2700037

Information

• Patent Grant
• 2700037

• References
• Source

• Patent Number

  2,700,037

• Date Filed

  Not available

• Date Issued

  Tuesday, January 18, 1955
  69 years ago

• CPC

  • C07D417/12 - linked by a chain containing hetero atoms as chain links
  • C07C309/46 - having the sulfo groups bound to carbon atoms of non-condensed six-membered aromatic rings
  • C07C309/48 - the carbon skeleton being further substituted by halogen atoms
  • C07D277/66 - with aromatic rings or ring systems directly attached in position 2
  • C09B43/00 - Preparation of azo dyes from other azo compounds

• US Classifications

  • 534 - Organic compounds
  • 548 - Organic compounds
  • 558 - Organic compounds
  • 562 - Organic compounds
  • 564 - Organic compounds