US PATENT SUBCLASS 95 / 274
.~ Through particulate solids

Current as of: June, 1999
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95 /   HD   GAS SEPARATION: PROCESSES

273  DF  FILTERING {7}
274.~ Through particulate solids {2}
275  DF  .~.~> Moving bed
276  DF  .~.~> With cleaning of filter bed

DEFINITION

Classification: 95/274

Through particulate solids:

(under subclass 273) Process in which the mass comprises a plurality of small, distinct, separate, nonfilamentous solids.

SEE OR SEARCH CLASS

55, Gas Separation,

512+, for filtering apparatus including means for securing or retaining a mass of particulate solids during use as a filter medium.