1820933

Information

• Patent Grant
• 1820933

• References
• Source

• Patent Number

  1,820,933

• Date Filed

  Not available

• Date Issued

  Tuesday, September 1, 1931
  93 years ago

• CPC

  • C04B41/009 - characterised by the material treated
  • C04B41/4803 - Polysaccharides
  • C04B41/63 - Macromolecular compounds
  • C04B2111/27 - Water resistance
  • C04B2111/545 - Artificial marble
  • Y10T428/24901 - including coloring matter
  • Y10T428/31659 - With cellulosic layer

• US Classifications

  • 428 - Stock material or miscellaneous articles