US PATENT SUBCLASS 504 / 155
.~.~.~ Hetero ring includes nitrogen

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}
150  DF  .~ Aquatic plant regulator (e.g., algicides, etc.) {7}
154  DF  .~.~ Hetero ring containing active ingredient {1}
155.~.~.~ Hetero ring includes nitrogen {1}
156  DF  .~.~.~.~> Hetero ring is five-membered (e.g., thiadiazoles, etc.)

DEFINITION

Classification: 504/155

Hetero ring includes nitrogen:

(under subclass 154) Compositions wherein the hetero ring

contains nitrogen as a ring member.

(1) Note. An example of a compound provided for herein is:

[figure]