Rubber additive granulate, a process for its preparation and its use
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United States of America Patent
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Aug 21, 2001
Grant Date -
N/A
app pub date -
Jun 26, 1998
filing date -
Jun 26, 1997
priority date (Note) -
In Force
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Abstract
The invention relates to an additive compositions for rubbers and rubber mixtures which contain at least one solid, powdery substance and at least one dispersant, the at least one additive substance being coated with the at least one dispersant. The compositions are present as granulate and are prepared by means of a multi-stage fluidized-bed process. The invention also relates to the use of the additive compositions in the preparation of rubber and products obtained using them.
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