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:
Jul. 12, 1988
Filed:
Oct. 17, 1986
Applicant:
Inventors:
Nobutaka Yamaguchi, Odawara, JP;
Eiichi Tadokoro, Odawara, JP;
Assignee:
Fuji Photo Film Co., Ltd., , JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428323 ; 428329 ; 428336 ; 428694 ; 428900 ;
Abstract
An abrasive tape comprises a flexible non-magnetic substrate, and an abrasive coating film essentially consisting of an abrasive material, a binder and an additive kneaded together and applied onto the flexible non-magnetic substrate. The abrasive material has a Mohs hardness of 6 or higher, and the binder essentially consists of a vinyl chloride-vinyl acetate copolymer, a prepolymer having an isocyanate group at a terminal, and an organic amine.