US PATENT SUBCLASS 528 / 123
.~.~.~.~.~.~ Nitrogen reactant having at least one amino-nitrogen atom contains three or more nitrogen atoms

Current as of: June, 1999
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528 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {23}
86  DF  .~ FROM PHENOL, PHENOL ETHER, OR INORGANIC PHENOLATE {15}
87  DF  .~.~ From 1,2-epoxy-containing phenolic reactant or with 1,2-epoxy-containing reactant {12}
106  DF  .~.~.~ With at least one nonepoxy or nonphenolic reactant {9}
119  DF  .~.~.~.~ Non-1,2-epoxy or nonphenolic reactant contains one or more nitrogen atoms {2}
121  DF  .~.~.~.~.~ Nitrogen reactant contains at least one amino-nitrogen atom {3}
123.~.~.~.~.~.~ Nitrogen reactant having at least one amino-nitrogen atom contains three or more nitrogen atoms

DEFINITION

Classification: 528/123

(under subclass 121) Subject matter wherein the non-1, 2-epoxy or nonphenolic reactant which has an amino-nitrogen atom contains at least three nitrogen atoms.

(1) Note. In counting the number of nitrogen atoms, the nonamino groups are counted toward the number of nitrogen atoms required to meet the requisite number of three or more nitrogen atoms.