US PATENT SUBCLASS 71 / 6
.~ Bacterial


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

1  DF  PROCESSES AND PRODUCTS {5}
6.~ Bacterial {2}
7  DF  .~.~> Nitrogen fixing or nitrifying
8  DF  .~.~> Fermentation {2}


DEFINITION

Classification: 71/6

This subclass and those indented hereunder include fertilizer products and the methods of making them, which involve the use and action of enzymes or bacteria.