1843308

Information

• Patent Grant
• 1843308

• References
• Source

• Patent Number

  1,843,308

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1932
  92 years ago

• CPC

  • C09B1/303 - only sulfonated in the anthracene nucleus

• US Classifications

  • 552 - Organic compounds