Patents
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
09/2002
09/18/2002CN1369326A Inorganic membrane of boron doped gamma-Al2O3 with high high-temp stability
09/18/2002CN1091117C Microporous polytetrafluoroethylene (PTFE) bodies with filler, and its mfg. process
09/17/2002US6451921 Block copolymers with sulfonated polyether sulfone units
09/17/2002US6451386 Membranes in ultrafiltration and microfiltration; applying a fluid containing at least one type of acrylate monomer, ultraviolet light to said surface without the use of a free radical initiator
09/17/2002US6451260 Method for producing microporous elements, the microporous elements thus produced and uses thereof
09/17/2002CA2112115C Inorganic filtration unit
09/12/2002WO2002071518A1 Polymer membrane, method for the production and use thereof
09/12/2002WO2002070573A1 Microbicidal separating systems
09/12/2002WO2002070405A1 Device and method for manufacture of carbonaceous material
09/12/2002WO2002070402A2 Apparatus and process for the production of hydrogen
09/12/2002WO2002007478A3 Filter
09/12/2002US20020127474 Proton-selective conducting membranes
09/12/2002US20020127426 Hydrogen permeable membrane and hydride battery composition
09/12/2002US20020127387 System including hemofilter operable to receive blood from specimen and to selectively remove inflammatory mediators from blood, and therapeutic agent selected from allopurinol, elastase inhibitors and prostaglandin inhibitors; septic shock
09/12/2002US20020125189 Contacting the soultion with a membrane having a hydrophilic surface containing polar groups, and facilitates filtration of particulates of the solution, a ligand is covalently linked with polar groups, ligand have affinity for metal ions
09/12/2002US20020124722 Membranes retain selectivity for carbon dioxide even in the presence of streams rich in or saturated with c3+ hydrocarbon vapors
09/12/2002DE10110885A1 Mokrobizide Trennsysteme Mokrobizide separation systems
09/12/2002CA2439541A1 Polymer membrane, method for the production and use thereof
09/11/2002EP1239000A1 Porous hydrophilic membranes
09/11/2002EP1238999A1 Porous hydrophilic membranes
09/11/2002EP1238998A1 Aromatic polyether containing phosphonate groups and a process for the manufacture thereof
09/11/2002EP0989904B1 Membrane module with unilaterally embedded hollow fiber membranes
09/11/2002CN1368941A Water still and method of operation thereof
09/10/2002US6447684 Filtration and purification system for pH neutral solutions
09/10/2002CA2082511C Polyvinylidene fluoride membrane
09/06/2002WO2002068568A2 Membrane separation for sulfur reduction
09/06/2002WO2002068101A1 Process for recovering cellulose ethers from aqueous solutions via enhanced shear ultrafiltration
09/06/2002WO2002068100A1 Polymeric membranes and uses thereof
09/06/2002WO2002068094A1 Separating apparatus
09/06/2002CA2438700A1 Membrane separation for sulfur reduction
09/06/2002CA2438635A1 Polymeric membranes and uses thereof
09/06/2002CA2435007A1 Process for recovering cellulose ethers from aqueous solutions via enhanced shear ultrafiltration
09/05/2002DE10201691A1 Polymer electrolyte membrane for electrolyte fuel cell, is obtained by subjecting ion-conductive, aromatic polymer membrane having preset water absorption to hot-water treatment
09/05/2002DE10123635A1 High-performance nano-filtration membrane and filter production, comprises plasma coating closely-sized particles of different substances for subsequent selective removal
09/05/2002DE10109829A1 Polymermembran, Verfahren zu deren Herstellung sowie deren Verwendung Polymer membrane, process for their preparation and their use
09/05/2002DE10107539A1 Filterkörper Filter body
09/05/2002DE10106722A1 Spezielles Hohlfaser-Membranmodul für den Einsatz in stark durch fouling beeinträchtigten Prozessen und seine Herstellung Special hollow fiber membrane module for use in heavily affected by fouling processes and its preparation
09/04/2002EP1236741A1 Process for recovering cellulose ethers from aqueous solutions via enhanced shear ultrafiltration
09/04/2002EP1236503A1 Semipermeable porous membranes of semi-crystalline fluoropolymers
09/04/2002EP1235502A1 Drinking element
09/04/2002EP1062027A4 Microporous membrane and method for providing the same
09/04/2002EP0971786B1 Container
09/04/2002CN1367806A Fluid composition for producing and repairing ion exchange membranes
09/04/2002CN1367523A Semiconductor production system
09/04/2002CN1090042C Degassing liquids, apparatus and method
09/04/2002CN1090041C Liquid chromatography column
09/03/2002US6444107 Method and device for the simultaneous production of acid and base of high purity
09/03/2002US6444011 Contacting mixture of perfluorocompound gas and carrier gas with feed side of glassy polymer membrane, withdrawing from feed side a perfluoro compound, from permeate side a carrier gas; for semiconductor etching, cleaning processes
09/03/2002CA2273506C Lamo3 type composition, m being aluminium, gallium or indium, in powder or sintered form, method of preparation and use as conductor of oxygen
09/03/2002CA2145646C Phase-separated membrane
09/03/2002CA2031827C Process for producing multilayer polytetrafluoroethylene porous membrane
08/2002
08/29/2002WO2002066144A2 Composite structures of membranes that are selectively permeable to hydrogen and combustible gas processors using same
08/29/2002WO2002066141A2 Filter body
08/29/2002WO2002005937A3 Asymmetric, permanently hydrophilic filtration membranes
08/29/2002WO2001091873A3 Polysulfonamide matrices
08/29/2002US20020120073 Separating CO2 from a CO2-containing gas stream
08/29/2002US20020119577 Surface enhanced membrane and process and apparatus for producing same
08/29/2002US20020117446 Organic absorbent carbon-clad zirconium dioxide particles for column containing stationary phase and mobile phase
08/29/2002US20020117439 Filter cartridge having high area microporous membrane
08/28/2002EP1233927A1 Apparatus and method for forming a membrane with nanometer scale pores
08/28/2002EP1233827A1 Method for producing a membrane module
08/28/2002EP1154836A4 Hydrogen-selective silica based membrane
08/28/2002EP1094891B1 Preparation of an organic compound by a condensation reaction
08/28/2002EP0980286B1 Apparatus and method for performing membrane gas/liquid absorption at elevated pressure
08/28/2002EP0764461B1 Porous polysulfone membrane and process for producing the same
08/28/2002CN1365849A Low-separation extreme-hydrophilic mixing ultrafilter membrane and its preparing process
08/27/2002US6440885 Exhibiting few defects;
08/27/2002US6440309 Ceramic-supported polymer (CSP) pervaporation membrane
08/27/2002US6440306 Casting stable dispersions into layers, exposing to humidity, precipitation by quenching with nonsolvents and recovering polysulfones used as high retention/permeability filters
08/22/2002WO2002064529A1 Removal of thiophenic sulfur from gasoline by membrane separation process
08/22/2002WO2002064509A2 Water treatment apparatus
08/22/2002WO2002064242A2 Polymeric membrane for separation of fluids under elevated temperature and/or pressure conditions
08/22/2002WO2002064240A1 Separating film, separating film element, separating film module, sewage and waste water treatment device, and separating film manufacturing method
08/22/2002WO2002026364A3 Clamshell uf centrifugal filter vessel and method
08/22/2002US20020114958 Method of coating zeolite crystals, substrate containing zeolite crystals, method of manufacturing zeolite membrane, method of processing zeolite membrane, zeolite membrane, aluminum electrolytic capacitor, degassing membrane and separation method
08/22/2002US20020114725 Palladium-boron alloys and methods for making and using such alloys
08/22/2002US20020113008 Composite membrane and method for making the same
08/22/2002US20020113006 Unsupported multizone microporous membrane
08/22/2002US20020113004 Clam shell UF centrifugal filter vessel and method
08/22/2002CA2439173A1 Polymeric membrane for separation of fluids under elevated temperature and/or pressure conditions
08/22/2002CA2431009A1 Removal of thiophenic sulfur from gasoline by membrane separation process
08/21/2002EP1233302A1 Method of recycling wash-water resulting from film treatment
08/21/2002EP1233036A1 Polymethaphenylene isophthalamide based polymer porous film, method for producing the same and separator for cell
08/21/2002EP1232999A1 Zeolite formed product, zeolite laminate intermediate, zeolite laminate composite and method for their preparation
08/21/2002EP1080144B1 Microporous materials containing cross-linked oil
08/21/2002EP0876198B1 Method and device for removing iron from aqueous liquids
08/21/2002EP0765298B1 Synthesis of microporous ceramics by ammonia pyrolysis
08/20/2002US6437011 Porous substrate impregnated with alpha,beta,beta-trifluorostyrene homo- and copolymers, sulfonated or containing p-sulfonylfluoride-alpha,beta,beta-trifluorostyrene comonomer; membrane electrolytes
08/20/2002US6436319 Melt spinning with diluting agent to produce phase-separated undrawn hollow fiber; detecting tensile strength during winding and unwinding, adjusting rotation speeds; improved water permeability, molecular weight cut-off, porosity control
08/20/2002CA2290593C Non-porous gas permeable membrane
08/15/2002WO2002062896A1 Proton-conductive polymer film and process for producing the same
08/15/2002WO2002062449A2 Oleophobic membrane materials by oligomer polymerization for filter venting applications
08/15/2002WO2002062446A1 Process for degassing an aqueous plating solution
08/15/2002WO2002022712A3 Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof
08/15/2002US20020111524 Hydrocarbon mixture is split by membranes forming sulfur-rich and sulfur-lean fractions
08/15/2002US20020110681 Plasma treated porous film
08/15/2002US20020108900 Water treatment apparatus
08/15/2002US20020108898 Well(s) containing filtration devices
08/15/2002CA2437135A1 Proton-conductive polymer film and process for producing the same
08/15/2002CA2434651A1 Oleophobic membrane materials by oligomer polymerization for filter venting applications