3257335

Information

• Patent Grant
• 3257335

• References
• Source

• Patent Number

  3,257,335

• Date Filed

  Not available

• Date Issued

  Tuesday, June 21, 1966
  58 years ago

• CPC

  • C08L67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
  • C07C67/03 - by reacting an ester group with a hydroxy group
  • C07C69/82 - Terephthalic acid esters
  • C08G63/785 - characterised by the apparatus used
  • C08J11/00 - Recovery or working-up of waste materials
  • C08J2361/02 - Condensation polymers of aldehydes or ketones only
  • C08J2367/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds

• US Classifications

  • 521 - Synthetic resins or natural rubbers
  • 526 - Synthetic resins or natural rubbers
  • 528 - Synthetic resins or natural rubbers
  • 560 - Organic compounds