3919304

Information

• Patent Grant
• 3919304

• References
• Source

• Patent Number

  3,919,304

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1975
  49 years ago

• CPC

  • C07D317/22 - etherified
  • C07C57/46 - containing six-membered aromatic rings and other rings
  • C07C57/48 - having unsaturation outside the aromatic rings
  • C07C67/00 - Preparation of carboxylic acid esters
  • C07C69/616 - polycyclic
  • C07C69/618 - having unsaturation outside the six-membered aromatic ring
  • C07C69/732 - of unsaturated hydroxy carboxylic acids
  • C07D317/16 - Radicals substituted by halogen atoms or nitro radicals
  • C07D317/20 - Free hydroxyl or mercaptan
  • Y10S514/916 - Pyretic

• US Classifications

  • 562 - Organic compounds
  • 250 - Radiant energy
  • 514 - Drug, bio-affecting and body treating compositions
  • 544 - Organic compounds
  • 546 - Organic compounds
  • 548 - Organic compounds
  • 560 - Organic compounds
  • 564 - Organic compounds