3884881

Information

• Patent Grant
• 3884881

• References
• Source

• Patent Number

  3,884,881

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1975
  50 years ago

• CPC

  • C08G69/32 - from aromatic diamines and aromatic dicarboxylic acids with both amino and carboxylic groups aromatically bound
  • B01F7/083 - the stirrers being composed of helices and paddles on the same shaft
  • Y02P20/582 - of unreacted starting or intermediate materials

• US Classifications

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