| 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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| 10/26/1994 | EP0621071A1 A method for the separation of gases at low temperatures |
| 10/26/1994 | CN1093944A Preparation and composition of vapor permeable membrance |
| 10/25/1994 | US5358745 Forming reaction product of n-alkyl phenylenediamine and polyacyl halide by interfacially applying on a porous support, post treated with acid, coated with polyvinyl alcohol and a buffer/or base to improve physical properties |
| 10/25/1994 | US5358678 Polytetrafluoroethylene porous film and process for preparing the same |
| 10/25/1994 | US5358556 Membranes having selective permeability |
| 10/25/1994 | US5358553 Electrodepositing group 8 noble metal on cathode; used to separate hydrogen from mixtures thereof with hydrocarbons |
| 10/20/1994 | CA2121666A1 A method for the separation of gases at low temperatures |
| 10/19/1994 | EP0619757A1 Catalytic filtration device and method |
| 10/19/1994 | EP0423369B1 Antithrombotic blood treating system |
| 10/18/1994 | US5357031 Containing small amounts of organophosphorus compounds for improved flame resistance; high strength |
| 10/18/1994 | US5356936 Exposing to oxygen plasma |
| 10/18/1994 | US5356728 Cross-flow electrochemical reactor cells, cross-flow reactors, and use of cross-flow reactors for oxidation reactions |
| 10/18/1994 | US5356461 Permselectivity for oxygen and nitrogen mixtures; polymeric multilayer |
| 10/18/1994 | US5356459 Separating gas mixture by contacting with composite membrane produced by one step coating process providing interior separation layer and exterior protective polysiloxane layer |
| 10/13/1994 | WO1994022561A1 Composite carbon fluid separation membranes |
| 10/13/1994 | WO1994022555A1 Microfilter plate and process for making it |
| 10/13/1994 | CA2159446A1 Composite carbon fluid separation membranes |
| 10/12/1994 | CN1093299A Method of improving the selectivity of carbon membranes by chemical carbon vapor deposition |
| 10/11/1994 | US5354587 Hydrophilic compositions with increased thermal and solvent resistance |
| 10/11/1994 | US5354547 Passing feed mixture of primary and secondary feed components into separator containing a composite semipermeable membrane, where portions of the secondary component are preferentially adsorbed |
| 10/11/1994 | US5354470 Artificial lung; hollow fibers having lumps connected in the direction of the fiber axis; three dimensional network; durability; high gas-exchanging capacity; no leakage of blood |
| 10/11/1994 | CA1332325C Stable membranes from sulfonated polyarylethers |
| 10/05/1994 | EP0617997A1 Method of improving the selectivity of carbon membranes by chemical carbon vapor deposition |
| 10/05/1994 | EP0617996A1 Polyelectrolyte membranes for the separation of acid gases |
| 10/05/1994 | EP0617993A1 Microfilter disc and process for its production |
| 10/05/1994 | CN1093018A Hollow fibre film with characteristic of transmiting of reinforcement and preparation of same |
| 10/04/1994 | US5352513 Layers of crystallized polyolefin and hydrocarbon processing compound coated with a fluorochemical oxazolidinone; clothing; aging and wear resistance |
| 10/04/1994 | US5352511 Copolymer of fluorinated ethylenically unsaturated monomer and vinyl alcohol reacted with a monoepoxide |
| 10/04/1994 | US5352316 Welding a gas-permeable, liquid-impervious, perforated linear low density polyolefin film coated with porous polyurethane to the walls and covering the deodorizing filter |
| 10/04/1994 | US5352273 Alkyl substituted aromatic polyester gas separation membranes |
| 10/04/1994 | US5352272 Cooling streams of nitrogen and oxygen obtained by exposing heated air to permselective membrane having pressure on the one side and vacuum on the other |
| 10/04/1994 | CA1332215C Membrane filter and fabrication process thereof |
| 09/30/1994 | CA2119666A1 Polyelectrolyte membranes for the separation of acid gases |
| 09/29/1994 | WO1994021462A1 Method for bonding a porous medium to a substrate |
| 09/29/1994 | WO1994021363A1 Membrane and method for the separation of protein-bound substances from a protein-containing liquid by dialysis |
| 09/29/1994 | WO1994021354A1 Method for improving filter efficiency |
| 09/29/1994 | CA2158943A1 Method for bonding a porous medium to a substrate |
| 09/27/1994 | US5350805 Reverse osmosis or ultrafiltration membrane |
| 09/27/1994 | US5350521 Process for separating catalysts from organic solutions, by means of semipermeable membranes |
| 09/22/1994 | DE4325650C1 Membranes made of acrylonitrile copolymers, process for the production thereof and use thereof |
| 09/21/1994 | EP0616004A1 Porous polytetrafluoroethylene and production process |
| 09/21/1994 | EP0615780A1 Membrane and method for the separation of protein-bound substances from a protein-containing liquid by dialysis |
| 09/21/1994 | EP0615519A1 Structure for a filter or a heat exchanger and a method for making the structure |
| 09/21/1994 | EP0495845B1 Porous inorganic membranes |
| 09/20/1994 | US5348691 Atmosphere membrane humidifier and method and system for producing humidified air |
| 09/20/1994 | US5348657 Process for the separation of catalyst-free working solution from the hydrogenation circuit of the anthraquinone process for the production of hydrogen peroxide |
| 09/20/1994 | US5348652 Semipermeable composite membrane |
| 09/20/1994 | US5348569 Sulfonated polymers for membranes for reverse osmosis |
| 09/15/1994 | WO1994020207A1 Exothermic process with porous means to control reaction rate and exothermic heat |
| 09/15/1994 | CA2157408A1 Exothermic process with porous means to control reaction rate and exothermic heat |
| 09/14/1994 | EP0614923A1 Hydrophilic material and semipermeable membrane made therefrom |
| 09/13/1994 | CA1331955C Filtering device for blood platelet |
| 09/07/1994 | CN1091678A Process for producing ion exchange membranes, and theion exchange membranes produced thereby |
| 09/06/1994 | US5344560 Process for producing filtration membranes having amino acids that are capable of adsorbing proteins |
| 09/01/1994 | WO1994019399A1 Single-film membrane, preparation method therefor and use thereof |
| 08/31/1994 | EP0612722A2 Isocyanate-substituted isophthaloyl chlorides |
| 08/30/1994 | US5342521 Porous inorganic support coated on one face with mesoporous inorganic material having pore radius below 10 nm, an active layer of Nafion" or sulfonated polysulfone, grafted polyvinylidine fluoride, polybenzimidazolone |
| 08/30/1994 | US5342431 Metal oxide membranes for gas separation |
| 08/25/1994 | DE4326284A1 Polyimides containing functionalities, in particular thermally and/or chemically labile functionalities, bonded to the pyromellitic diimide unit in the 3- and/or 6-position |
| 08/24/1994 | EP0611790A2 Polytetrafluoroethylene porous film and preparation and use thereof |
| 08/24/1994 | CN1091157A Production of metal from minerals |
| 08/24/1994 | CN1091142A Film of polycarbonate |
| 08/24/1994 | CN1091113A Method for preparation of purified, softened, activated and polarized water and its application |
| 08/24/1994 | CN1025729C Mixing-ultra filtering method treating system for cotton size black fluid |
| 08/23/1994 | US5340480 Polysulfone-based hollow fiber membrane and process for manufacturing the same |
| 08/18/1994 | WO1994018262A1 Polymer and porous structure |
| 08/18/1994 | WO1994017985A1 Process of making microporous pps membranes |
| 08/18/1994 | WO1994017974A1 Process of making microporous pps membranes |
| 08/18/1994 | WO1994017906A1 Inter-penetrating network charge modified microporous membrane |
| 08/18/1994 | WO1994017905A1 Polymer porous structure and process |
| 08/18/1994 | WO1994017904A1 Modified membrane for medical purposes |
| 08/18/1994 | WO1994017894A1 Leukocyte removal method and filter unit for same |
| 08/18/1994 | DE4329473C1 Pressure-stable inorganic membranes |
| 08/18/1994 | CA2155516A1 Inter-penetrating network charge modified microporous membrane |
| 08/18/1994 | CA2155188A1 Polymer porous structure and process |
| 08/18/1994 | CA2154069A1 Process of making microporous pps membranes |
| 08/17/1994 | EP0610715A1 Membrane module for the removal of gaseous substances from a gas stream |
| 08/16/1994 | US5338455 Process for the separation of components in an organic liquid medium and a semi-permeable composite membrane therefor |
| 08/10/1994 | EP0609446A1 Separating membrane made from polyion complex |
| 08/09/1994 | US5336409 Composite reverse osmosis membrane and novel acid chloride |
| 08/09/1994 | US5336298 Polyelectrolyte membranes for the separation of acid gases |
| 08/04/1994 | WO1994016811A1 Activated carbons molecularly engineered |
| 08/04/1994 | WO1994016803A1 Thermally induced phase separated azlactone membrane |
| 08/04/1994 | WO1994016802A1 Polytetrafluoroethylene porous film and method for manufacturing the same |
| 08/04/1994 | CA2154757A1 Activated carbons molecularly engineered |
| 08/03/1994 | EP0608826A1 Separation of aluminum alkyls from olefins using polyphenylene oxide membrane |
| 08/03/1994 | EP0608366A1 Oil, water and sweat repellent microporous membrane materials. |
| 08/02/1994 | US5334697 Contains repeating units derived from 9,9-disubstituted xanthene dianhydride |
| 08/02/1994 | US5334314 Composition membrane for separating water from fluids containing organic components by means of pervaporation |
| 08/02/1994 | US5334311 Resolution of optical isomers |
| 08/02/1994 | CA1331114C Alkali resistant hyperfiltration membrane |
| 07/27/1994 | CA2111812A1 Separation of aluminum alkyls from olefins using polyphenylene oxide membrane |
| 07/26/1994 | US5332597 Separation of oxygen from mixtures |
| 07/26/1994 | CA1330864C Crystalline (metallo) silicates and process for preparing such (metallo) silicates |
| 07/21/1994 | WO1994016002A1 Process for producing ion exchange membranes, and the ion exchange membranes produced thereby |
| 07/21/1994 | DE4400959A1 New polyarylene ether with improved thermal stability |
| 07/21/1994 | CA2153973A1 Process for producing ion exchange membranes, and the ion exchange membranes produced thereby |
| 07/20/1994 | EP0606198A1 Microporous hollow fiber or film membrane of poly(phenylene sulfide) (pps) |
| 07/20/1994 | EP0494187B1 Porous membranes suitable for separation devices and other uses |
| 07/20/1994 | EP0425491B1 Reversible mechanochemical engines comprised of bioelastomers capable of modulable inverse temperature transitions for the interconversion of chemical and mechanical work |