US PATENT SUBCLASS 106 / 287.2
.~ Heterocyclic (only N, O, S, Se, Te)

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
287.2.~ Heterocyclic (only N, O, S, Se, Te) {2}
287.21  DF  .~.~> Two hetero ring atoms
287.22  DF  .~.~> Epoxy ring containing

DEFINITION

Classification: 106/287.2

Heterocyclic (only N, O, S, Se, Te):

(under subclass 1.05) COATING OR PLASTIC COMPOSITIONS (unnumbered subclass preceding ... ) which contain a ring whose members are composed solely of at least one carbon and one or more atoms of the elements nitrogen, oxygen, sulfur, selenium, and tellurium.