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:
Oct. 03, 1995
Filed:
Feb. 05, 1992
Applicant:
Inventors:
Richard J Cosmano, St. Paul, MN (US);
Ernest J Duwell, St. Paul, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B / ; B24D / ;
U.S. Cl.
CPC ...
451526 ; 51295 ; 51298 ; 451533 ;
Abstract
Coated abrasive article comprising a backing bearing on at least one major surface thereof erodable agglomerates and abrasive grains, wherein the erodable agglomerates consist essentially of a grinding aid, and optionally, a binder. The erodable agglomerates can be above, between, or beneath the abrasive grains, or the erodable agglomerates can be above, between, and beneath the abrasive grains. The coated abrasive article of this invention utilizes a higher level of grinding aid than coated abrasive articles of the prior art.