US PATENT SUBCLASS 252 / 301.23
.~.~.~ Triazines

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

301.16  DF  ORGANIC LUMINESCENT MATERIAL CONTAINING COMPOSITIONS {6}
301.21  DF  .~ Optical brightening compositions {6}
301.22  DF  .~.~ Heterocyclic compounds having an intercyclic acyclic methine linkage {2}
301.23.~.~.~ Triazines

DEFINITION

Classification: 252/301.23

(under subclass 301.22) Compositions in which the compound contains a six-membered ring consisting of three ring carbons and three ring nitrogens.