3658843

Information

• Patent Grant
• 3658843

• References
• Source

• Patent Number

  3,658,843

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  52 years ago

• CPC

  • C07D207/452 - with hydrocarbon radicals, substituted by hetero atoms, directly attached to the ring nitrogen atom
  • C07D207/44 - having three double bonds between ring members or between ring members and non-ring members
  • C08F22/36 - Amides or imides
  • D06M15/295 - containing fluorine
  • Y10T428/31721 - Of polyimide
  • Y10T428/31913 - Monoolefin polymer

• US Classifications

  • 548 - Organic compounds
  • 252 - Compositions
  • 428 - Stock material or miscellaneous articles
  • 524 - Synthetic resins or natural rubbers
  • 526 - Synthetic resins or natural rubbers
  • 564 - Organic compounds