390647

Information

• Patent Grant
• 390647

• References
• Source

• Patent Number

  390,647

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1888
  136 years ago

• CPC

  • C09B67/0071 - Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
  • Y10S8/913 - Amphoteric emulsifiers for dyeing

• US Classifications

  • 008 - Bleaching and dyeing
  • 510 - Cleaning compositions for solid surfaces, auxiliary compositions therefor, or processes of preparing the compositions