3457028

Information

• Patent Grant
• 3457028

• References
• Source

• Patent Number

  3,457,028

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1969
  55 years ago

• CPC

  • D06M14/02 - on to materials of natural origin
  • D06M14/06 - of animal origin

• US Classifications

  • 008 - Bleaching and dyeing