1390205

Information

• Patent Grant
• 1390205

• References
• Source

• Patent Number

  1,390,205

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1921
  103 years ago

• CPC

  • C14C3/12 - using purified or modified vegetable tanning agents

• US Classifications

  • 008 - Bleaching and dyeing