Clay mineral products and their use in a rubber compositions
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United States of America Patent
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Issued Date -
Dec 9, 2004
app pub date -
Aug 9, 2004
filing date -
Jul 18, 2001
priority date (Note) -
Abandoned
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Abstract
The invention provides the use of a particulate kaolin clay which: (i) has a particle size distribution such that at least about 95% by volume of the particles have a particle diameter less than 3 .mu.m, and/or (ii) is selected from a particulate soak calcined kaolin, a particulate flash calcined kaolin, and any mixture thereof; as a filler, optionally in combination with silica and/or carbon black and/or other particulate filler, in a rubber composition, more particularly a truck or passenger tyre tread rubber composition.
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