1780983

Information

• Patent Grant
• 1780983

• References
• Source

• Patent Number

  1,780,983

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1930
  94 years ago

• CPC

  • C14C3/14 - Fat tanning Oil tanning

• US Classifications

  • 008 - Bleaching and dyeing
  • 106 - Compositions: coating or plastic