US PATENT SUBCLASS 106 / 170.44
.~.~.~.~.~.~ The nitrogen is single bonded directly to carbon of a -C(=X)- group (X is chalcogen)

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
162.1  DF  .~ Carbohydrate or derivative containing {15}
163.01  DF  .~.~ Cellulosic material {11}
168.01  DF  .~.~.~ Cellulose ester or salt thereof {21}
170.42  DF  .~.~.~.~ With organic compound containing nitrogen {1}
170.43  DF  .~.~.~.~.~ Chalcogen and nitrogen in the same compound {2}
170.44.~.~.~.~.~.~ The nitrogen is single bonded directly to carbon of a -C(=X)- group (X is chalcogen)

DEFINITION

Classification: 106/170.44

The nitrogen is single bonded directly to carbon of a -C(=X)- group (X is chalcogen):

(under subclass 170.43) Compositions wherein the organic nitrogen compound has the carbon of a -C(=X)- group single bonded directly to the nitrogen (X is oxygen, sulfur, selenium, or tellurium).