2130483

Information

• Patent Grant
• 2130483

• References
• Source

• Patent Number

  2,130,483

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1938
  87 years ago

• CPC

  • C01B25/20 - Preparation from elemental phosphorus or phosphoric anhydride
  • C01B21/44 - Concentration

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 055 - Gas separation
  • 095 - Gas separation: processes
  • 096 - Gas separation: apparatus
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing