3900472

Information

• Patent Grant
• 3900472

• References
• Source

• Patent Number

  3,900,472

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1975
  49 years ago

• CPC

  • C07D295/205 - Radicals derived from carbonic acid
  • C07D295/20 - by radicals derived from carbonic acid, or sulfur or nitrogen analogues thereof
  • C09B1/503 - unsubstituted amino-hydroxy anthraquinone
  • C09B1/51 - N-substituted amino-hydroxy anthraquinone
  • C09B1/52 - sulfonated

• US Classifications

  • 544 - Organic compounds
  • 546 - Organic compounds
  • 548 - Organic compounds
  • 552 - Organic compounds