US PATENT SUBCLASS 196 / 46
Current as of: June, 1999
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(under the class definition) Apparatus peculiarly adapted for the separation of impurities or nonmineral oil components from mineral oils.
(1) Note. The apparatus classified herein provides for the most part for apparatus for treating mineral oils with chemicals to separate or remove nonmineral oil components therefrom.
SEE OR SEARCH THIS CLASS, SUBCLASS:
14.5, for apparatus used to dewax mineral oils.
14.52, for apparatus specially adapted to extract mineral
oils with solvents.
SEE OR SEARCH CLASS 62, Refrigeration, appropriate subclass, for apparatus for refining by refrigeration alone.
96, Gas Separation: Apparatus, for apparatus for gas separation.
201, Distillation: Processes, Thermolytic, appropriate subclass, for a thermolytic distillation process including recovery of oil.
202, Distillation: Apparatus, for apparatus for separating components of a nonmineral oil mixture by distillation.
203, Distillation: Processes, Separatory, appropriate subclass, for a process of separating components of a nonmineral oil mixture by distillation.
208, Mineral Oils: Processes and Products,
177, for processes of refining mineral oils.
210, Liquid Purification or Separation, appropriate subclass for processes and apparatus for purifying nonmineral oil liquids and for filters and decanting devices.
261, Gas and Liquid Contact Apparatus, appropriate subclass, for gas-liquid scrubbing devices.
422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,
252, for chemical apparatus in general.
494, Imperforate Bowl: Centrifugal Separators, appropriate subclasses, for a separator of that class, as explained in the search note to that class appearing in the definition of this class (196).