1937292

Information

• Patent Grant
• 1937292

• References
• Source

• Patent Number

  1,937,292

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1933
  91 years ago

• CPC

  • C04B28/143 - the synthetic calcium sulfate being phosphogypsum

• US Classifications

  • 106 - Compositions: coating or plastic