US PATENT SUBCLASS 564 / 132
.~.~.~ Preparing directly from carbon monoxide or carbon dioxide

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
132.~.~.~ Preparing directly from carbon monoxide or carbon dioxide

DEFINITION

Classification: 564/132

(under subclass 123) Processes wherein a carboxamide is prepared by a reaction utilizing carbon monoxide or carbon dioxide.

(1) Note. This subclass contains for example, the reaction of an aliphatic alcohol with ammonia and carbon monoxide to prepare a formamide, or the reaction of an amine with carbon dioxide and hydrogen to prepare a formamide.