3915630

Information

• Patent Grant
• 3915630

• References
• Source

• Patent Number

  3,915,630

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1975
  49 years ago

• CPC

  • D06P1/0008 - Dyeing processes in which the dye is not specific (waste liquors)
  • C09B67/0083 - Solutions of dyes
  • C09B67/0084 - Dispersions of dyes
  • C09B67/0091 - Process features in the making of dispersions
  • C09B67/0096 - Purification; Precipitation; Filtration
  • D06P1/0004 - General aspects of dyeing
  • D06P1/60 - using compositions containing polyethers
  • D06P1/621 - Compounds without nitrogen
  • D06P1/90 - using dyes dissolved in organic solvents or aqueous emulsions thereof
  • D06P3/32 - leather skins

• US Classifications

  • 008 - Bleaching and dyeing