3867171

Information

• Patent Grant
• 3867171

• References
• Source

• Patent Number

  3,867,171

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1975
  50 years ago

• CPC

  • D06P1/5285 - Polyurethanes; Polyurea; Polyguanides
  • D06P1/44 - using insoluble pigments or auxiliary substances
  • D06P1/58 - together with other synthetic macromolecular substances
  • Y10T428/24802 - Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 427 - Coating processes