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,
