3915938

Information

• Patent Grant
• 3915938

• References
• Source

• Patent Number

  3,915,938

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1975
  49 years ago

• CPC

  • C08G73/0616 - with only two nitrogen atoms in the ring
  • C08G18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
  • C08G18/3821 - Carboxylic acids; Esters thereof with monohydroxyl compounds
  • C08G18/6438 - Polyimides or polyesterimides
  • C08G18/8048 - with compounds of C08G18/34
  • Y10S260/34 - Hydantoin

• US Classifications

  • 528 - Synthetic resins or natural rubbers
  • 260 - Chemistry of carbon compounds