1943876

Information

• Patent Grant
• 1943876

• References
• Source

• Patent Number

  1,943,876

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1934
  91 years ago

• CPC

  • C09B1/14 - Dyes containing ether groups
  • C07C46/00 - Preparation of quinones
  • C09B1/545 - Anthraquinones with aliphatic, cycloaliphatic or araliphatic ether groups

• US Classifications

  • 552 - Organic compounds