1921010

Information

• Patent Grant
• 1921010

• References
• Source

• Patent Number

  1,921,010

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1933
  91 years ago

• CPC

  • C04B20/1059 - Pigments or precursors thereof

• US Classifications

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