US PATENT SUBCLASS 585 / 832
.~ Polymerization and depolymerization


Current as of: June, 1999
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585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

800  DF  PURIFICATION, SEPARATION, OR RECOVERY {7}
832.~ Polymerization and depolymerization


DEFINITION

Classification: 585/832

Polymerization and depolymerization:

(under subclass 800) Subject matter which includes a step of chemically condensing olefinic molecules in the hydrocarbon mixture followed, usually after filtration or gravitational separation, by depolymerization of the condensed material.

SEE OR SEARCH CLASS

203, Distillation: Processes, Separatory,

30, for a separation process which includes polymerization of an unsaturated component followed by distillation.