1954441

Information

• Patent Grant
• 1954441

• References
• Source

• Patent Number

  1,954,441

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1934
  90 years ago

• CPC

  • C04B20/12 - Multiple coating or impregnating
  • C04B20/1092 - with pigments or dyes

• US Classifications

  • 008 - Bleaching and dyeing