3699144

Information

• Patent Grant
• 3699144

• References
• Source

• Patent Number

  3,699,144

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1972
  52 years ago

• CPC

  • C07C301/02 - having sulfite groups bound to carbon atoms of six-membered aromatic rings
  • C08G75/20 - Polysulfones

• US Classifications

  • 558 - Organic compounds
  • 528 - Synthetic resins or natural rubbers