US PATENT SUBCLASS 106 / 170.12
.~.~.~.~ With chalcogen hetero ring compound


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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.~.~.~.~ With chalcogen hetero ring compound {2}
170.13  DF  .~.~.~.~.~> Three-membered hetero ring (e.g., epichlorohydrin, epoxide, etc.)
170.14  DF  .~.~.~.~.~> Plural chalcogens in the hetero ring


DEFINITION

Classification: 106/170.12

With chalcogen hetero ring compound:

(under subclass 168.01) Compositions which contain in addition to the cellulose ester or salt thereof an organic compound having a hetero ring containing chalcogen (i.e., oxygen, sulfur, selenium, and 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 174.1+, for compositions containing cellulose nitrate or cellulose ether or salt and chalcogen containing hetero ring.