3929687

Information

• Patent Grant
• 3929687

• References
• Source

• Patent Number

  3,929,687

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1975
  49 years ago

• CPC

  • C08L79/085 - Unsaturated polyimide precursors
  • C08J9/02 - using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
  • C08J9/06 - by a chemical blowing agent
  • C08L63/00 - Compositions of epoxy resins Compositions of derivatives of epoxy resins
  • Y10S525/929 - Polyimide formed by addition of polyamine to an unsaturated bis-imide

• US Classifications

  • 521 - Synthetic resins or natural rubbers
  • 525 - Synthetic resins or natural rubbers
  • 528 - Synthetic resins or natural rubbers