US PATENT SUBCLASS 106 / 169.1
.~.~.~.~.~ With nitrogen hetero ring compound (e.g., succinimide, caprolactam, piperazine, etc.)

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}
169.01  DF  .~.~.~.~ Cellulose nitrate {21}
169.1.~.~.~.~.~ With nitrogen hetero ring compound (e.g., succinimide, caprolactam, piperazine, etc.) {1}
169.11  DF  .~.~.~.~.~.~> The hetero ring is part of a polycyclo ring system (e.g., guanine, phthalimide, etc.)

DEFINITION

Classification: 106/169.1

With nitrogen hetero ring compound (e.g., succinimide, caprolactam, piperazine, etc.):

(under subclass 169.01) Compositions which contain an organic compound having a heterocyclic ring containing nitrogen as a hetero atom in addition to the cellulose nitrate.

SEE OR SEARCH THIS CLASS, SUBCLASS:

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

166.41, 170.1+, 173.01, and 200.2, for compositions containing cellulose xanthate, cellulose ester or salt, cellulose ether or salt, or a cellulosic material and nitrogen containing hetero ring.