US PATENT SUBCLASS 106 / 169.13
.~.~.~.~.~.~ Plural oxygens in the hetero ring (e.g., dioxane, dioxene, 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}
169.12  DF  .~.~.~.~.~ With chalcogen hetero ring compound (e.g., lactone, maleic anhydride, furan, etc.) {1}
169.13.~.~.~.~.~.~ Plural oxygens in the hetero ring (e.g., dioxane, dioxene, etc.)

DEFINITION

Classification: 106/169.13

Plural oxygens in the hetero ring (e.g., dioxane, dioxene, etc.):

(under subclass 169.12) Compositions wherein the hetero ring has two or more oxygens as ring members.