3770861

Information

• Patent Grant
• 3770861

• References
• Source

• Patent Number

  3,770,861

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1973
  51 years ago

• CPC

  • D02J1/221 - Preliminary treatments
  • D01F6/62 - from polyesters
  • D01F6/84 - from copolyesters
  • Y10S264/73 - Processes of stretching

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes