Disproportionation catalyst and process

Details Disproportionation catalyst and process Disproportionation catalyst and process

1989-03-30

1990-05-15

Garvin, Patrick P.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

502117, 585643, B01J 3114

Patent

active

049258222

ABSTRACT:
This invention relates to a catalyst composition prepared by reacting in a hydrocarbon solvent a molybdenum or tungsten halide with siloxyalane selected from [(CH.sub.3 CH.sub.2).sub.2 AlO].sub.2 SiR.sub.2 and (R'.sub.3 SiO).sub.2 AlCH.sub.2 CH.sub.3 wherein R and R' are aryl or C.sub.1 -C.sub.5 alkyl. Preferably the halide is tungsten hexachloride, R is phenyl and R' is ethyl. The instant compositions are particularly useful as olefin disproportionation catalysts.

REFERENCES:
patent: 3966637 (1976-06-01), Witte et al.
patent: 4020254 (1977-04-01), Ofstead
patent: 4137390 (1979-01-01), Ofstead
patent: 4388219 (1983-06-01), Bujadoux
patent: 4837188 (1989-06-01), Laval et al.

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