1930352

Information

• Patent Grant
• 1930352

• References
• Source

• Patent Number

  1,930,352

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1933
  91 years ago

• CPC

  • C09B1/503 - unsubstituted amino-hydroxy anthraquinone
  • C09B1/5035 - only amino and hydroxy groups

• US Classifications

  • 552 - Organic compounds