1968178

Information

• Patent Grant
• 1968178

• References
• Source

• Patent Number

  1,968,178

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1934
  91 years ago

• CPC

  • C09B1/24 - sulfonated
  • C09B1/547 - Anthraquinones with aromatic ether groups

• US Classifications

  • 552 - Organic compounds