US PATENT SUBCLASS 71 / 22
.~.~.~ With other organic material

Current as of: June, 1999
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71 /   HD   CHEMISTRY: FERTILIZERS

1  DF  PROCESSES AND PRODUCTS {5}
11  DF  .~ Organic material-containing {6}
15  DF  .~.~ From animal matter {6}
22.~.~.~ With other organic material

DEFINITION

Classification: 71/22

(under subclass 15) Processes and products which include other organic values such as are classified hereinbelow.

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13, 20.