3642427

Information

• Patent Grant
• 3642427

• References
• Source

• Patent Number

  3,642,427

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  52 years ago

• CPC

  • C09B29/363 - from diazotized amino carbocyclic rings
  • D06P3/36 - using dispersed dyestuffs
  • Y10S8/915 - Amino sulfonic acids
  • Y10S8/921 - Cellulose ester or ether
  • Y10S8/922 - Polyester fiber
  • Y10S8/924 - Polyamide fiber

• US Classifications

  • 008 - Bleaching and dyeing
  • 534 - Organic compounds