1948183

Information

• Patent Grant
• 1948183

• References
• Source

• Patent Number

  1,948,183

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1934
  90 years ago

• CPC

  • C09B1/5165 - only amino and hydroxy groups
  • C09B1/545 - Anthraquinones with aliphatic, cycloaliphatic or araliphatic ether groups

• US Classifications

  • 552 - Organic compounds