3523865

Information

• Patent Grant
• 3523865

• References
• Source

• Patent Number

  3,523,865

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1970
  54 years ago

• CPC

  • D21H5/245 - obtained by compressing the (moist) paper in directions lying in, and optionally perpendicular to, the paper plane
  • D21H25/005 - Mechanical treatment

• US Classifications

  • 162 - Paper making and fiber liberation
  • 034 - Drying and gas or vapor contact with solids