Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1977-11-14
1979-04-17
Smith, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526123, 526130, 526141, 526154, 526352, C08F 402, C08F 1002
Patent
active
041502086
ABSTRACT:
A new catalyst and method of making polymers therewith and the process of preparing the catalyst in which the catalyst is prepared by dispersing on a finely divided carrier material, particularly a difficultly reducible inorganic support such as silica, a reaction product of (1) a chromium carboxylate reactant and (2) an organic nitrogen cmpound reactant capable of forming a complex such as a chelate with the chromium and activating the resulting mixture by heating at an elevated temperature in a non-oxidizing atmosphere.
REFERENCES:
patent: 3953413 (1976-04-01), Hwang et al.
patent: 4041225 (1977-08-01), Pullukat
patent: 4053437 (1977-10-01), Liu et al.
Chemplex Company
Smith Edward J.
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