2720469

Information

• Patent Grant
• 2720469

• References
• Source

• Patent Number

  2,720,469

• Date Filed

  Not available

• Date Issued

  Tuesday, October 11, 1955
  69 years ago

• CPC

  • C04B41/009 - characterised by the material treated
  • C04B41/4803 - Polysaccharides
  • C04B41/52 - Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
  • C04B41/63 - Macromolecular compounds
  • C04B41/70 - for obtaining at least two superposed coatings having diffferent compositions

• US Classifications

  • 427 - Coating processes
  • 106 - Compositions: coating or plastic