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Patent
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B24D 3/00 (2006.01) B24D 3/28 (2006.01) B24D 3/34 (2006.01) B24D 11/00 (2006.01) B24D 11/04 (2006.01)
Patent
CA 2015720
Coated abrasive material for fine finishing applications including second fining ophthalmic application, having patterned surface coating of abrasive grains dispersed in radiation-cured adhesive binder. The patterned surface coating is defined by a plurality of formations of such abrasive/binder each having an inner bottom edge defining an area devoid of coated abrasive, a top edge defining a somewhat larger area devoid of coated abrasive and an inner wall connecting the top and bottom edges.
Coleman Ernest A.
Kaczmarek Wesley R.
Ravipati Sita Ramaiah
Rostoker David
Zador Eugene
Gowling Lafleur Henderson Llp
Norton Company
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