Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1976-03-30
1977-12-27
Smith, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
252429B, 252431R, 252431P, 526114, 526121, 526129, 526352, C08F 402, C08F 1002
Patent
active
040656128
ABSTRACT:
An improved chromate ester catalyst useful for preparing, at relatively low temperatures, ethylene polymers which have a relatively lower molecular weight and which are more stable against oxidation is prepared by treating a silica supported chromate ester first with a phenol compound and then with a strong reducing agent.
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patent: 3493554 (1970-02-01), Rekers
patent: 3535297 (1970-10-01), Carrick et al.
patent: 3642749 (1972-02-01), Johnson et al.
Hamer Anthony David
Karol Frederick John
O'Connell James J.
Smith Edward J.
Union Carbide Corporation
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