US PATENT SUBCLASS 568 / 454
.~.~.~.~.~.~ Group VA element (N, P, As, Sb, or Bi) containing material utilized (e.g., arsenic containing ligand utilized, etc.)

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {4}
300  DF  .~ OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) {11}
420  DF  .~.~ Aldehydes {8}
448  DF  .~.~.~ Acyclic {4}
449  DF  .~.~.~.~ Processes {14}
451  DF  .~.~.~.~.~ Hydroformylation by reacting ethylenically unsaturated compound, carbon monoxide, and gaseous hydrogen {4}
454.~.~.~.~.~.~ Group VA element (N, P, As, Sb, or Bi) containing material utilized (e.g., arsenic containing ligand utilized, etc.) {1}
455  DF  .~.~.~.~.~.~.~> Nitrogen containing material utilized

DEFINITION

Classification: 568/454

(under subclass 451) Processes wherein a material containing nitrogen, phosphorus, arsenic, antimony, or bismuth is utilized in the hydroformylation reaction in any way, e.g., as a catalyst, solvent, etc.