ION SPECIFIC MEMBRANES

• US 3,450,631 A
• Filed: 12/13/1965
• Issued: 06/17/1969
• Est. Priority Date: 02/07/1963
• Status: Expired due to Term

• Current Assignee: Katchalsky Aharon, Kedem Ora, Rene Bloch, Vofsi David
• Original Assignee: Katchalsky Aharon, Kedem Ora, Rene Bloch, Vofsi David
• Inventors: Bloch, Rene, VOFSI DAVID, KEDEM ORA, KATCHALSKY AHARON
• Application Number:
  US04/513,542
• Time in Patent Office: 1,282 Days
• US Class Current: 210/644
• CPC Class Codes: B01D 61/243 Dialysis
• CPC Class Codes: B01D 61/38 Liquid-membrane separation
• CPC Class Codes: B01D 71/30 Polyalkenyl halides
• CPC Class Codes: B01D 71/301 Polyvinylchloride
• CPC Class Codes: B01D 71/82 characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
• CPC Class Codes: C08J 5/2218 Synthetic macromolecular compounds
• CPC Class Codes: C08K 5/51 Phosphorus bound to oxygen
• CPC Class Codes: C08K 5/52 Phosphorus bound to oxygen only
• CPC Class Codes: C08K 5/53 bound to oxygen and to carbon only
• CPC Class Codes: C08L 2666/40 Phosphorus-containing compounds
• CPC Class Codes: C08L 27/06 Homopolymers or copolymers of vinyl chloride
• CPC Class Codes: G01N 27/40 Semi-permeable membranes or partitions

Claims