3903221

Information

• Patent Grant
• 3903221

• References
• Source

• Patent Number

  3,903,221

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1975
  49 years ago

• CPC

  • D02J1/223 - Stretching in a liquid bath
  • D06M13/21 - Halogenated carboxylic acids Anhydrides, halides or salts thereof
  • D06M2101/34 - Polyamides
  • D06M2200/30 - Flame or heat resistance, fire retardancy properties

• US Classifications

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