3299101

Information

• Patent Grant
• 3299101

• References
• Source

• Patent Number

  3,299,101

• Date Filed

  Not available

• Date Issued

  Tuesday, January 17, 1967
  58 years ago

• CPC

  • C08G73/1082 - wholly aromatic in the tetracarboxylic moiety
  • C07C45/46 - Friedel-Crafts reactions
  • C07C49/784 - with all keto groups bound to a non-condensed ring
  • C07C49/788 - with keto groups bound to a condensed ring system
  • C07C51/275 - of hydrocarbyl groups
  • C07C65/34 - polycyclic
  • C07F7/0814 - said ring is substituted at a C ring atom by Si
  • C08G73/105 - with oxygen only in the diamino moiety
  • C08G73/1057 - Polyimides containing other atoms than carbon, hydrogen, nitrogen or oxygen in the main chain
  • C08G73/1067 - Wholly aromatic polyimides
  • C08G73/1071 - Wholly aromatic polyimides containing oxygen in the form of ether bonds in the main chain

• US Classifications

  • 549 - Organic compounds
  • 528 - Synthetic resins or natural rubbers