1972448

Information

• Patent Grant
• 1972448

• References
• Source

• Patent Number

  1,972,448

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1934
  90 years ago

• CPC

  • C09J155/04 - Polyadducts obtained by the diene synthesis

• US Classifications

  • 524 - Synthetic resins or natural rubbers
  • 220 - Receptacles
  • 229 - Envelopes, wrappers, and paperboard boxes
  • 493 - Manufacturing container or tube from paper