Patents
Patents for B01D 61 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (28,150)
08/1982
08/24/1982US4345999 Apparatus for preventing the entry of air into an artificial organ
08/19/1982WO1982002673A1 A water-purification unit with constant-flow valve
08/17/1982CA1130023A1 Method of treating pulp bleaching effluents
08/10/1982US4343705 Separation of blood plasma without visible hemolysis
08/10/1982CA1129349A1 Filter apparatus
08/05/1982WO1982002477A1 Process for the modification of microstructures in polydised aqueous systems
08/04/1982EP0056855A2 Preparation of infusion grade water
07/1982
07/28/1982EP0056658A2 Process for making uniform the structure of milk proteins
07/27/1982US4341629 Means for desalination of water through reverse osmosis
07/27/1982US4341538 Diagonally enclosed in rectangular housing
07/20/1982US4340480 Process for preparing liquophilic polyamide membrane filter media and product
07/20/1982US4340479 Process for preparing hydrophilic polyamide membrane filter media and product
07/14/1982EP0055981A1 Water desalination system using the reverse osmosis process
07/13/1982US4339334 Tubular membrane separation apparatus end joint seal
07/13/1982CA1127472A1 Gas separation membranes and process for the preparation thereof
07/12/1982EP0018375A4 Apparatus and process for continuous flow isoelectric focusing.
07/06/1982CA1127091A1 Disposable filter cell for membrane plasmapheresis
06/1982
06/29/1982US4337225 Regeneration of liquid membrane without breaking emulsion
06/29/1982US4337141 Reinforcement, ion exchange resin, woven glass fiber fabric, folding, bulking
06/29/1982CA1126690A1 Method and apparatus for separating neutral molecules using a bipolar membrane as a molecular sieve
06/22/1982US4335576 To produce fresh water from sea water
06/15/1982CA1125663A1 Method and apparatus for determining ultrafiltration during dialysis
06/08/1982US4333972 Polymers, methyl formate, isopropanol
06/08/1982US4333870 Process for separating γ-globulin aggregate by polysulfone membrane
06/08/1982US4333832 Rotating solution separation system
06/08/1982CA1125182A1 Device for ultrafiltration
06/08/1982CA1124952A1 Method and apparatus for continuous, ambulatory peritoneal dialysis
06/02/1982EP0052719A1 Process for the separation of metal catalysts, and use of membrane separation apparatuses
06/01/1982US4332927 Catalyst-containing stable polyurethane forming compositions which are non-cytotoxic when cured and separatory devices employing same
05/1982
05/25/1982US4331525 Electrolytic-ultrafiltration apparatus and process for recovering solids from a liquid medium
05/12/1982EP0051373A2 Method and apparatus for testing and using membrane filters
05/05/1982EP0050789A1 Liquophilic polyamide membrane filter media and process of preparation thereof
05/04/1982US4328102 Membrane apparatus having alternate opposite flow transverse to means flow
05/04/1982CA1122815A2 Dialysis apparatus and technique
05/04/1982CA1122783A1 Process for the recovery of liquid extractant and acid from emulsions formed during metal recovery from acid solutions
04/1982
04/28/1982EP0050288A1 Use of water vapour permeable polyvinylalcohol sheets
04/27/1982US4326960 Tubular permselective membrane module and method
04/27/1982US4326840 Wave driven pump
04/27/1982US4326526 Dialysate bag assembly for continuous ambulatory peritoneal dialysis
04/20/1982US4325792 Electrolysis, chromic acid
04/20/1982CA1122157A1 Mass-transfer membrane and processes using same
04/13/1982US4324767 Reversible redox systems, semipermeable capsules
04/13/1982CA1121739A1 Ultrafiltration control system
04/13/1982CA1121738A1 Automated intermittent blood purification process
04/07/1982EP0049055A1 Apparatus for altering the concentration of a preselected component of a feedstock by filtration or ultrafiltration
04/07/1982EP0049012A1 Treatment of pseudoplastic polysaccharide solutions
03/1982
03/30/1982US4322275 Fractionation of protein mixtures
03/23/1982US4321137 Apparatus for processing liquids such as water and the like by reverse osmosis
03/18/1982WO1982000775A1 Fluid treatment apparatus
03/16/1982US4319978 Pressure sensitive adhesives
03/16/1982CA1119970A1 Water purification process and system
03/16/1982CA1119969A1 Immersible molecular filter unit and process of making it
03/09/1982US4318714 Facilitated separation of a select gas through an ion exchange membrane
03/02/1982US4317841 Electrodialysis, absorption of acids with chitosan
03/02/1982US4317726 Microbial filter assembly
03/02/1982CA1119103A1 Device and process for removing pyrogens from aqueous solutions
02/1982
02/24/1982EP0046400A2 Method of producing permeable polymeric membranes
02/24/1982EP0046155A1 Process and apparatus for slime and sludge dewatering
02/16/1982CA1118367A1 Semipermeable membrane mass transfer apparatus having slotted support members
02/16/1982CA1118365A1 Reverse osmosis method and apparatus
02/10/1982EP0045515A2 Apparatus for concentrating and filtering body cavity fluids
02/03/1982EP0045073A1 Body fluid filter device
02/02/1982US4313830 Method for increasing the cross-flow microfiltration fluxes of waste waters containing suspended solids and/or emulsified oil
02/02/1982US4313808 Electrodialyzer and method of regenerating waste photographic processing solution
01/1982
01/26/1982US4312778 Fluoropolymer permeable to cobalt, manganese and cerium cations
01/26/1982US4312755 For desalting sea water
01/26/1982US4312729 Dewatering with electrically augmented vacuum filter
01/19/1982US4311789 Method for sampling and measuring the content of a low-molecular weight compound in a complex fluid medium
01/19/1982US4311594 Membrane separation of organics from aqueous solutions
01/19/1982US4311575 Ion exchanging, desalting
01/19/1982US4311574 Regeneration of photographic processing solutions
01/12/1982US4310396 Method for desalination of water, in particular sea water
01/12/1982CA1115989A1 Dialysis apparatus and technique
01/05/1982US4309287 Reverse-osmosis tubular membrane
01/05/1982CA1115894A1 Polyurethane composition and articles thereof
01/05/1982CA1115643A1 Prevention of solute deposition fouling in membrane processes
12/1981
12/30/1981EP0042821A2 Use of succinylosuccinic acid diesters as liquid membranes and process for the selective separation of cations
12/30/1981EP0042766A2 Highly anisotropic membranes and process for making same
12/30/1981EP0042646A1 Process of concentrating substances by a membrane filtration
12/22/1981US4306946 Process for acid recovery from waste water
12/22/1981CA1114686A1 Coated membranes
12/15/1981US4305800 Method of directing water by electro-osmosis to an electrically conductive pile
12/15/1981CA1114302A1 Collapse-resistant corrugated filter element
12/09/1981EP0041350A2 Method and apparatus for on-line filtration removal of macromolecules from a physiological fluid
12/02/1981EP0041013A1 Process for a high-temperature ultrafiltration treatment of a hydrocarbon load
12/02/1981EP0040827A1 A method for increasing the cross-flow microfiltration fluxes of waste waters containing suspended solids and/or emulsified oil
12/02/1981EP0040709A1 Process for the production of diacetone-keto-gulonic acid
12/01/1981US4303493 Sealing frame for stacked arrangement of exchanger membranes for electrodialysis
12/01/1981US4303492 Electrode assembly
11/1981
11/17/1981US4301118 Protein concentrator
11/17/1981US4301013 To separate a feed stream into a permeate stream and into a concentrate stream
11/17/1981CA1112581A1 Recovering dye by reverse osmosis through feed-built medium on a support
11/17/1981CA1112580A1 Method of making mass transfer apparatus
11/11/1981EP0039583A2 Reverse-osmosis tubular membrane module
11/10/1981US4299724 Mixing the emulsion with water, then heat treatment
11/10/1981US4299702 Liquid separation apparatus
11/03/1981US4298442 Electrodialysis process for silica removal
11/03/1981CA1111776A1 Method and apparatus for determining the amount of ultrafiltration during dialysis
10/1981
10/28/1981EP0038339A1 Process for transferring and sterilizing a solution.
10/20/1981US4295950 Micro-porous cathode filled with sodium amalgam