US PATENT SUBCLASS 71 / 6
.~ Bacterial

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.