3872001

Information

• Patent Grant
• 3872001

• References
• Source

• Patent Number

  3,872,001

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1975
  50 years ago

• CPC

  • B01D67/0093 - Chemical modification
  • B01D61/00 - Processes of separation using semi-permeable membranes
  • B01D71/18 - Mixed esters
  • B01D71/82 - characterised by the presence of specified groups
  • C02F1/285 - using synthetic organic sorbents
  • C02F9/00 - Multistage treatment of water, waste water, or sewage
  • C02F2101/20 - Heavy metals or heavy metal compounds

• US Classifications

  • 210 - Liquid purification or separation