto, Yamato, JP;

Assignee:

Canon Kabushiki Kaisha, Tokyo, JP;

Attorney:

Fitzpatrick, Cella, Harper & Scinto

Primary Examiner:

Bernard Pianalto

Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428694 ; 427 48 ; 427128 ; 427299 ; 428900 ;
Abstract

A process for preparing a magnetic recording medium by coating a magnetic coating material on a non-magnetic support and then drying the above magnetic coating material, which comprises imparting a magnetic field to said magnetic coating material with a magnet which rotates with the rotational surface at an angle of 5.degree. to 30.degree. relative to the surface of said support prior to drying of said magnetic coating material on said support.

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Hosoi, Nobuyuki. (1990). Process for preparing magnetic recording (U.S. Patent No. 4923766). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4923766

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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