US PATENT SUBCLASS 106 / 174.1
.~.~.~.~ With chalcogen hetero ring compound

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}
172.1  DF  .~.~.~ Cellulose ether or salt thereof {19}
174.1.~.~.~.~ With chalcogen hetero ring compound {1}
174.2  DF  .~.~.~.~.~> The chalcogen in the ring is sulfur

DEFINITION

Classification: 106/174.1

With chalcogen hetero ring compound:

(under subclass 172.1) Compositions which contain in addition to the cellulose ether or salt thereof an organic compound having a hetero ring containing chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) as a hetero atom.

(1) Note. See this class, subclass 163.01, (5) Note for the definition of hetero ring.

SEE OR SEARCH THIS CLASS, SUBCLASS:

169.12+, and 170.12+, for compositions containing cellulose nitrate or cellulose ester or salt and chalcogen containing hetero ring.