2176630

Information

• Patent Grant
• 2176630

• References
• Source

• Patent Number

  2,176,630

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1939
  85 years ago

• CPC

  • C09B1/266 - only sulfonated in the anthracene nucleus

• US Classifications

  • 552 - Organic compounds