US PATENT SUBCLASS 558 / 335
.~.~.~ The organic compound contains an acyclic or alicyclic carbon to carbon double bond

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}
332  DF  .~.~ Processes of attaching cyano to carbon by reaction of an inorganic cyanide with an organic compound (e.g., using HCN, cyanogen, metal cyanide, ammonium cyanide, cyanogen chloride, etc.) {10}
335.~.~.~ The organic compound contains an acyclic or alicyclic carbon to carbon double bond {6}
336  DF  .~.~.~.~> Cyanogen or cyanogen halide utilized
337  DF  .~.~.~.~> The organic compound contains halogen bonded directly to carbon
338  DF  .~.~.~.~> Organic material which contains phosphorus, arsenic, or antimony, in addition to nickel, utilized (e.g., zero-valent nickel complexes, etc.)
339  DF  .~.~.~.~> Cobalt, copper, silver, or gold containing material utilized
340  DF  .~.~.~.~> Ruthenium, rhodium, palladium, osmium, iridium, or platinum containing material utilized
341  DF  .~.~.~.~> The organic compound contains a carbonyl (e.g., ketene, etc.)

DEFINITION

Classification: 558/335

(under subclass 332) Processes wherein an acyclic or clicyclic carbon to carbon double bond is present in the organic compound.

(1) Note. An example of a process provided for herein is: the production of propionitrile by the reaction of ethylene and HCN in the presence of nickel cyanide.