C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
252/103, 402/385
C08F 4/22 (2006.01) C08F 10/00 (2006.01)
Patent
CA 1164435
ABSTRACT OF THE DISCLOSURE Large pore volume ( > 1.4 cc/g) silica is obtained by slowly drying an acidic (pH < 3.5) silica hydrogel. The gel is useful in connection with chromium as an ethylene polymerization catalyst.
368078
Mcdaniel Max P.
Meister John J.
Osler Hoskin & Harcourt Llp
Phillips Petroleum Company
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