2448870

Information

• Patent Grant
• 2448870

• References
• Source

• Patent Number

  2,448,870

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1948
  76 years ago

• CPC

  • C09B31/02 - Disazo dyes
  • C09B31/025 - containing acid groups
  • C09B62/82 - Azo dyes
  • C09B62/825 - Monoazo dyes
  • C09B69/007 - Dyestuffs containing phosphonic or phosphinic acid groups and derivatives

• US Classifications

  • 534 - Organic compounds
  • 548 - Organic compounds