Spray-dried, mixed metal ziegler catalyst compositions

Details Spray-dried, mixed metal ziegler catalyst compositions Spray-dried, mixed metal ziegler catalyst compositions

2008-03-25

2008-03-25

Choi, Ling-Sui (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S348000, C526S124300, C526S124200, C526S107000, C502S103000, C502S113000, C502S115000, C502S087000

Reexamination Certificate

active

10575740

ABSTRACT:
A Ziegler-Natta catalyst composition comprising a solid mixture formed by halogenation of: Al) a spray-dried catalyst precursor comprising the reaction product of a magnesium compound, a non-metallocene titanium compound, and at least one non-metallocene compound of a transition metal other than titanium, with A2) an organoaluminium halide halogenating agent, a method of preparing, precursors for use therein, and olefin polymerization processes using the same.

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patent: 0 783 007 (1997-07-01), None
patent: WO 93/11166 (1993-06-01), None
patent: WO 93/19100 (1993-09-01), None
A R Blythle et al.; Electrostatic spraying (A R Blythe, B Cooker, Petrochemicals & Plastics Division, Imperial Chemical Industries PLC); Research Disclosure Database No. 218028; ISSN 0374-4353; Kenneth Mason Publications Ltd; Westbourne, Hants; UK, Jun. 1982.

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