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:
Jan. 16, 1979
Filed:
Dec. 29, 1976
Yoshito Mukaida, Odawara, JP;
Yasuyuki Yamada, Odawara, JP;
Shinichi Hirayama, Sagamihara, JP;
Hiroshi Suzuki, Tokyo, JP;
Yutaka Asakawa, Tokyo, JP;
Fuji Photo Film Co., Ltd., Minami-ashigara, JP;
Asahi Denka Kogyo K.K., Tokyo, JP;
Abstract
A process for producing a magnetic recording medium with a magnetic recording layer comprising coating a magnetic coating composition comprising mainly a ferromagnetic powder, a binder, and a predominantly aqueous coating solvent on a nonmagnetic support and then drying, wherein the binder contains a water-soluble or water-dispersible amide compound. In a particularly preferred embodiment, the binder also contains an epoxy compound containing on the average one or more adjacent epoxy groups in the molecule.