US PATENT SUBCLASS 504 / 188
.~ Inorganic active ingredient is elemental nitrogen, elemental sulfur, or is a compound of nitrogen or sulfur

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}
188.~ Inorganic active ingredient is elemental nitrogen, elemental sulfur, or is a compound of nitrogen or sulfur

DEFINITION

Classification: 504/188

Inorganic active ingredient is elemental nitrogen, elemental sulfur, or is a compound of nitrogen or sulfur:

(under subclass 116) Compositions wherein an inorganic active ingredient is elemental nitrogen, elemental sulfur, or is a compound of nitrogen or sulfur.