Porous inorganic catalyst support
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United States of America Patent
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Jun 22, 1999
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N/A
app pub date -
May 1, 1997
filing date -
May 1, 1996
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Abstract
Olefin polymerisation catalyst on a porous inorganic support comprising (i) 99.5 to 83.3 parts by weight of SiO.sub.2, (ii) 0.5 to 10 parts by weight of Titanium and 0.85 to 1.15 parts by weight of chromium, this catalyst having a pore volume of 0.9 to 1.15 cc/g, a surface area of 440 to 540 m.sup.2 /g and a mean pore diameter of between 70 and 100 Angstroms.
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