2303257

Information

• Patent Grant
• 2303257

• References
• Source

• Patent Number

  2,303,257

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1942
  82 years ago

• CPC

  • D21H23/40 - only one side of the paper being in contact with the material
  • D21H5/0015 - only one side of the paper being in contact with the treating medium
  • D21H23/66 - Treating discontinuous paper
  • D21H17/11 - Halides
  • D21H17/60 - Waxes
  • D21H23/30 - Pretreatment of the paper
  • D21H23/42 - Paper being at least partly surrounded by the material on both sides

• US Classifications

  • 427 - Coating processes
  • 118 - Coating apparatus