3840634

Information

• Patent Grant
• 3840634

• References
• Source

• Patent Number

  3,840,634

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  51 years ago

• CPC

  • C08J5/2243 - obtained by introduction of active groups capable of ion-exchange into compounds of the type C08J5/2231
  • C08F26/06 - by a heterocyclic ring containing nitrogen
  • C08J2327/08 - Homopolymers or copolymers of vinylidene chloride
  • C08J2339/08 - Homopolymers or copolymers of vinyl-pyridine

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 210 - Liquid purification or separation
  • 521 - Synthetic resins or natural rubbers
  • 526 - Synthetic resins or natural rubbers