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. 11, 2000
Filed:
Mar. 13, 1998
Applicant:
Inventors:
Daniel D Friel, Sr, Greenville, DE (US);
Daniel D Friel, Jr, Kennett Square, PA (US);
Robert P Bigliano, Wilmington, DE (US);
Assignee:
Edgecraft Corporation, Avondale, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B / ;
U.S. Cl.
CPC ...
451 45 ; 51298 ; 51295 ; 451282 ; 451293 ; 451541 ; 451548 ;
Abstract
An abrasive material contains abrasive particles in the range of 50 to 80% by weight in an olefinic thermalplastic resin system which is based on ethylene copolymer. The material may be incorporated on a substrate structure to be used as a stropping or honing material or may be shaped by an injection molding process or may be injection molded over a rigid insert or molded over a rigid wheel or disk inserted in the mold. The material may be used for polishing and finishing of crystalline materials, ceramics, silicon and semi-conductor wafers.