Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1989-12-28
1991-10-08
Teskin, Fred
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526129, 526141, 526142, 526144, 526236, 526901, 526905, C08F 234, C08F 236
Patent
active
050555340
ABSTRACT:
Ethylene homopolymers or copolymers having a very low molecular weight are continuously prepared in a fluidized bed in the presence of high concentrations of hydrogen, while maintaining high catalyst activity, by means of a vanadium-based catalyst.
REFERENCES:
patent: 4302565 (1981-11-01), Goeke et al.
patent: 4302566 (1981-11-01), Karol et al.
patent: 4525547 (1985-06-01), Kato et al.
patent: 4710538 (1987-12-01), Jorgensen et al.
patent: 4851488 (1989-07-01), Burstain
Piscitello John S.
Teskin Fred
Union Carbide Chemicals and Plastics Technology Corporation
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