1656804

Information

• Patent Grant
• 1656804

• References
• Source

• Patent Number

  1,656,804

• Date Filed

  Not available

• Date Issued

  Tuesday, January 17, 1928
  97 years ago

• CPC

  • B27K3/52 - Impregnating agents containing mixtures of inorganic and organic compounds
  • B27K3/20 - Compounds of alkali metals or ammonium
  • B27K3/28 - Compounds of arsenic or antimony
  • B27K3/30 - Compounds of fluorine
  • B27K3/42 - nitrated, or nitrated and halogenated

• US Classifications

  • 424 - Drug, bio-affecting and body treating compositions