1790023

Information

• Patent Grant
• 1790023

• References
• Source

• Patent Number

  1,790,023

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1931
  94 years ago

• CPC

  • C04B7/04 - using raw materials containing gypsum
  • C01B17/506 - of calcium sulfates

• US Classifications

  • 106 - Compositions: coating or plastic
  • 423 - Chemistry of inorganic compounds