3658456

Information

• Patent Grant
• 3658456

• References
• Source

• Patent Number

  3,658,456

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  52 years ago

• CPC

  • D06P1/12 - prepared in situ
  • C09B67/0079 - Azoic dyestuff preparations
  • C09B67/0092 - Dyes in solid form
  • C09B67/0094 - Treatment of powders

• US Classifications

  • 008 - Bleaching and dyeing