C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 2/34 (2006.01) B01J 3/02 (2006.01) B01J 8/00 (2006.01) B01J 8/24 (2006.01) B01J 19/26 (2006.01) C08F 10/00 (2006.01)
Patent
CA 2066575
A process for feeding a powdery catalyst with a gas intermittently to a high- pressure fluidized bed reactor for the vapor phase polymerisation of olefin, wherein the cross section of a catalyst feed pipe is reduced midway through the pipe to thereby make continuous catalyst feed possible and prevent the formation of a lump polymer.
Kubo Kunimichi
Morikawa Masatoshi
Watanabe Motokazu
Yamaguchi Yoshihisa
Yoshikawa Mamoru
Gowling Lafleur Henderson Llp
Nippon Petrochemicals Company Limited
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