3870657

Information

• Patent Grant
• 3870657

• References
• Source

• Patent Number

  3,870,657

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  50 years ago

• CPC

  • B01J23/84 - with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
  • B01J23/843 - Arsenic, antimony or bismuth
  • C07C2521/04 - Alumina
  • C07C2523/745 - Iron
  • C07C2523/75 - Cobalt
  • C07C2523/755 - Nickel
  • C07C2523/843 - Arsenic, antimony or bismuth
  • Y02P20/52 - using catalysts

• US Classifications

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