3830858

Information

• Patent Grant
• 3830858

• References
• Source

• Patent Number

  3,830,858

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1974
  50 years ago

• CPC

  • B01J31/0267 - Phosphines or phosphonium compounds
  • B01J31/0259 - comprising phosphorous acid (-ester) groups ((RO)P(OR’)2) or the isomeric phosphonic acid (-ester) groups (R(R’O)2P=O)
  • B01J31/0262 - comprising phosphinous acid (-ester) groups (R2P(OR’)) or the isomeric phosphine oxide groups (R3P=O)
  • B01J31/04 - containing carboxylic acids or their salts
  • B01J31/185 - Phosphites ((RO)3P) , their isomeric phosphonates (R(RO)2P=O) and RO-substitution derivatives thereof
  • B01J31/1875 - Phosphinites (R2P(OR), their isomeric phosphine oxides (R3P=O) and RO-substitution derivatives thereof)
  • B01J31/2404 - Cyclic ligands, including non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
  • B01J31/28 - of the platinum group metals, iron group metals or copper
  • C07C17/358 - by isomerisation
  • B01J2231/52 - Isomerisation reactions
  • B01J2531/16 - Copper

• US Classifications

  • 570 - Organic compounds
  • 502 - Catalyst, solid sorbent, or support therefor: product or process of making