3499892

Information

• Patent Grant
• 3499892

• References
• Source

• Patent Number

  3,499,892

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1970
  55 years ago

• CPC

  • C07D295/02 - containing only hydrogen and carbon atoms in addition to the ring hetero elements
  • C07D207/06 - with radicals, containing only hydrogen and carbon atoms, attached to ring carbon atoms
  • C07D227/04 - with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to ring carbon atoms
  • C07D295/08 - substituted by singly bound oxygen or sulfur atoms
  • C07D409/04 - directly linked by a ring-member-to-ring-member bond
  • C07D413/04 - directly linked by a ring-member-to-ring-member bond

• US Classifications

  • 540 - Organic compounds
  • 544 - Organic compounds
  • 546 - Organic compounds