Abrasive tool making process – material – or composition – With synthetic resin
Reexamination Certificate
2007-03-27
2007-03-27
Marcheschi, Michael A. (Department: 1755)
Abrasive tool making process, material, or composition
With synthetic resin
C051S307000, C051S308000, C051S309000, C051S295000, C051S297000
Reexamination Certificate
active
10688833
ABSTRACT:
An antiloading composition includes a first organic compound. The compound has a water contact angle criterion that is less than a water contact angle for zinc stearate. The first compound also satisfies at least one condition selected from the group consisting of a melting point Tmeltgreater than about 40° C., a coefficient of friction F less than about 0.3, and an antiloading criterion P greater than about 0.3. Another embodiment includes a second organic compound, having a different water contact angle from that of the first organic compound. The composition has a particular water contact angle W°pthat is determined, at least in part, by the independent W°gof each compound and the proportion of each compound in the composition. Also, an abrasive product includes the antiloading composition. A method of grinding a substrate is disclosed that includes employing effective amount of an antiloading composition. Further disclosed is a method of selecting an antiloading compound.
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Nevoret Damien C.
Swei Gwo S.
Yang Patrick
Hamilton Brook Smith & Reynolds P.C.
Marcheschi Michael A.
Saint-Gobain Abrasives, Inc.
Sullivan, Esq. Joseph P.
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