3580801

Information

• Patent Grant
• 3580801

• References
• Source

• Patent Number

  3,580,801

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1971
  53 years ago

• CPC

  • D21H5/205 - acrylic fibres
  • D04H3/14 - with bonds between thermoplastic yarns or filaments produced by welding
  • D21H13/18 - Polymers of unsaturated acids or derivatives thereof

• US Classifications

  • 162 - Paper making and fiber liberation
  • 264 - Plastic and nonmetallic article shaping or treating: processes