Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 69 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
Patents for B01D 69 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor (16,729)
12/1995
12/19/1995US5476587 Leukocyte-separating filter and leukocytes remover
12/19/1995CA2025612C Gas separation by semi-permeable membranes
12/14/1995WO1995033549A1 Porous polysulfone membrane and process for producing the same
12/14/1995DE4420086A1 Modified polymer membrane for gas permeation, nano-filtration, etc.
12/14/1995CA2192351A1 Porous polysulfone membrane and process for producing the same
12/14/1995CA2190482A1 Process for preparing hollow fibre sections for hollow fibre modules and said hollow fibre section for a hollow fibre module
12/13/1995CN1113165A Precess for producing composite membranes
12/12/1995US5474680 Filtration
12/05/1995US5472607 Free of acrylonitrile repeating units; used in filtration and reverse osmosis applications
11/1995
11/29/1995EP0684068A2 Tubular filtration membrane, apparatus and method for making same
11/29/1995EP0683691A1 Inter-penetrating network charge modified microporous membrane
11/29/1995EP0683687A1 Leukocyte removal method and filter unit for same
11/29/1995EP0656807A4 Filtration medium including substrate-supported porous membrane and method for the manufacture thereof.
11/29/1995EP0549670B1 Polymer membrane
11/29/1995CN2213563Y Sleeve type hollow fibre supported liquid film assemblage
11/28/1995US5470474 Process for cleaning hollow fibers
11/26/1995CA2150073A1 Filtration
11/22/1995EP0682977A2 Improved polymeric membrane
11/22/1995EP0682976A2 Process for enhancing the selectivity of mixed gas separations
11/22/1995EP0682677A1 Polymer and porous structure
11/22/1995EP0682560A1 Polymer porous structure and process
11/22/1995EP0536328B1 Narrow pore-size distribution polytetramethylene adipamide or nylon 46 membranes and process for making them
11/21/1995US5468430 Process of making multicomponent or asymmetric gas separation membranes
11/21/1995CA2149806A1 Polymeric membrane
11/20/1995CA2149699A1 Process for enhancing the selectivity of mixed gas separations
11/16/1995WO1995030474A1 Composite membrane for chemical synthesis
11/16/1995DE19516908A1 Composite membrane useful for gas sepn. and pervaporation
11/16/1995CA2188442A1 Composite membrane for chemical synthesis
11/15/1995EP0681862A2 Composite membrane and process for the production thereof
11/15/1995EP0458790B1 A method for drying of gases, especially compressed air, a membrane for carrying out said method and a process for the manufacturing of said membrane
11/09/1995DE4416134A1 Oxygen@ sepn. from air at high temps. using semi-permeable membrane
11/02/1995WO1995029008A1 Separating and concentrating certain ions using ion-binding ligands bonded to membranes
11/02/1995EP0679110A1 A filter.
11/02/1995CA2188649A1 Separating and concentrating certain ions using ion-binding ligands bonded to membranes
11/01/1995CN1030170C Method for prodn. of high effective separating film
11/01/1995CN1030169C Porous membranes
10/1995
10/31/1995US5463010 Coatings for substrates to impart properties such as hydrophobicity, thromboresistance, gas permeability and biocompatibility
10/31/1995US5462667 Multilayer membrane for removal of pyrogens from spinal fluid as treatment for nervous system disorders
10/25/1995EP0678327A2 Membrane for the microfiltration of suspensions or for gas separation
10/25/1995EP0678051A1 Currents in narrow pores
10/18/1995EP0677321A1 Hose assembly and method of making the same
10/17/1995US5458951 Porous film, method for manufacturing the same, gas permeability control film, and water vapor permeability control film
10/17/1995US5458719 Minimization of blockage of pores
10/12/1995WO1995026993A1 Surface-modifying endgroups for biomedical polymers
10/11/1995EP0676383A2 Process for preparing a porous or pseudoporous anisotropic material, with a ceramic polymer lattice
10/10/1995US5456843 Microfiltration and/or ultrafiltration membrane, method of preparation and method of filtration by means of such a membrane
10/10/1995US5456839 Pervaporation through a polyvinylpyridine membrane which has been quaternized and cross-linked
10/10/1995US5456835 Filter of surface-modified cellulose acetate covelantly linked to ligand for hemoglobin and textile fibers stable to alkaline hydrolysis
10/04/1995EP0674938A1 Process for producing composite membranes
10/04/1995EP0674937A2 Non-porous polymeric membrane on a porous inorganic support
10/04/1995EP0674576A1 Casting hollow fiber membranes
10/04/1995EP0674534A1 Method and device for producing a hypoxic gas mixture
10/04/1995CN2208970Y Aseptic membrane filter element
10/03/1995CA2001395C Noningestible separation barrier with plugged pores
09/1995
09/28/1995WO1995025582A1 High-flux polyacrylonitrile dialysis diaphragm
09/27/1995EP0673674A1 Composite membrane and process for preparing the same
09/27/1995EP0618884B1 Method of introducing hydrogen into aqueous liquids without forming bubbles
09/27/1995CN1029824C Chlorine-resistant semipermeable membranes
09/27/1995CN1029823C Process for preparation of chlorine-resistant polyester semipermeable membranes
09/27/1995CN1029822C Composite membranes and their manufacture and use
09/26/1995US5453298 Method for forming H2-permselective oxide membranes
09/20/1995EP0671960A1 Liquid applicator with metering insert.
09/20/1995CN1108588A Method for preparation of improved complex film with coating
09/20/1995CN1108583A Method for preparation of complex film
09/20/1995CN1029773C Preparation for hollow fiber super-filtering film of high-permeability polysulfone
09/19/1995CA2069703C Porous film, method for manufacturing the same, gas permeability control film, and water vapor permeability control film
09/14/1995WO1995024736A1 High vertical aspect ratio thin film structures
09/14/1995WO1995024472A1 Microfabricated capsules for isolation of cell transplants
09/14/1995WO1995024262A1 Hollow-fiber blood-purifying membrane and process for producing the same
09/14/1995WO1995024261A1 Microfabricated particle filter
09/13/1995EP0671202A2 Process for the production of hollow carbon fiber membranes
09/13/1995EP0670751A1 Improved sensor membranes
09/13/1995EP0484466B1 Membrane for separating liquid mixtures of substances by pervaporation
09/12/1995US5449457 Liquid membrane modules with minimal effective membrane thickness and methods of making the same
09/12/1995US5448868 Periodic space structures composed of two nodal polyhedra for design applications
09/08/1995WO1995023640A1 Large pore synthetic polymer membranes
09/06/1995EP0656808A4 Filtration medium and method for making same.
09/06/1995EP0553111B1 Thin film composite ultrafiltration membrane
09/06/1995CN1029666C Improved composite membranes, their manufacture and their use
09/05/1995US5447559 Hydrogen recovery by adsorbent membranes
08/1995
08/29/1995US5445746 Method for dewatering a porous wet web
08/29/1995US5445739 Composite membrane that includes a separation membrane
08/29/1995US5445669 Membrane for the separation of carbon dioxide
08/23/1995EP0667803A1 Gas-separation process
08/22/1995US5443955 Receptor membranes and ionophore gating
08/22/1995US5443727 Thin, self-interlocking, tactic, hydrophilic polyvinyl alcohol enveloping the surfaces, retaining complex geometric configuration
08/17/1995WO1995021687A1 A method for concentrating a solute with an oscillating filtration device
08/17/1995CA2158141A1 A method for concentrating a solute with an oscillating filtration device
08/16/1995EP0666773A1 Cross-flow microfiltration process
08/10/1995DE4403652A1 Ultra-fine pipe membrane fabricated with overlapping layers of ultrasonically-welded fleece strips
08/10/1995DE19501825A1 Reverse osmosis membrane prodn.
08/09/1995EP0555269B1 Nanofiltering membrane and process for its manufacture
08/08/1995US5439736 Exciting gaseous blend of fully alkylated disiloxane and oxygen with glow discharge, depositing plasma polymer on porous substrate at increased rate
08/02/1995EP0665049A1 Microporous membrane made of non-crystalline polymers and method of producing the same
07/1995
07/27/1995WO1995019837A1 Gas plasma polymerized permselective membrane
07/26/1995EP0663853A1 Hollow fiber membrane incorporating a polyimide and process for preparing same
07/25/1995US5436170 Crosslinking
07/25/1995US5436068 Selectively transmissive polysulfonic hollow fiber membrane
07/25/1995US5435957 Method of preparing a support material for use with a filtration medium
07/25/1995US5435955 Process of producing porous polypropylene hollow fiber and film
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