B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus

Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858)
11/2004
11/25/2004	US20040232066 Semipermeable composite membrane and process for producing the same
11/25/2004	US20040231915 Sound absorptive multilayer composite
11/25/2004	US20040231914 Low thickness sound absorptive multilayer composite
11/25/2004	DE10318995A1 Etching permeable membranes made from semipermeable membranes by electrochemical etching of macro-pores on a plane side of a flat semiconductor
11/23/2004	US6821430 Desalting; water permeability; separation; polyamide skin layer in contact with aqueous bromide solution
11/18/2004	WO2004100214A2 Metal sacrificial layer
11/18/2004	WO2004099299A2 Porous poly(aryl ether ketone) membranes, processes for their preparation and use thereof
11/18/2004	WO2004099086A1 Filter cartridge for fluid for treating surface of electronic device substrate
11/18/2004	WO2004021485A3 Method and apparatus for transferring thin films from a source position to a target position
11/18/2004	WO2004016341A3 Fluoropolymer membrane
11/18/2004	US20040226887 High percentage recovery method for purifying microemulsions
11/18/2004	DE10304322A1 Production of enclosed zeolite layers for use in e.g. catalysis or separation membranes, comprises first seed crystallization on carrier followed by further crystallization using different synthesis solution or gel
11/17/2004	CN1546213A Method for making adjustable equal dimension triangular hole inorganic films by external direct current field self-assembly
11/16/2004	US6818688 Use of (per)fluoropolyether derivatives in the treatment of substrata having a low surface energy
11/16/2004	US6818259 Remote plasma discharge process is preferably conducted so that no photons, and particularly no ultraviolet radiation, is transmitted from the plasma glow to the porous article
11/16/2004	US6818133 Semipermeable membranes
11/11/2004	WO2004097907A2 Method for the production of permeable membranes from semiconductor materials using macro- and micro-pore etching
11/11/2004	WO2004097077A2 Method for the etching of permeable membranes made from semiconductor materials using macro- and meso-pore etching
11/11/2004	WO2004096418A1 Hollow fiber ultrafilter membrane with poly(phthalazinone ether fulfone), poly(phthalazinone ether ketone) or poly(phthalazinone ether sulfone ketone) and preparation thereof
11/11/2004	WO2004096415A1 Process for the separation of olefins from paraffins using membranes
11/11/2004	WO2004085034A3 Composite gas separations modules having intermediate metal layers
11/11/2004	US20040225153 membranes for fuel cells; crosslinking
11/11/2004	US20040225094 addition-condensation copolymer containing peroxyalkylene glycol and unsaturated fluorine compound
11/11/2004	US20040222169 Porous poly(aryl ether ketone) membranes, processes for their preparation and use thereof
11/11/2004	US20040222148 Preparation of porous poly(aryl ether) articles and use thereof
11/11/2004	DE202004008615U1 Mikroporöse Membran auf Cellulosebasis Microporous membrane based on cellulose
11/10/2004	EP1474222A1 Halar membranes
11/10/2004	EP1474221A1 Pre-metered, unsupported multilayer microporous membrane
11/10/2004	CN1545433A Multilayer microporous membrane
11/09/2004	US6814865 For desalination of electrolyte solutions; 4-vinyl pyridine polymerized on a woven pvc support and crosslinked with epichlorohydrin and aniline
11/09/2004	US6814724 Water purification pack
11/04/2004	WO2004094049A1 Hydrophilic membrane and process for making the same
11/04/2004	WO2004007060A3 Uv treated membranes
11/04/2004	US20040217055 purified; fatty acids removed; efficiency, low cost
11/03/2004	EP1473075A2 Negatively charged membrane
11/03/2004	EP1471991A2 Micro-fluidic anti-microbial filter
11/03/2004	EP0888211B1 Highly porous polyvinylidene difluoride membranes
11/03/2004	EP0663235B1 Phase separated membrane
11/03/2004	CN1543481A Method for producing a membrane from a cross-linked polymer blend, and corresponding fuel cell
11/03/2004	CN1543374A Hollow fiber membrane for purifying blood and method for preparation thereof
11/03/2004	CN1173772C New material for ascites ultrafiltering, concentrating and back-infusing device and producing method
11/02/2004	US6811696 Flat sheet membrane cast from dope comprising solvent and hexafluoropropylene-tetrafluoroethylene-vinylidene fluoride terpolymer; support of reticulated network of flow channels
10/2004
10/28/2004	WO2004092257A1 Porous film of vinylidene fluoride resin and method for producing same
10/28/2004	WO2004092076A1 Microporous filter media with intrinsic safety feature
10/28/2004	WO2004091747A2 Ultralyophobic membrane
10/28/2004	US20040215045 feed stream containing olefins and praffins is humidified, demisted, treated to remove sulfur compounds and passed to a cell having a chitosan membrane containing chelated silver or cuprous compounds and these metal compounds are capable of forming complex with olefin
10/28/2004	US20040213985 Preparing a precursor film by injection of a polymer, which is used for a support layer, into an extruder; annealing the precursor film; coating with polymer solution; drying; low temperature-stretching; high temperature-stretching; heat-setting
10/28/2004	US20040213918 porous substrate is pretreated in a plasma field and a functionalizing monomer is immediately flash-evaporated, deposited and cured over the porous substrate in a vacuum vapor-deposition chamber; imparting properties such as water and oil repellency, friction resistance, fire retardancy, conductivity
10/28/2004	US20040211054 Microfluidic systems with embedded materials and structures and method thereof
10/28/2004	CA2752109A1 Microporous filter media with intrinsic safety feature
10/28/2004	CA2522227A1 Porous film of vinylidene fluoride resin and method for producing same
10/27/2004	EP1470854A1 Epoxide-crosslinked, charged cellulosic membrane
10/27/2004	EP1469935A2 Polyolefin membrane with an integrally asymmetric structure and method for the production thereof
10/27/2004	EP1315555B1 Modified polymer having improved properties and process for manufacturing same
10/27/2004	EP1105433B1 Modification of engineering-polymers with basic n groups and ion-exchange groups in the side chain
10/27/2004	EP0968196B1 Perfluorovinyl ionic compounds and their use in conductive materials
10/27/2004	CN1539550A Method for modifying hydroophilicity of highly active separation membrane made from polymer
10/27/2004	CN1539548A Spiral wound separation mebrane element
10/26/2004	US6808375 Expanded porous thermoplastic polymer membranes and device for the production thereof
10/26/2004	CA2233815C Process for purification of organic sulfonates and novel product
10/21/2004	WO2004089520A1 A process for drying a wet porous membrane structure and the porous membrane structure obtained from said process
10/21/2004	WO2004064986B1 An improved process for the preparation of porous membrane
10/21/2004	WO2003064015A3 Polymer blends and methods of separation using the same
10/21/2004	WO1995013858A9 Hydrophilic compositions with increased thermal and solvent resistance
10/21/2004	US20040206694 Epoxide-crosslinked, charged cellulosic membrane
10/21/2004	US20040206693 Crosslinked cellulosic membrane
10/21/2004	US20040206692 Hollow fiber membrane for purifying blood
10/20/2004	EP1469016A1 Perfluorinated polymers
10/20/2004	EP1468724A1 Dithiolene functionalized polymer membrane for olefin/paraffin separation
10/20/2004	EP1468723A1 Crosslinked cellulosic membrane
10/20/2004	EP1468125A2 Method for the generation of pores or channels in a body made from a metallic material and metallic body made by said method
10/19/2004	US6805972 Method of forming nanoporous membranes
10/19/2004	US6805731 Hollow fiber membrane contactor
10/15/2004	CA2464541A1 Dithiolene functionalized polymer membrane for olefin/paraffin separation
10/14/2004	US20040203149 Composite materials comprising supported porous gels
10/14/2004	US20040201119 Thin porous layer with open porosity and a method for production thereof
10/13/2004	EP1466659A1 A process for drying a wet porous membrane structure and the porous membrane structure obtained from said process
10/13/2004	CN1171087C Method of defining an eleectrode area
10/13/2004	CN1170877C Separator for secondary battery and micro porous film made of polyolefin blend and process for preparing the same
10/13/2004	CN1170620C Polysulfone copolymer membranes and preparing process thereof
10/12/2004	US6802971 Fiber wall has a lower mass density zone at the inner surface and a higher mass density zone at the outer surface; inner lumens provides means for transporting the exudate ex-vivo; asymmetrical
10/12/2004	US6802820 Medical equipment for dialysis, congestive heart failure, etc.
10/07/2004	WO2004085525A1 Microporous polyethylene film
10/07/2004	WO2004085044A1 Method for fabricating composite gas separation modules
10/07/2004	WO2004085043A1 Method for curing defects in the fabrication of a composite gas separation module
10/07/2004	WO2004085034A2 Composite gas separations modules having intermediate metal layers
10/07/2004	US20040198849 Ion exchange membranes, methods and processes for production thereof and uses in specific applications
10/07/2004	US20040198121 Asymmetric porous polytetrafluoroethylene membrane for clothing
10/07/2004	US20040197593 a substrate pickup formed a semiconductor type material which is complimentary to the semiconductor material type of a well , to define a diode, which is partially turned on, so as to increase the potential of a substrate of the complimentary metal oxide semiconductor, reduce turn-on thrushold voltage
10/07/2004	US20040195173 Asymmetric porous polytetrafluoroethylene membrane for a filter
10/07/2004	US20040195172 Acrylate crosslinking to impart desirable characteristics; providing mechanical and heat stable coating
10/07/2004	US20040195164 Spiral separation membrane element
10/07/2004	US20040194626 Surface modification of porous metal substrates
10/07/2004	CA2519774A1 Method for fabricating composite gas separation modules
10/07/2004	CA2519769A1 Composite gas separation modules having intermediate porous metal layers
10/07/2004	CA2519766A1 Method for curing defects in the fabrication of a composite gas separation module
10/06/2004	EP1464669A1 Polyolefin microporous membrane and method of evaluating the same
10/06/2004	EP1464477A2 Method of preparing a highly porous polyvinylidene difluoride membrane
10/06/2004	EP1464382A1 Asymmetric porous polytetrafluoroethylene membrane for clothing
10/06/2004	EP1464381A1 Asymmetric porous polytetrafluoroethylene membrane for a filter

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