3642971

Information

• Patent Grant
• 3642971

• References
• Source

• Patent Number

  3,642,971

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  52 years ago

• CPC

  • D02J1/221 - Preliminary treatments
  • D01F1/10 - Other agents for modifying properties
  • D01F6/60 - from polyamides

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 524 - Synthetic resins or natural rubbers
  • 528 - Synthetic resins or natural rubbers