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:
Aug. 17, 1993
Filed:
Nov. 30, 1990
Somar Corporation, Tokyo, JP;
Abstract
An abrasive film is disclosed, which comprises a film substrate having an abrasive layer on at least one side thereof, wherein said abrasive layer comprises abradant particles uniformly dispersed in at least one binder selected from water-soluble macromolecular substances and water-dispersible macromolecular substances, and a method for the production thereof is disclosed, which comprises: applying to at least one side of a film substrate a coating liquid, which is prepared by dispersing the abradant into an aqueous medium containing at least one binder selected from water-soluble macromolecular substances and water-dispersible macromolecular substances; or prepared by mixing the abradant and at least one binder selected from water-soluble macromolecular substances and water-dispersible macromolecular substances with an aqueous medium, and then drying the coated abrasive layer by heating.