1919308

Information

• Patent Grant
• 1919308

• References
• Source

• Patent Number

  1,919,308

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1933
  91 years ago

• CPC

  • C01D1/36 - by oxidation
  • Y10S423/03 - Papermaking liquor

• US Classifications

  • 423 - Chemistry of inorganic compounds