2147161

Information

• Patent Grant
• 2147161

• References
• Source

• Patent Number

  2,147,161

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1939
  85 years ago

• CPC

  • C01B17/62 - Methods of preparing sulfites in general
  • D21C3/08 - calcium bisulfite

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 423 - Chemistry of inorganic compounds