US PATENT SUBCLASS 504 / 190
.~.~ Heavy metal or aluminum containing

Current as of: June, 1999
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504 /   HD   PLANT PROTECTING AND REGULATING COMPOSITIONS

116  DF  PLANT GROWTH REGULATING COMPOSITIONS (E.G., HERBICIDES, ETC.) {9}
189  DF  .~ Organic active compound containing {19}
190.~.~ Heavy metal or aluminum containing {2}
191  DF  .~.~.~> Hetero ring containing
192  DF  .~.~.~> Group IV or V heavy metal (e.g., Sn, As, Ti, etc.)

DEFINITION

Classification: 504/190

Heavy metal or aluminum containing:

(under subclass 189) Compositions wherein the organic active compound contains aluminum or a metal having a specific gravity greater than four.

(1) Note. Arsenic is considered a heavy metal.