US PATENT SUBCLASS 585 / 843
.~.~ Ag

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

800  DF  PURIFICATION, SEPARATION, OR RECOVERY {7}
833  DF  .~ By addition of extraneous agent, e.g., solvent, etc. {15}
843.~.~ Ag {1}
844  DF  .~.~.~> By interaction with monoolefin

DEFINITION

Classification: 585/843

Ag:

(under subclass 833) Subject matter wherein an extraneous agent contains silver or a compound thereof.