2085809

Information

• Patent Grant
• 2085809

• References
• Source

• Patent Number

  2,085,809

• Date Filed

  Not available

• Date Issued

  Tuesday, July 6, 1937
  87 years ago

• CPC

  • D06P3/305 - with oxidation dyes

• US Classifications

  • 008 - Bleaching and dyeing
  • 564 - Organic compounds