3540916

Information

• Patent Grant
• 3540916

• References
• Source

• Patent Number

  3,540,916

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1970
  54 years ago

• CPC

  • D06N3/143 - with polyurethanes and other polycondensation or polyaddition products
  • C08L75/00 - Compositions of polyureas or polyurethanes Compositions of derivatives of such polymers
  • Y10S264/62 - Processes of molding porous films
  • Y10S264/77 - Processes of molding urethanes
  • Y10S428/904 - Artificial leather

• US Classifications

  • 427 - Coating processes
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 428 - Stock material or miscellaneous articles