3822330

Information

• Patent Grant
• 3822330

• References
• Source

• Patent Number

  3,822,330

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1974
  50 years ago

• CPC

  • B01D71/40 - Polymers of unsaturated acids or derivatives thereof
  • B01D67/0009 - by phase separation, sol-gel transition, evaporation or solvent quenching
  • B01D67/0011 - Casting solutions therefor
  • B01D71/16 - Cellulose acetate
  • B01D2323/08 - Specific temperatures applied
  • B01D2323/12 - Specific ratios of components used
  • B01D2323/286 - Closing of pores

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 210 - Liquid purification or separation