3640945

Information

• Patent Grant
• 3640945

• References
• Source

• Patent Number

  3,640,945

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  52 years ago

• CPC

  • C08G2/36 - by depolymerisation
  • C08G2/18 - Copolymerisation of aldehydes or ketones
  • C08G2/22 - with epoxy compounds
  • C08G2/30 - Chemical modification by after-treatment
  • C08G4/00 - Condensation polymers of aldehydes or ketones with polyalcohols Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping -O-C-O-

• US Classifications

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