US PATENT SUBCLASS 558 / 320
.~.~.~.~.~ Acting on a compound containing acyclic or alicyclic carbon to carbon unsaturation

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

Internet Version by PATENTEC © 1999      Terms of Use


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}
320.~.~.~.~.~ Acting on a compound containing acyclic or alicyclic carbon to carbon unsaturation {4}
321  DF  .~.~.~.~.~.~> Niobium, tantalum, silver, sulfur, ruthenium, rhodium, palladium, osmium, iridium, or platinum containing material utilized
322  DF  .~.~.~.~.~.~> Tellurium containing material utilized
323  DF  .~.~.~.~.~.~> Molybdenum containing material utilized {1}
325  DF  .~.~.~.~.~.~> Antimony containing material utilized {1}

DEFINITION

Classification: 558/320

(under subclass 319) Processes wherein a reactant contains acyclic or alicyclic carbon to carbon unsaturation.

(1) Note. An example of a process provided for herein is the production of acrylonitrile by the reaction of propylene, oxygen and ammonia in the presence of a catalyst.