US PATENT SUBCLASS 544 / 180
.~.~.~ Triazines


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.~.~.~ Triazines {11}
181  DF  .~.~.~.~> Heavy metal or aluminum containing
182  DF  .~.~.~.~> Asymmetrical (e.g., 1, 2, 4-triazines, etc.) {1}
185  DF  .~.~.~.~> Hexamethylenetetramines {1}
187  DF  .~.~.~.~> Anthrone or anthraquinone containing {2}
190  DF  .~.~.~.~> Cyanuric chloride or dichloroisocyanuric acid salt {1}
192  DF  .~.~.~.~> Cyanuric acid per se or salt thereof
193  DF  .~.~.~.~> Trimerization process to form the triazine ring
193.1  DF  .~.~.~.~> Stilbene containing {1}
194  DF  .~.~.~.~> Substituent nitrogen bonded directly to carbon of the triazine ring {5}
214  DF  .~.~.~.~> Phosphorus containing
215  DF  .~.~.~.~> Chalcogen or halogen containing substituent {1}


DEFINITION

Classification: 544/180

(under subclass 1) Compounds wherein the six-membered hetero ring consists of three ring nitrogens and three ring carbons.

(1) Note. This subclass contains, for example: [figure]