US PATENT SUBCLASS 68 / 18 R
.~.~ With solvent recovery


Current as of: June, 1999
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68 /   HD   TEXTILES: FLUID TREATING APPARATUS

3 R  DF  MACHINES {22}
13 R  DF  .~ Combined {6}
18 R.~.~ With solvent recovery {3}
18 C  DF  .~.~.~> Using condenser
18 D  DF  .~.~.~> Using decanter
18 F  DF  .~.~.~> Using filter {1}

Unofficial Alpha Subclasses: R C D F FA

DEFINITION

Classification: 68/18

Machines combined with means to reclaim and reuse a solvent.

(1) Note. The combined means is usually in a fluid circulating system including the machine and is a filter, centrifuge, still, dirt coagulator, or the like.

SEE OR SEARCH THIS CLASS, SUBCLASS:

1,

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids,

72+, and Class 55, Gas Separation.

100, Presses,

90+, for presses not elsewhere provided for, combined with means for separating various materials from one another. 196, Mineral Oils: Apparatus,

46+, for apparatus for purifying used oils.

202, Distillation: Apparatus, for distillation apparatus, in general.

203, Distillation: Processes, Separatory, appropriate subclasses, for distillation processes in general.

208, Mineral Oils: Processes and Products,

179, for processes of purifying used oils.