US PATENT SUBCLASS 202 / 168
.~.~.~.~ Still and extractor


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

Internet Version by PATENTEC © 1999      Terms of Use



202 /   HD   DISTILLATION: APPARATUS

81  DF  APPARATUS {4}
82  DF  .~ Systems {6}
152  DF  .~.~ Separatory {3}
163  DF  .~.~.~ Still {13}
168.~.~.~.~ Still and extractor {1}
169  DF  .~.~.~.~.~> Continuous extraction


DEFINITION

Classification: 202/168

Associations of a still and a vessel in which a substance is removed from material by a solvent. The extract is then run into the still and distilled. Either the solvent or substance dissolved, or both, may be volatile.

SEE OR SEARCH THIS CLASS, SUBCLASS:

107, and 170.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids, appropriate subclass, for the separation of a liquid from a solid.

47, Plant Husbandry,

10, for plant source extraction of rosin or turpentine.

127, Sugar, Starch, and Carbohydrates,

3+, for apparatus for leaching sacchariferous material. 196, Mineral Oils: Apparatus,

14.52,.

208, Mineral Oils: Processes and Products,

311+,.

422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,

255+, for extracting apparatus.