Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Silicon containing or process of making
Patent
1993-05-24
1994-12-13
Dees, Carl F.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Silicon containing or process of making
502239, 502242, 502256, B01J 2104, B01J 2326
Patent
active
053729838
ABSTRACT:
A method for preparing silica, silica-chromium and silica-titanium-chromium polyolefin catalysts and catalyst supports wherein an alcohol-treated hydrogel is heated under partial oxidation conditions to reduce the carbon level to below about one weight percent prior to activation.
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Kitaguchi Joel L.
Moran Darvin R.
Mullen Jeffrey D.
Capria Mary Ann
Dees Carl F.
W. R. Grace & Co.,-Conn.
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