2666687

Information

• Patent Grant
• 2666687

• References
• Source

• Patent Number

  2,666,687

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1954
  71 years ago

• CPC

  • C01C1/22 - Sulfites of ammonium

• US Classifications

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