US PATENT SUBCLASS 203 / 63
.~.~ Alcohol or ether

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}
57  DF  .~ Organic compound {8}
63.~.~ Alcohol or ether {3}
64  DF  .~.~.~> Polyhydroxy alcohol or ether derivative thereof
65  DF  .~.~.~> Hydroxy aromatic (e.g., Phenol)
66  DF  .~.~.~> Methanol

DEFINITION

Classification: 203/63

(under subclass 57) Processes in which the compound is an alcohol or an ether.

(1) Note. As used in this and indented subclasses the term "alcohol" includes the monohydroxy and polyhydroxy organic compounds such as: butanol, glycol, glycerol, sorbitol, cyclohexanol, phenol, (ROH).

(2) Note. As used in this and indented subclasses the term "ether" includes organic compounds in which the hydrogen of at least one alcohol group has been replaced by a hydrocarbon radical.

SEE OR SEARCH THIS CLASS, SUBCLASS:

57, for a process using a mercaptan (thiol alcohol) or an organic sulfide (thiol ether) without other significant groups.

59, for a process in which the added material is an amino alcohol.