US PATENT SUBCLASS 62 / 626
.~.~.~.~ Solid sorption

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}
620  DF  .~.~.~ Distillation {9}
626.~.~.~.~ Solid sorption

DEFINITION

Classification: 62/626

Solid sorption:

(under subclass 620) Subject matter wherein a constituent is extracted by adsorption or absorption by a solid substance.

SEE OR SEARCH CLASS

95, Gas Separation: Processes,

90+, for processes of gas separation by solid sorption, per se.