2772145

Information

• Patent Grant
• 2772145

• References
• Source

• Patent Number

  2,772,145

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1956
  68 years ago

• CPC

  • C01B21/1427 - by reduction of nitrogen oxides or nitrites with bisulfite or sulfur dioxide
  • C01B21/50 - Nitrous acid Salts thereof

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 071 - Chemistry: fertilizers