2225013

Information

• Patent Grant
• 2225013

• References
• Source

• Patent Number

  2,225,013

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1940
  84 years ago

• CPC

  • C09B1/203 - only sulfonated in the anthracene nucleus
  • C09B1/20 - Preparation from starting materials already containing the anthracene nucleus
  • C09B1/34 - sulfonated

• US Classifications

  • 552 - Organic compounds