| Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060) |
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| 10/19/1999 | US5968366 Zeolite containing composition with a selectivity enhancing coating |
| 10/19/1999 | US5968326 Using pulse laser deposition (pld) or reactive magnetron sputtering. |
| 10/14/1999 | WO1999051765A1 Method for detecting micro-organisms in gases |
| 10/14/1999 | WO1999051330A1 Organic ion-selective membranes |
| 10/14/1999 | WO1999051329A1 A filtration device and a screening device |
| 10/14/1999 | CA2330463A1 Organic ion-selective membranes |
| 10/13/1999 | EP0948993A1 Porous polytetrafluoroethylene membrane |
| 10/13/1999 | EP0948746A1 Membrane and methods of preparing and using same |
| 10/13/1999 | EP0948392A1 Microporous membranes and uses thereof |
| 10/13/1999 | EP0830249B1 Porous composite |
| 10/12/1999 | US5964925 Sulfonated polyimide gas separation membranes |
| 10/12/1999 | US5964923 Removing water and a portion of hydrocarbons from a gas stream of water, methane, nitrogen and c3+ hydrocarbons; separating methane from nitrogen using membranes that preferentially permeate methane and reject nitrogen |
| 10/12/1999 | US5964725 Gas exchange apparatus using improved silicone rubber hollow fiber |
| 10/07/1999 | WO1999050203A1 Chemical control over ceramic porosity using carboxylate-alumoxanes |
| 10/07/1999 | DE19814715A1 Gelatinemembranfilter, Verfahren zu ihrer Herstellung und ihre Verwendung Gelatin membrane filters, processes for their preparation and their use |
| 10/07/1999 | DE19812850A1 Metallic fine filter medium for filtering solids from fluids |
| 10/07/1999 | CA2327097A1 Chemical control over ceramic porosity using carboxylate-alumoxanes |
| 10/07/1999 | CA2265433A1 Porous polytetrafluoroethylene membrane |
| 10/06/1999 | EP0947545A1 Process for preparing highly permeable microporous polyolefin film |
| 10/06/1999 | EP0947487A1 Fluorite ceramic material |
| 10/06/1999 | EP0946419A1 LaMO 3? TYPE COMPOSITION, M BEING ALUMINIUM, GALLIUM OR INDIUM, IN POWDER OR SINTERED FORM, METHOD OF PREPARATION AND USE AS CONDUCTOR OF OXYGEN |
| 10/06/1999 | EP0946354A1 Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters |
| 10/06/1999 | EP0946271A1 Composite membrane comprising a polyether-polyester block copolymer coating for separating polar gases from gaseous mixtures |
| 10/06/1999 | EP0946270A1 Permeable composite material, method for producing said composite material, and use of the same |
| 10/06/1999 | EP0946269A1 Inhibition and delay of deposit formation in membrane processes |
| 10/06/1999 | EP0946257A1 Diffusional gas transfer system and method of using same |
| 10/06/1999 | EP0946250A1 Hydrophilic polymeric phase inversion membrane |
| 10/06/1999 | EP0946233A1 Method of gasifying or degasifying a liquid |
| 10/06/1999 | EP0797472B1 Process for separating heavy and light compounds by extraction with a supercritical fluid and by nanofiltration |
| 10/06/1999 | CN1230985A Method for producing cold-filtered beer |
| 10/05/1999 | US5961835 Process and installation for the separation of heavy and light compounds by extraction using a supercritical fluid and nanofiltration |
| 10/05/1999 | US5960777 Combustion engine air supply system |
| 09/30/1999 | WO1999048959A1 Microporous polyolefin film |
| 09/30/1999 | WO1999048932A2 Modified polymer and modified polymer membrane |
| 09/30/1999 | WO1999048840A1 Homogeneous massive porous ceramic material |
| 09/30/1999 | WO1999048839A1 Multichannel porous ceramic fibre |
| 09/30/1999 | WO1999048595A1 Oxygen generator system and method for operating the same |
| 09/30/1999 | DE19813613A1 Modifiziertes Polymer und modifizierte Polymermembran Modified polymer and modified polymer membrane |
| 09/29/1999 | EP0944420A1 Liquid chromatography column |
| 09/29/1999 | EP0863792B1 Filtration unit which can be tested for integrity and has hydrophilic porous membranes |
| 09/29/1999 | CN1229772A Multi-channel porous ceramic fiber |
| 09/29/1999 | CN1229770A Homogeneous bulky porous ceramic material |
| 09/28/1999 | US5958997 Alkaline salt, an acrylate and/or methacrylate of poly(ethylene glycol) alkyl ether with an unsaturated reactive radical, a poly(alkylene glycol) dimethacrylate or a poly(alkylene glycol) trimethacrylate, a vinylic monomer |
| 09/28/1999 | US5958989 Highly asymmetric ultrafiltration membranes |
| 09/23/1999 | WO1999047593A1 Microporous film |
| 09/23/1999 | WO1999047247A1 Solvent-resistant pan (polyacrylonitrile) membrane |
| 09/23/1999 | WO1999047246A1 Reinforced, three zone microporous membrane |
| 09/23/1999 | DE19812035A1 Catalytically active ceramic membrane production |
| 09/23/1999 | DE19811708A1 Extremely thin ultrafiltration or nanofiltration membrane production |
| 09/23/1999 | CA2322855A1 Microporous membrane |
| 09/22/1999 | EP0943645A2 Solvent- and acid-stable membrane based on acrylonitrile copolymer and process for producing such a membrane |
| 09/22/1999 | EP0943593A1 Electrically conductive ceramic bodies and method of applying electrical contacts onto such bodies |
| 09/22/1999 | EP0735852B1 Liquid dispenser for sterile solutions |
| 09/21/1999 | US5955029 Solid substrate microfabricated to define sample inlet port and mesoscale flow system, means to thermally regulate contents and to detect amplified polynucleotide by aggregation |
| 09/21/1999 | US5954966 Membrane composition and method of preparation |
| 09/21/1999 | CA2181189C Mesoscale polynucleotide amplification devices |
| 09/20/1999 | CA2266575A1 Multi-channel porous ceramic fiber |
| 09/20/1999 | CA2266566A1 Homogeneous bulky porous ceramic material |
| 09/16/1999 | WO1999046034A1 Composite hollow fiber membrane and its manufacture |
| 09/16/1999 | WO1999046032A2 Process gas purification and fuel cell system |
| 09/16/1999 | CA2322871A1 Process gas purification and fuel cell system |
| 09/15/1999 | EP0941760A1 Charge mosaic membrane, its production process, method of its use, and apparatus provided with the same |
| 09/15/1999 | EP0941759A1 Method for producing an exchanger and exchanger |
| 09/15/1999 | EP0892664A4 Selective membrane/sorption techniques for salvaging blood |
| 09/15/1999 | EP0646185B1 Production of metals from minerals |
| 09/15/1999 | CN1228753A Separation process in which membrane is used |
| 09/14/1999 | US5952421 A blends of ceramic precursor selected from polysilazanes, polysiloxazanes, amine boranes, polycarbosilanes, polyphenylborazones, aluminoxanes, dispersed metal particles; catalysts for petroleum process, separating membranes |
| 09/09/1999 | DE19809119A1 Preparation of polymer used for membrane in fuel cell in high yield at high speed |
| 09/08/1999 | EP0939669A1 Gas filter, method for producing a gas filter and use of said gas filter |
| 09/08/1999 | CN1227977A Electrochemical reactor cell for reacting oxygen-consuming gas with oxygen-containing gas |
| 09/08/1999 | CN1227976A Electrochemical process for oxidizing gas capable of reacting with oxygen |
| 09/07/1999 | US5948826 Heterogeneous ion exchange membrane and process for its production |
| 09/07/1999 | US5948519 Battery separator |
| 09/07/1999 | US5948255 Microfabricated particle thin film filter and method of making it |
| 09/02/1999 | WO1999043723A1 Process for producing aqueous dispersion containing polytetrafluoroethylene |
| 09/02/1999 | WO1999043424A1 Improvements in and relating to gas generators |
| 09/02/1999 | DE19811998C1 Solvent-resistant polyacrylonitrile membranes, useful especially for ultra- and nanofiltration |
| 09/02/1999 | CA2321813A1 Improvements in and relating to gas generators |
| 09/01/1999 | EP0690744B1 Membrane |
| 08/26/1999 | WO1999042709A1 Combustion engine air supply system |
| 08/26/1999 | WO1999042204A1 Process of forming a permeable gas separation material |
| 08/25/1999 | EP0589897B1 Method of making membranes |
| 08/24/1999 | US5942120 Composite microporous ultrafiltration membrane, method of making thereof, and separation methods |
| 08/24/1999 | US5942119 Conducting process in presence of hydrogen; reduction in flux decay |
| 08/19/1999 | WO1999041001A1 Methods and systems for producing a plurality of different microporous phase inversion membranes each having any one of a plurality of different pores |
| 08/19/1999 | WO1999040996A1 Selective membrane and process for its preparation |
| 08/19/1999 | WO1999033125A8 Separators for electrochemical cells |
| 08/19/1999 | WO1999012994A9 Block of copolymer phases as templates for structured organic-inorganic hybrid materials |
| 08/18/1999 | EP0935494A1 Cationically charge-modified membranes |
| 08/17/1999 | US5939520 Synthesized by reacting specific aromatic diimide dicarboxylic acids with select aromatic diamines |
| 08/17/1999 | US5939198 Porous polytetrafluoro-ethylene and preparation |
| 08/17/1999 | US5939032 Gas permeable, liquid impermeable membrane tube with porous plug inserted in each end and platinum catalyst in space between plugs; outer glass tube enclosing membrane tube; outtakes discharge to analystical instrument |
| 08/17/1999 | US5938929 Polysulfone hollow fiber semipermeable membrane |
| 08/17/1999 | US5938923 Microfabricated filter and capsule using a substrate sandwich |
| 08/17/1999 | US5938916 Electrolytic treatment of aqueous salt solutions |
| 08/17/1999 | US5938822 Dense membrane of matrix which conducts one type of ion and another constituent which enhances properties, with a porous coating which enhances rate of surface reactions; for separating gas species from mixture |
| 08/12/1999 | WO1999040031A2 Water purification apparatus |
| 08/11/1999 | EP0609446B1 Separating membrane made from polyion complex |
| 08/10/1999 | US5937263 Cup-shaped porous metal ultra-high efficiency filter and method of making same |
| 08/10/1999 | US5936106 Process with porous means to control reaction rate and heat |