3887582

Information

• Patent Grant
• 3887582

• References
• Source

• Patent Number

  3,887,582

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1975
  49 years ago

• CPC

  • C07D207/452 - with hydrocarbon radicals, substituted by hetero atoms, directly attached to the ring nitrogen atom
  • C07D209/48 - with oxygen atoms in positions 1 and 3
  • C07D209/49 - and having in the molecule an acyl radical containing a saturated three-membered ring
  • C07D209/76 - with oxygen atoms in positions 1 and 3
  • C08F22/36 - Amides or imides
  • C08G73/12 - Unsaturated polyimide precursors
  • C08G73/124 - the unsaturated precursors containing oxygen in the form of ether bonds in the main chain
  • C08G73/125 - the unsaturated precursors containing atoms other than carbon, hydrogen, oxygen or nitrogen in the main chain
  • C08L71/123 - not modified by chemical after-treatment

• US Classifications

  • 548 - Organic compounds
  • 523 - Synthetic resins or natural rubbers
  • 524 - Synthetic resins or natural rubbers
  • 526 - Synthetic resins or natural rubbers