US PATENT SUBCLASS 549 / 368
.~.~.~.~.~.~ Trioxane per se

Current as of: June, 1999
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549 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
*  DD  .~ HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM, OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS (Class 540, subclass 1) {2}
200  DF  .~.~ Oxygen containing hetero ring (e.g., dioxirane, etc.) {16}
356  DF  .~.~.~ The hetero ring is six-membered {9}
357  DF  .~.~.~.~ Plural ring oxygens in the hetero ring (e.g., 1,2-dioxin, etc.) {4}
367  DF  .~.~.~.~.~ Three or more ring oxygens in the hetero ring {1}
368.~.~.~.~.~.~ Trioxane per se

DEFINITION

Classification: 549/368

(under subclass 367) The compound which has the following

structure: [figure]

(1) Note. This subclass provides for trioxane, per se, and processes for the production, purification, separation, etc., of trioxane.