US PATENT SUBCLASS 504 / 140
.~.~.~ Oxygen containing hetero ring

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}
118  DF  .~ Plural active ingredients {7}
129  DF  .~.~ Hetero ring containing active ingredient {3}
140.~.~.~ Oxygen containing hetero ring

DEFINITION

Classification: 504/140

Oxygen containing hetero ring:

(under subclass 129) Compositions wherein the hetero ring has oxygen as a ring member.