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:
Nov. 05, 2002
Filed:
Feb. 26, 1999
Applicant:
Inventors:
Scott R. Culler, Burnsville, MN (US);
John J. Gagliardi, Hudson, WI (US);
Thomas W. Larkey, Hugo, MN (US);
Eric G. Larson, Lake Elmo, MN (US);
Larry L. Martin, Maplewood, MN (US);
Jeffrey W. Nelson, Bayport, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24D 3/34 ;
U.S. Cl.
CPC ...
B24D 3/34 ;
Abstract
This invention pertains to a coated, bonded or non-woven abrasive article containing precisely shaped particles and a binder. These precisely shaped particles can contain abrasive grits, fillers, grinding aids and lubricants. The binder is preferably a mixture of a resole phenolic resin and a free radical curable resin, resulting in improved cutting and life span. Also disclosed is a method of forming the coated, bonded or non-woven abrasive article.