Abrasive tool making process – material – or composition – With synthetic resin
Reexamination Certificate
2008-03-18
2008-03-18
Marcheschi, Michael (Department: 1793)
Abrasive tool making process, material, or composition
With synthetic resin
C051S295000, C051S307000, C051S308000, C051S309000, C451S028000, C451S539000
Reexamination Certificate
active
07344575
ABSTRACT:
A curable composition comprises epoxy resin preparable by reaction of epichlorohydrin with at least one of bisphenol A or bisphenol F, polyfunctional urethane(meth)acrylate, dicyandiamide and photoinitiator. The curable composition is useful for preparing treated backings and coated abrasive articles.
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Berg Gregory A.
Keipert Steven J.
Kincaid Don H.
McArdle James L.
Nery Marcos R.
3M Innovative Properties Company
Marcheschi Michael
Wright Bradford B.
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