US PATENT SUBCLASS 71 / 17
.~.~.~ Blood

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}
17.~.~.~ Blood

DEFINITION

Classification: 71/17

Animal matter from blood is the only type of animal matter present; other organic fertilizer values, except other animal derivatives such as are classified below may also be included.