US PATENT SUBCLASS 544 / 192
.~.~.~.~ Cyanuric acid per se or salt thereof

Current as of: June, 1999
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544 /   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) {1}
1  DF  .~.~ Hetero ring is six-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazines, etc.) {6}
180  DF  .~.~.~ Triazines {11}
192.~.~.~.~ Cyanuric acid per se or salt thereof

DEFINITION

Classification: 544/192

(under subclass 180) Compounds termed cyanuric acid, which exists in two forms as shown by the equilibrium. [figure] [caption]`normal' cyanuric acid isocyanuric acid and salts thereof.

(1) Note. An example of a salt provided for herein is: [figure]