2218940

Information

• Patent Grant
• 2218940

• References
• Source

• Patent Number

  2,218,940

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1940
  84 years ago

• CPC

  • C09C1/16 - White lead
  • C01P2004/51 - Particles with a specific particle size distribution
  • C01P2004/61 - Micrometer sized
  • C01P2004/80 - Particles consisting of a mixture of two or more inorganic phases
  • C01P2006/60 - Optical properties
  • C01P2006/80 - Compositional purity
  • C01P2006/82 - water content

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 106 - Compositions: coating or plastic
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing