US PATENT SUBCLASS 106 / 166.41
.~.~.~.~.~ The nitrogen is a member of a hetero ring

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}
166.01  DF  .~.~.~ Cellulose xanthate or viscose {8}
166.4  DF  .~.~.~.~ With organic compound containing nitrogen {2}
166.41.~.~.~.~.~ The nitrogen is a member of a hetero ring

DEFINITION

Classification: 106/166.41

The nitrogen is a member of a hetero ring:

(under subclass 166.4) Compositions wherein the nitrogen of the organic compound containing nitrogen is part of a hetero ring.

SEE OR SEARCH THIS CLASS, SUBCLASS:

163.01, (5) Note for the definition of hetero ring.

169.1+, 170.1+, 173.01, and 200.2, for compositions containing cellulose nitrate, cellulose ester or salt, cellulose ether or salt, or a cellulosic material and nitrogen containing hetero ring.