Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1978-11-09
1980-05-20
Levin, Stanford M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
252429B, 252429C, 252431R, 526114, 526125, 5263482, 5263484, 526352, C08F 478
Patent
active
042040507
ABSTRACT:
.alpha.-olefins are polymerized with a catalyst prepared from (1) an inert support, (2) the reaction product of a tetravalent hydrocarbyloxy titanium halide such as di-n-butoxy titanium dichloride and hexavalent chromium oxide and (3) an organometal activating agent such as a tri alkyl aluminum.
REFERENCES:
patent: 3752795 (1973-08-01), Boone
patent: 3847957 (1974-11-01), Boone
Bressler Wilbur L.
Lowery, Jr. Kirby
Vance, Jr. Fred L.
Carter J. G.
Levin Stanford M.
The Dow Chemical Company
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