Joseph C Nnebedum

US Patent:

48426199, Jun 27, 1989

Filed:

Dec 11, 1987

Appl. No.:

7/131764

Inventors:

Peter J. Fritz - St. Louis Park MN
Joseph C. Nnebedum - Cottage Grove MN

Assignee:

Minnesota Mining and Manufacturing Company - St. Paul MN

International Classification:

B24D 1100

US Classification:

51295

Abstract:

An abrasive article for polishing glass and ceramic surfaces comprised of a combination of abrasive particles and inorganic glass polishing aid dispersed throughout a three-dimensional nonwoven fibrous web of organic material, and adhered therein by a resinous binder. The article is capable of refining a ground glass or ceramic surface to a highly polished surface faster than abrasive articles known in the art.