3756772

Information

• Patent Grant
• 3756772

• References
• Source

• Patent Number

  3,756,772

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1973
  51 years ago

• CPC

  • D06P1/20 - Anthraquinone dyes
  • C09B1/547 - Anthraquinones with aromatic ether groups
  • C09B67/0025 - Crystal modifications; Special X-ray patterns
  • D06P1/0016 - Dye baths containing a dyeing agent in a special form such as for instance in melted or solid form, as a floating film or gel, spray or aerosol, or atomised dyes
  • Y10S8/911 - Sulfonated
  • Y10S8/912 - Arylene sulfonate-formaldehyde condensate or alkyl aryl sulfonate
  • Y10S8/922 - Polyester fiber

• US Classifications

  • 008 - Bleaching and dyeing
  • 552 - Organic compounds