Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2006-06-13
2006-06-13
Wu, David W. (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C524S300000, C524S322000, C427S215000
Reexamination Certificate
active
07060746
ABSTRACT:
The present invention is a method of producing a breathable film including producing an inorganic filler by treating particles of an inorganic particulate material comprising an alkaline earth metal carbonate compound by reaction with a hydrophobizing surface treatment agent comprising one or more aliphatic carboxylic acids having at least 10 chain carbon atoms to produce a hydrophobic coating on the particles including a classification step to result in an inorganic filler having a reduced level of interfering particles. The invention is also breathable polymeric films made using the novel filler.
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Calhoun Allison Anne
McConnell Anthony D.
Miller Charity W.
Mobley Gary R.
Shurling Dickey S.
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Hu Henry S.
Imerys Pigments, INc.
Wu David W.
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