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. 22, 1995
Filed:
Dec. 21, 1993
Anthony S Scheibelhoffer, Norton, OH (US);
Dianna B Dusek, Oakwood Village, OH (US);
Dennis L Hammond, Richfield, OH (US);
Surachai Wimolkiatisak, Strongsville, OH (US);
William R Myers, Bryan, OH (US);
Robert J Opalko, Middleburg Heights, OH (US);
Richard L Abrams, North Royalton, OH (US);
The Ferro Corporation, Cleveland, OH (US);
Abstract
This invention relates to an abrasive composition comprising (a) a major amount of at least one abrasive powder, (b) at least one resin selected from the group consisting of a polymer of a diene, a rosin material, a coumarone-indene resin, and a mixture of two or more thereof, and (c) at least one copolymer of an olefin and an acrylate or a methacrylate. The abrasive composition may additionally include (d) a surface active agent. The abrasive composition may be added to a polymer or resin to form purge compositions. The invention also relates to methods of cleaning processing equipment and preparing the abrasive compositions and purge composition.