1900287

Information

• Patent Grant
• 1900287

• References
• Source

• Patent Number

  1,900,287

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1933
  91 years ago

• CPC

  • C01B25/003 - Phosphorus
  • C01B25/01 - Treating phosphate ores or other raw phosphate materials to obtain phosphorus or phosphorus compounds
  • C01F7/40 - in the presence of aluminium sulfide

• US Classifications

  • 423 - Chemistry of inorganic compounds