3542757

Information

• Patent Grant
• 3542757

• References
• Source

• Patent Number

  3,542,757

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1970
  54 years ago

• CPC

  • C07D307/54 - Radicals substituted by carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen
  • C07C205/56 - having nitro groups bound to carbon atoms of six-membered aromatic rings and carboxyl groups bound to acyclic carbon atoms of the carbon skeleton
  • C07D213/55 - Acids Esters
  • C09B43/30 - by esterification of -COOH or -SO3H groups

• US Classifications

  • 534 - Organic compounds
  • 546 - Organic compounds
  • 549 - Organic compounds
  • 562 - Organic compounds