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:
Feb. 13, 1996
Filed:
May. 15, 1995
Applicant:
Inventors:
Richard M Pihl, Cottage Grove, MN (US);
Duane J Hayes, Ellsworth, WI (US);
Loren L Barber, Jr, Lake Elmo, MN (US);
Dennis G Welygan, Woodbury, MN (US);
R Eugene Hardwick, Maplewood, MN (US);
Ronald O Zemke, deceased, late of White Bear Lake, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
D07G / ;
U.S. Cl.
CPC ...
428373 ; 428374 ; 428372 ; 428370 ; 51298 ; 51299 ; 528 76 ;
Abstract
An abrasive filament, including a thermoplastic elastomer having abrasive particles dispersed and adhered therein, exhibits improved life over previously known abrasive-filled polymeric filaments. Methods of making abrasive filaments of the invention, articles including the abrasive filaments, and methods of abrading surfaces using the abrasive articles of the invention are also described.