Geminally disubstituted olefin-carbon monoxide-ethylene...

Details Geminally disubstituted olefin-carbon monoxide-ethylene... Geminally disubstituted olefin-carbon monoxide-ethylene...

2005-03-08

2005-03-08

Choi, Ling-Siu (Department: 1713)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S055000, C524S502000

Reexamination Certificate

active

06864319

ABSTRACT:
The invention is related to a geminally disubstituted olefin-carbon monoxide-ethylene polymer. The invention is also related to a method for preparing geminally disubstituted olefin-carbon monoxide-ethylene polymers by reacting a geminally disubstituted olefin feed, a carbon monoxide feed and an ethylene feed under free radical polymerization conditions. The invention is further related to a geminally disubstituted olefin-carbon monoxide-ethylene-X polymer, where monomer X is a free radical polymerizable monomer. The invention is also directed to a method for preparing geminally disubstituted olefin-carbon monoxide-ethylene-X polymers by reacting a geminally disubstituted olefin feed, a carbon monoxide feed, an ethylene feed and a feed containing monomer X under free radical polymerization conditions. The polymers of the invention are useful as polyvinyl chloride plasticizers.

REFERENCES:
patent: 3929700 (1975-12-01), Tybus et al.
patent: 4804738 (1989-02-01), Drent
patent: 5278236 (1994-01-01), Case et al.
patent: 0 264 159 (1988-04-01), None

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