3182073

Information

• Patent Grant
• 3182073

• References
• Source

• Patent Number

  3,182,073

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1965
  59 years ago

• CPC

  • C08G73/1096 - containing azo linkage in the main chain
  • C07C51/412 - by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
  • C07C63/307 - Monocyclic tricarboxylic acids
  • C07F7/04 - Esters of silicic acids
  • C07F7/1896 - Compounds having one or more Si-O-acyl linkages
  • C08G59/42 - Polycarboxylic acids Anhydrides, halides or low molecular weight esters thereof
  • C08G59/4223 - aromatic
  • C08G63/20 - Polyesters having been prepared in the presence of compounds having one reactive group or more than two reactive groups
  • C08G67/00 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing oxygen or oxygen and carbon, not provided for in groups C08G2/00 - C08G65/00
  • C08G73/10 - Polyimides Polyester-imides Polyamide-imides Polyamide acids or similar polyimide precursors
  • C08G73/1053 - with oxygen only in the tetracarboxylic moiety
  • C08G73/1057 - Polyimides containing other atoms than carbon, hydrogen, nitrogen or oxygen in the main chain
  • C08G73/106 - containing silicon
  • C08G73/1064 - containing sulfur
  • C08G73/1067 - Wholly aromatic polyimides
  • C08G73/1082 - wholly aromatic in the tetracarboxylic moiety

• US Classifications

  • 549 - Organic compounds
  • 534 - Organic compounds