US PATENT SUBCLASS 564 / 511
.~.~.~ Plural amino nitrogens containing

Current as of: June, 1999
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564 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1  DF  .~ AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) {37}
463  DF  .~.~ Acyclic {16}
511.~.~.~ Plural amino nitrogens containing {1}
512  DF  .~.~.~.~> Three or more amino nitrogens containing

DEFINITION

Classification: 564/511

(under subclass 463) Compounds which contain more than one amino nitrogen.

(1) Note. This subclass contains, for example. H31C15[end subscrpt]CH2CH2[end subscrpt]CH3 [figure]