Structured abrasive with overlayer, and method of making and...

Details Structured abrasive with overlayer, and method of making and... Structured abrasive with overlayer, and method of making and...

2007-07-13

2011-10-18

Green, Anthony (Department: 1731)

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

C051S298000, C051S307000

Reexamination Certificate

active

08038750

ABSTRACT:
A structured abrasive article comprises a backing with a topographically structured abrasive layer secured thereto. The topographically structured abrasive layer comprises precisely-shaped abrasive composites. A solid overlayer comprising eroding particles with a Mohs scale hardness of at least 4 and a water-soluble polymer is disposed on at least a portion of the topographically structured abrasive layer. Methods of making and using the structured abrasive articles are also disclosed.

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Woo et al., “Structured Abrasive Article and Method of Making and Using the Same”, U.S. Appl. No. 11/380,444, filed Apr. 27, 2006.

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