3840389

Information

• Patent Grant
• 3840389

• References
• Source

• Patent Number

  3,840,389

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  50 years ago

• CPC

  • B01J23/46 - Ruthenium, rhodium, osmium or iridium
  • B01J37/20 - Sulfiding
  • C04B41/5105 - with a composition mainly composed of one or more of the noble metals or copper
  • C04B41/88 - Metals

• US Classifications

  • 427 - Coating processes
  • 423 - Chemistry of inorganic compounds
  • 502 - Catalyst, solid sorbent, or support therefor: product or process of making