US PATENT SUBCLASS 558 / 328
.~.~.~.~.~.~ Alkali metal containing material utilized

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {21}
303  DF  .~ Nitriles (i.e., compounds having cyano bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {21}
308  DF  .~.~ Processes for forming the cyano group {7}
318  DF  .~.~.~ Ammonia utilized {3}
319  DF  .~.~.~.~ And molecular oxygen or a molecular oxygen containing gas {2}
327  DF  .~.~.~.~.~ Acting on a benzene ring-containing compound {1}
328.~.~.~.~.~.~ Alkali metal containing material utilized

DEFINITION

Classification: 558/328

(under subclass 327) Processes wherein there is utilized a material that contains an alkali metal.

(1) Note. An example of a process provided for herein is the production of dicyanonaphthalene by the reaction of di-lower alkyl naphthalene, ammonia and oxygen is the presence of a supported akali-metal vanadium bronze catalyst.