3640752

Information

• Patent Grant
• 3640752

• References
• Source

• Patent Number

  3,640,752

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  52 years ago

• CPC

  • D21H23/30 - Pretreatment of the paper
  • B05C5/0254 - Coating heads with slot-shaped outlet
  • D21H5/0007 - Pretreatment of paper to which liquids or other fluent materials are to be applied
  • G03C1/74 - Applying photosensitive compositions to the base Drying processes therefor

• US Classifications

  • 427 - Coating processes