3554789

Information

• Patent Grant
• 3554789

• References
• Source

• Patent Number

  3,554,789

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1971
  54 years ago

• CPC

  • D06N3/142 - mixture of polyurethanes with other resins in the same layer
  • C08J9/28 - by elimination of a liquid phase from a macromolecular composition or article
  • C08J2201/0502 - the liquid phase being organic
  • C08J2375/04 - Polyurethanes
  • Y10S428/904 - Artificial leather
  • Y10T428/249978 - Voids specified as micro

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 521 - Synthetic resins or natural rubbers