Process for the gas-phase (co-)polymerisation of olefins in...

Details Process for the gas-phase (co-)polymerisation of olefins in... Process for the gas-phase (co-)polymerisation of olefins in...

2003-04-01

2009-02-10

Caldarola, Glenn (Department: 1797)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By addition of entire unsaturated molecules, e.g.,...

C585S522000, C585S523000, C585S524000, C526S125200, C526S125700, C526S144000

Reexamination Certificate

active

07488862

ABSTRACT:
The present invention relates to a process for the gas-phase (co-)polymerisation of olefins in a fluidised bed reactor using a Ziegler-Natta type catalyst characterised in that the polymerisation is performed in the presence of a monohalogenated hydrocarbon compound.

REFERENCES:
patent: 5990251 (1999-11-01), Gelus
patent: 6887957 (2005-05-01), Chabrand et al.
patent: 0 529 977 (1993-03-01), None
patent: 0 703 246 (1996-03-01), None
patent: WO 00/24789 (2000-05-01), None
patent: WO 00/58374 (2000-10-01), None
patent: WO 02/28919 (2002-04-01), None

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