US PATENT SUBCLASS 106 / 170.14
.~.~.~.~.~ Plural chalcogens in the 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}
168.01  DF  .~.~.~ Cellulose ester or salt thereof {21}
170.12  DF  .~.~.~.~ With chalcogen hetero ring compound {2}
170.14.~.~.~.~.~ Plural chalcogens in the hetero ring

DEFINITION

Classification: 106/170.14

Plural chalcogens in the hetero ring:

(under subclass 170.12) Compositions wherein the hetero ring has two or more chalcogens as ring members.