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

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.