US PATENT SUBCLASS 62 / 632
.~.~.~ Liquid contact


Current as of: June, 1999
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62 /   HD   REFRIGERATION

600  DF  CRYOGENIC TREATMENT OF GAS OR GAS MIXTURE {4}
617  DF  .~ Separation of gas mixture {3}
618  DF  .~.~ Natural gas {5}
632.~.~.~ Liquid contact {3}
633  DF  .~.~.~.~> Dehydrating
634  DF  .~.~.~.~> Expansion
635  DF  .~.~.~.~> Plural contact columns


DEFINITION

Classification: 62/632

Liquid contact:

(under subclass 618) Subject matter wherein a constituent of the gas mixture is separated by direct contact with a treating liquid.