US PATENT SUBCLASS 536 / 39
.~.~.~.~.~.~.~ Comminuting

Current as of: June, 1999
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536 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1.11  DF  .~ Carbohydrates or derivatives {15}
18.7  DF  .~.~ Nitrogen containing {13}
30  DF  .~.~.~ Cellulose derivatives {3}
32  DF  .~.~.~.~ Esters {3}
35  DF  .~.~.~.~.~ Nitrates {3}
38  DF  .~.~.~.~.~.~ Subsequent treatment process {4}
39.~.~.~.~.~.~.~ Comminuting

DEFINITION

Classification: 536/39

(under subclass 38) Processes which include physically subdividing units of cellulose nitrate to form smaller particles.

(1) Note. The processes of this subclass include formation or treatment in addition to the comminuting.

SEE OR SEARCH CLASS

241, Solid Material Comminution or Disintegration, for comminuting, per se.