US PATENT SUBCLASS 504 / 328
.~.~.~.~ Nitrogen or -C(=X)- attached directly to urea or thiourea nitrogen by nonionic bonding (e.g., biurets, semicarbazones, etc.)

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}
326  DF  .~.~ Containing nitrogen, other than as nitro or nitroso, attached directly or indirectly to carbon by nonionic bonding {7}
327  DF  .~.~.~ Ureas or thioureas (i.e., HNH-C(=X)-HNH, wherein X is oxygen or sulfur and substitution may be made for hydrogen only) {3}
328.~.~.~.~ Nitrogen or -C(=X)- attached directly to urea or thiourea nitrogen by nonionic bonding (e.g., biurets, semicarbazones, etc.)

DEFINITION

Classification: 504/328

Nitrogen or -C(=X)- attached directly to urea or thiourea nitrogen by nonionic bonding (e.g., biurets, semicarbazones,

etc.):

(under subclass 327) Compositions wherein a urea or thiourea nitrogen is attached directly to nitrogen or -C(=X)- by nonionic bonding.

(1) Note. Examples of compounds provided for herein are: [figure]