1898636

Information

• Patent Grant
• 1898636

• References
• Source

• Patent Number

  1,898,636

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1933
  91 years ago

• CPC

  • C04B11/06 - starting from anhydrite

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 106 - Compositions: coating or plastic