2056809

Information

• Patent Grant
• 2056809

• References
• Source

• Patent Number

  2,056,809

• Date Filed

  Not available

• Date Issued

  Tuesday, October 6, 1936
  88 years ago

• CPC

  • D06L3/1285 - Fugitive optical brightening, organic blueing, discharge of optical brighteners, optical brighteners in discharge pastes, differential optical brightening

• US Classifications

  • 427 - Coating processes
  • 008 - Bleaching and dyeing
  • 118 - Coating apparatus
  • 250 - Radiant energy
  • 252 - Compositions
  • 378 - X-ray or gamma ray systems or devices
  • 428 - Stock material or miscellaneous articles