2391855

Information

• Patent Grant
• 2391855

• References
• Source

• Patent Number

  2,391,855

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1945
  78 years ago

• CPC

  • C04B28/141 - containing dihydrated gypsum before the final hardening step
  • C04B2111/00939 - for the fabrication of moulds or cores

• US Classifications

  • 164 - Metal founding
  • 106 - Compositions: coating or plastic
  • 427 - Coating processes