Tetravalent chromium alkoxide polymerization catalyst and method

Details Tetravalent chromium alkoxide polymerization catalyst and method Tetravalent chromium alkoxide polymerization catalyst and method

1975-08-22

1977-04-05

Holler, Alan

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252431R, 526106, 526130, 526154, 526172, C08F 478, C08F 1000

Patent

active

040163431

ABSTRACT:
A catalyst for polymerizing one or more 1-olefins prepared by activating with a dry gas that contains oxygen a mixture of a finely divided support and a tetravalent alkoxide of chromium. The disclosure also includes the method of making the catalyst and methods of polymerizing olefins with the catalyst.

REFERENCES:
patent: 3285891 (1966-11-01), Aftandilian
patent: 3326877 (1967-06-01), Orzechowski et al.
patent: 3642749 (1972-02-01), Johnson et al.
patent: 3694422 (1972-09-01), Long
patent: 3862104 (1975-01-01), Witt

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