| Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060) |
|---|
| 05/20/1999 | WO1999024364A1 Process for removing silica from wastewater |
| 05/20/1999 | WO1999024141A1 Micromachined membrane particle filter using parylene reinforcement |
| 05/20/1999 | DE19750628A1 Preparation of a liquid crystal hydrogel |
| 05/19/1999 | EP0916384A1 Solid electrolyte ionic conductor oxygen production with steam purge |
| 05/19/1999 | CN1217004A Integral multi-layered ion-exchange composite membranes |
| 05/19/1999 | CN1217003A Process for mfg. porous polymer from a mixture |
| 05/18/1999 | US5904848 Porous membrane with glass particles embedded in plastic |
| 05/18/1999 | US5904754 Diffusion-bonded palladium-copper alloy framed membrane for pure hydrogen generators and the like and method of preparing the same |
| 05/18/1999 | CA2254134A1 Solid electrolyte ionic conductor oxygen production with steam purge |
| 05/14/1999 | WO1999023034A1 Water treatment process |
| 05/14/1999 | WO1999022852A1 Method for producing hollow fibrous membranes for microfiltration, ultrafiltration or gas separation |
| 05/14/1999 | WO1999022836A2 Treatment of composite polyamide membranes with hypochlorite to improve performance |
| 05/14/1999 | CA2309149A1 Treatment of composite polyamide membranes to improve performance |
| 05/14/1999 | CA2306847A1 Water treatment process |
| 05/12/1999 | EP0914185A1 Pour-through and pitcher mounted water filter |
| 05/12/1999 | EP0787369A4 Proton conducting polymers |
| 05/12/1999 | EP0574588B1 Biaxially oriented high-molecular polyethylene film and production thereof, and surface-modified, biaxially oriented high-molecular polyethylene film and production thereof |
| 05/12/1999 | CN1216480A Procedure for preparing molecular sieve films |
| 05/11/1999 | US5902747 Transferring gaseous component between two fluids through membrane unit including liquid impermeable, oxygen permeable nonporous membrane formed of amorphous copolymer of perfluoro-2,2-dimethyl-1,3-dioxole |
| 05/11/1999 | US5902532 Forming solution of cellulose in amine oxide, cooling, coagulating under controlled humidity |
| 05/06/1999 | WO1999021914A1 Process for preparing highly permeable microporous polyolefin film |
| 05/06/1999 | WO1999021649A1 Catalytic membrane reactor with two component three-dimensional catalysis |
| 05/06/1999 | WO1999021643A1 Hollow membranes with capillary tubes, modules for treating fluid using same and methods for making same |
| 05/06/1999 | WO1999021640A1 Composite materials for membrane reactors |
| 05/06/1999 | EP0913422A2 Ion exchange membrane |
| 05/06/1999 | EP0913186A1 Hollow fiber membrane and method of manufacturing same |
| 05/06/1999 | EP0912628A1 Method for producing cellulosed formed parts |
| 05/06/1999 | EP0912223A1 Microfabricated filter and shell constructed with a permeable membrane |
| 05/05/1999 | CN1215702A Two-phase anaerobic membrane-biologic system and process for treatment of waste water |
| 04/29/1999 | WO1999020591A1 Preparation of ethylene by gas permeation |
| 04/29/1999 | WO1999020378A1 A manufacturing method of composite membrane having hydrophilic coating layer on hydrophobic support membrane |
| 04/28/1999 | EP0911074A1 Ultraporous and microporous membranes and method of making membranes |
| 04/28/1999 | EP0911073A1 Hydrophilic membrane |
| 04/28/1999 | EP0910447A1 Method for the colorimetric quantification of ions |
| 04/28/1999 | CN1215351A 改进的膜 Improved membrane |
| 04/27/1999 | US5897915 Coated substrates, method for producing same, and use therefor |
| 04/27/1999 | US5897817 Process for making a medical device from a cellulose acetate hollow fiber semipermeable membrane |
| 04/27/1999 | CA2249253A1 Hydrophilic membrane |
| 04/27/1999 | CA2029484C Gas separation by adsorbent membranes |
| 04/27/1999 | CA2028177C Filtration media with low protein adsorbability |
| 04/22/1999 | DE19745806A1 Processing off-gas from oxidation of olefin to carbonyl compounds |
| 04/21/1999 | EP0570486B1 An inorganic composite membrane comprising molecular sieve crystals |
| 04/21/1999 | CN1214708A Process for manufacture of porous polymer by use of porogen |
| 04/21/1999 | CN1214322A Preparation method and equipment of Liuhuan function water |
| 04/21/1999 | CN1214276A Coated membranes |
| 04/20/1999 | US5895769 In-situ crystallized zeolite containing composition (LAI-ISC) |
| 04/20/1999 | US5895575 Whole blood and platelet leukocyte filtration apparatus |
| 04/20/1999 | CA2104819C Process for recovering oxygen from gaseous mixtures containing water or carbon dioxide which process employs barium-containing ion transport membranes |
| 04/15/1999 | WO1999017866A1 Composite hollow fiber membrane |
| 04/15/1999 | WO1999005126A8 Perfluorovinyl ionic compounds and their use in conductive materials |
| 04/14/1999 | EP0908227A1 Coated membranes |
| 04/14/1999 | CN1042898C Gas separating membranes and gas separating process using same |
| 04/13/1999 | US5893974 Inorganic porous shell provoding a selective molecular barrier between interior and exterior |
| 04/08/1999 | WO1999016603A1 Porous membrane comprising ceramic and containing plastic as binder |
| 04/08/1999 | WO1999016530A1 Microstructured filter |
| 04/08/1999 | CA2303858A1 Porous membrane comprising ceramic and containing plastic as binder |
| 04/07/1999 | CN1213339A Highly porous polyvinylidene difluoride membranes |
| 04/06/1999 | US5891572 Method of preparing membranes from blends of polymers |
| 04/06/1999 | US5891370 Membranes |
| 04/06/1999 | US5891338 Hydrophobic polymers covalently bonded into block polymer; hemodialysis, hemofiltration, plasmapheresis, immunotherapy steaming resistance |
| 04/01/1999 | WO1999015464A1 Recovery and reuse of nonionic surfactants from aqueous solutions |
| 04/01/1999 | WO1999015280A1 Ordered mesoporous thin films |
| 04/01/1999 | WO1999015272A1 Catalytically active permeable composite material, method for producing said composite material, and use of the same |
| 04/01/1999 | WO1999015262A1 Permeable composite material, method for producing said composite material, and use of the same |
| 04/01/1999 | WO1999015260A1 Method for separating mixtures of substances using a material pervious to said substances |
| 04/01/1999 | WO1999015257A1 Gas filter, method for producing a gas filter and use of said gas filter |
| 04/01/1999 | WO1998051403A9 Process for making surface modified porous membrane with perfluorocarbon copolymer |
| 04/01/1999 | DE19839202A1 Perovskite-type substance containing oxide of mixed ions and having high electronic-ionic mixed conductivity |
| 04/01/1999 | CA2272318A1 Method for separating mixtures of substances using a material pervious to said substances |
| 04/01/1999 | CA2272314A1 Gas filter, method for producing a gas filter and use of said gas filter |
| 03/31/1999 | EP0904833A1 Membrane-type reaction vessel |
| 03/31/1999 | EP0734365B1 Production of polymerization grade dicyclopentadiene |
| 03/30/1999 | US5888605 Polysulfone semipermeable membrane and method of manufacturing the same |
| 03/30/1999 | US5888470 Partially oxidizing hydrocarbon gas mixture to produce hydrogen and carbon monoxide, passing through membrane separator, forwarding retentate to electricity generator, separating permeate by adsorption to obtain pure hydrogen |
| 03/30/1999 | US5888434 Process for making a microporous membrane from a blend containing a poly (phenylene sulfide) polymer, an amorphous polymer, and optionally a solvent |
| 03/30/1999 | US5888272 Process for enriched combustion using solid electrolyte ionic conductor systems |
| 03/30/1999 | CA2139604C Ion transport membranes with catalyzed dense layer |
| 03/30/1999 | CA2139603C Ion transport membranes with catalyzed mixed conducting porous layer |
| 03/25/1999 | WO1998048921A9 Autothermic reactor comprising oxygen ion conducting dense ceramic membrane and process using the autothermic reactor for producing synthesis gas |
| 03/25/1999 | DE19741498A1 Ceramic/stainless steel composite material used in the production of e.g. membrane filters |
| 03/24/1999 | EP0902893A1 Means for the biological purification of a biological fluid |
| 03/24/1999 | CN1211966A Hollow microfiber of ceramic material, process for its manufacture and its use |
| 03/23/1999 | US5886059 Porous filter was produced by blending the polymer with a solvent, adding a non-solvent into solution, exposing to a gas, precipitating the polymer by quenching the dispersion with a non-solvent |
| 03/23/1999 | US5885456 Microporous ulrafiltration membrane comprising blend of polysulfone and polysulfone grafted with free radical initiated addition polymer; water wettable, low protein binding |
| 03/18/1999 | WO1999012994A1 Block of copolymer phases as templates for structured organic-inorganic hybrid materials |
| 03/17/1999 | EP0814887A4 Filtration monitoring and control system |
| 03/17/1999 | CN1210750A Chiral ligand exchanging and separating membrane and its preparing method |
| 03/17/1999 | CN1042498C Polytetrafluoroethylene porous film and method for making the same |
| 03/16/1999 | US5884138 Method for improving the stiffness of extrudates |
| 03/16/1999 | US5883161 Preventing food contamination |
| 03/16/1999 | US5882518 Microporous film of high molecular weight polyolefin and process for producing same |
| 03/16/1999 | US5882496 Porous silicon structures with high surface area/specific pore size |
| 03/16/1999 | US5882382 Polyimide semipermeable membrane |
| 03/11/1999 | WO1999011582A1 Porous ceramic structures and methods of making porous ceramic structures |
| 03/11/1999 | WO1999011362A1 Filter element having a filter active structure coated with a nanoceramic layer |
| 03/11/1999 | DE19738913A1 Block Copolymer Phasen als Template für strukturierte organisch-anorganische Hybridmaterialien Block copolymer phases as templates for structured organic-inorganic hybrid materials |
| 03/10/1999 | EP0900588A1 Gas separation membranes based on regiospecific polyamide-imides |
| 03/10/1999 | EP0900587A1 Gas-separating dense ceramic membrane |
| 03/10/1999 | EP0900249A1 Integral multi-layered ion-exchange composite membranes |
| 03/10/1999 | CN1210474A Compounds for sorption of gases |