3912840

Information

• Patent Grant
• 3912840

• References
• Source

• Patent Number

  3,912,840

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1975
  49 years ago

• CPC

  • D06N3/0052 - obtained by leaching out of a compound
  • C08J9/00 - Working-up of macromolecular substances to porous or cellular articles or materials After-treatment thereof
  • C08J9/26 - by elimination of a solid phase from a macromolecular composition or article
  • Y10S428/904 - Artificial leather
  • Y10T428/249961 - With gradual property change within a component
  • Y10T428/249978 - Voids specified as micro

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 427 - Coating processes