US PATENT SUBCLASS 564 / 129
.~.~.~.~ Acid hydrolysis only 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}
123  DF  .~.~ Carboxamides (i.e., Q-CO-HNH, wherein Q is a substituent having carbon bonded directly to the carbonyl or is hydrogen and wherein any substituent replacing one or both hydrogens shown will be referred to as E) {14}
124  DF  .~.~.~ Preparing directly from cyano containing compound {4}
129.~.~.~.~ Acid hydrolysis only of nitrile

DEFINITION

Classification: 564/129

(under subclass 124) Processes wherein the sole chemicl reaction for amide formation is the acid hydrolysis of a nitrile.

(1) Note. This subclass includes the combination of hydrolysis followed by purification or recovery.

SEE OR SEARCH THIS CLASS, SUBCLASS:

124, for processes including simultaneous acid hydrolysis combined with other reactions.