3904693

Information

• Patent Grant
• 3904693

• References
• Source

• Patent Number

  3,904,693

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1975
  49 years ago

• CPC

  • C07C49/417 - polycyclic
  • C07C45/74 - combined with dehydration

• US Classifications

  • 568 - Organic compounds