2091969

Information

• Patent Grant
• 2091969

• References
• Source

• Patent Number

  2,091,969

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1937
  87 years ago

• CPC

  • D01F2/26 - from nitrocellulose

• US Classifications

  • 008 - Bleaching and dyeing