1751217

Information

• Patent Grant
• 1751217

• References
• Source

• Patent Number

  1,751,217

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1930
  95 years ago

• CPC

  • C14C3/14 - Fat tanning Oil tanning

• US Classifications

  • 008 - Bleaching and dyeing
  • 252 - Compositions
  • 516 - Colloid systems and wetting agents