Granulate composition of antiblocking agents and additives for polymer production

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United States of America Patent

PATENT NO 6569933
SERIAL NO

09673875

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Abstract

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The invention comprises a granulate comprising a) a micronized silicic acid gel (A) with an average particle size from 2 to 15 microns, a specific pore volume from 0.3 to 2.0 ml/g, a specific surface (BET) from 200 to 1000 m.sup.2 /g, in a concentration from 5 to 60% by weight or b) a hydrated or dehydrated aluminosilicate (B) which contains sodium and/or potassium and/or calcium cations, with a particle size between 1 and 25 microns in a concentration from 5 to 75% by weight and c) an organic additive composition (C) in a concentration from 25 to 95% by weight, but at least 5% more (measured by the oil adsorption process) than that which is necessary to fill all pores of the silicic acid and the spaces between the silicic acid particles and the aluminosilicate and the aluminosilicate particles.

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Patent Owner(s)

Patent OwnerAddress
GRACE GMBH & CO KGIN DER HOLLERHECKE WORMS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schmidt, Andreas Mannheim, DE 466 8023
Sturm, Andreas Osthofen, DE 4 51
Tonnvik, Mats Rydebaeck, SE 1 7
van, Essche Gonda Worms, DE 4 14

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