US PATENT SUBCLASS 528 / 266
.~.~ With nonaldehyde or nonaldehyde derivative nitrogen-containing compound

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.~.~ With nonaldehyde or nonaldehyde derivative nitrogen-containing compound {3}
267  DF  .~.~.~> Nitrogen-containing nonaldehyde or nonaldehyde derivative contains a nitrile group
268  DF  .~.~.~> Nitrogen-containing nonaldehyde or nonaldehyde derivative contains three or more nitrogen atoms bonded to the same carbon atom, e.g., dicyanodiamide, etc.
269  DF  .~.~.~> Nitrogen-containing nonaldehyde or nonaldehyde derivative contains a single organic amine group

DEFINITION

Classification: 528/266

(under subclass 230) Subject matter wherein an aldehyde or aldehyde derivative is reacted with at least one nitrogen-containing reactant and which nitrogen-containing reactant is not an aldehyde or aledhyde derivative.