3925421

Information

• Patent Grant
• 3925421

• References
• Source

• Patent Number

  3,925,421

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1975
  49 years ago

• CPC

  • C11B9/008 - the hetero rings containing six atoms
  • C07C1/20 - starting from organic compounds containing only oxygen atoms as heteroatoms
  • C07D313/00 - Heterocyclic compounds containing rings of more than six members having one oxygen atom as the only ring hetero atom
  • C07D323/00 - Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms
  • C07D323/04 - Six-membered rings
  • C11B9/0038 - the ring containing more than six carbon atoms

• US Classifications

  • 549 - Organic compounds
  • 512 - Perfume compositions
  • 568 - Organic compounds