3751221

Information

• Patent Grant
• 3751221

• References
• Source

• Patent Number

  3,751,221

• Date Filed

  Not available

• Date Issued

  Tuesday, August 7, 1973
  51 years ago

• CPC

  • C14C1/00 - Chemical treatment prior to tanning
  • C14C1/02 - Curing raw hides

• US Classifications

  • 008 - Bleaching and dyeing