2971812

Information

• Patent Grant
• 2971812

• References
• Source

• Patent Number

  2,971,812

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1961
  63 years ago

• CPC

  • C09B67/0077 - Preparations with possibly reduced vat, sulfur or indigo dyes
  • Y10S8/908 - Anionic emulsifiers for dyeing
  • Y10S8/909 - Sulfonated or sulfated alphatic hydrocarbons
  • Y10S8/912 - Arylene sulfonate-formaldehyde condensate or alkyl aryl sulfonate

• US Classifications

  • 008 - Bleaching and dyeing