2820804

Information

• Patent Grant
• 2820804

• References
• Source

• Patent Number

  2,820,804

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1958
  66 years ago

• CPC

  • C09H1/04 - of hides, hoofs, or leather scrap
  • C11B1/16 - with steam

• US Classifications

  • 554 - Organic compounds
  • 126 - Stoves and furnaces