3850575

Information

• Patent Grant
• 3850575

• References
• Source

• Patent Number

  3,850,575

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1974
  50 years ago

• CPC

  • C14C3/02 - Chemical tanning
  • C14C3/04 - Mineral tanning

• US Classifications

  • 008 - Bleaching and dyeing