Multiple chromium compound-containing catalyst composition and o

Details Multiple chromium compound-containing catalyst composition and o Multiple chromium compound-containing catalyst composition and o

1989-11-09

1991-07-23

Schofer, Joseph L.

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

Catalyst or precursor therefor

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

502158, 502256, 502319, 526101, 526 96, 526 97, 526104, 526106, B01J 2104, B01J 2108, B01J 2326, C08F 424, C08F 416

Patent

active

050343645

ABSTRACT:
An olefin, particularly alpha-olefin, polymerization catalyst composition, supported on a refractory oxide support comprises two chromium specie: (1) CrO.sub.3 or any chromium compound calcinable to CrO.sub.3 ; and (2) at least one silylchromate compound. The composition is prepared by sequentially depositing specie (1) and (2) onto the same support.

REFERENCES:
patent: 2825721 (1958-03-01), Hogan et al.
patent: 3023203 (1962-02-01), Dye
patent: 3324095 (1967-06-01), Carrick et al.
patent: 3324101 (1967-06-01), Baker et al.
patent: 3622521 (1971-11-01), Hogan et al.
patent: 3704287 (1972-11-01), Johnson

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