Compositions – Etching or brightening compositions
Reexamination Certificate
2008-08-29
2011-11-15
Webb, Gregory (Department: 1761)
Compositions
Etching or brightening compositions
C438S492000, C510S175000, C216S089000, C051S308000
Reexamination Certificate
active
08057696
ABSTRACT:
This invention relates to compositions and methods for removing overfilled substrates, preferably at a relatively high removal rates. Advantageously, a composition according to the invention can contain an oxidizer, preferably a per-type oxidizer such as a peroxide, periodic acid, and peracetic acid, and may also optionally contain an abrasive.
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Chelle Philippe H.
Small Robert J.
Chase Geoffrey L.
Dodd John R.
DuPont Air Products NanoMaterials LLC
Hayden Christopher G.
Webb Gregory
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