US PATENT SUBCLASS 528 / 268
.~.~.~ Nitrogen-containing nonaldehyde or nonaldehyde derivative contains three or more nitrogen atoms bonded to the same carbon atom, e.g., dicyanodiamide, etc.

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}
230  DF  .~ FROM ALDEHYDE OR DERIVATIVE THEREOF AS REACTANT {12}
266  DF  .~.~ With nonaldehyde or nonaldehyde derivative nitrogen-containing compound {3}
268.~.~.~ Nitrogen-containing nonaldehyde or nonaldehyde derivative contains three or more nitrogen atoms bonded to the same carbon atom, e.g., dicyanodiamide, etc.

DEFINITION

Classification: 528/268

(under subclass 266) Subject matter wherein the nitrogen-containing reactant which is not an aldehyde or aldehyde derivative contains at least one carbon atom bonded to at least three nitrogen atoms.