1629004

Information

• Patent Grant
• 1629004

• References
• Source

• Patent Number

  1,629,004

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1927
  97 years ago

• CPC

  • C01G39/02 - Oxides Hydroxides
  • C22B34/30 - Obtaining chromium, molybdenum or tungsten

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 023 - Chemistry: physical processes