US PATENT SUBCLASS 203 / 52
.~.~ Mixtures of hydrocarbons

Current as of: June, 1999
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203 /   HD   DISTILLATION: PROCESSES, SEPARATORY

50  DF  ADDING MATERIAL TO DISTILLAND EXCEPT WATER OR STEAM PER SE {2}
51  DF  .~ At least two materials {3}
52.~.~ Mixtures of hydrocarbons

DEFINITION

Classification: 203/52

(under subclass 51) Processes in which a mixture of hydrocarbons is added.

(1) Note. Benzine, gasoline and kerosene are examples of hydrocarbon mixtures.

SEE OR SEARCH CLASS

208, Mineral Oils: Processes and Products,

14+, for mineral oil mixtures.