US PATENT SUBCLASS 564 / 468
.~.~.~ Preparing directly from ester, organic acid or salt, other than by reduction of nitrile

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}
468.~.~.~ Preparing directly from ester, organic acid or salt, other than by reduction of nitrile

DEFINITION

Classification: 564/468

(under subclass 463) Processes wherein the compounds are prepared directly from an ester or an organic acid or salt.

SEE OR SEARCH THIS CLASS, SUBCLASS:

490+, for the reduction of a nitrile to form an amino nitrogen compound.