Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
Patents for B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
12/1995
12/28/1995WO1995035155A1 Filter unit for micro- and ultrafiltration and a method of manufacturing same
12/28/1995WO1995035146A1 High-efficiency metal membrane getter element and process for making
12/27/1995EP0688569A1 Multifunction device for blood treatment
12/26/1995US5478444 Composite mixed ionic-electronic conductors for oxygen separation and electrocatalysis
12/26/1995US5478372 Stretched, porous polytetrafluoroethylene membrane laminated to polyether ether ketone-coated metal mesh; air filters
12/20/1995EP0687649A1 Process for the separation of a catalyst-free work solution from the hydrogenation cycle of the anthrachinone process for the preparation of hydrogen peroxide
12/20/1995EP0687200A1 Exothermic process with porous means to control reaction rate and exothermic heat
12/19/1995US5476590 Filtration of biological material; wetting, reduction, bleaching, drying
12/19/1995US5476589 Porpous PTFE film and a manufacturing method therefor
12/19/1995US5476094 Including a monomer unit consisting of an acrylic ester having a poly(ethylene oxide) substituent as part of the alcohol moiety; glucose sensor
12/19/1995CA2025612C Gas separation by semi-permeable membranes
12/14/1995WO1995033549A1 Porous polysulfone membrane and process for producing the same
12/14/1995CA2192351A1 Porous polysulfone membrane and process for producing the same
12/13/1995EP0686168A1 Single-film membrane, preparation method therefor and use thereof
12/13/1995EP0686085A1 Process of making microporous pps membranes
12/13/1995CN1113165A Precess for producing composite membranes
12/12/1995US5474681 Synthesis of inorganic membranes
12/12/1995US5474680 Filtration
12/12/1995US5474596 Formed from 2,6-difluorobenzophenone and an aromatic diol
12/07/1995WO1995032793A1 Hydrophilic porous membranes made of cross-linked cellulose hydrate, method of producing them and their use
12/07/1995WO1995032792A1 Azlactone-functional membranes and methods of preparing and using same
12/07/1995DE4418931A1 Catalyst removal from hydrogenated soln in hydrogen peroxide prodn by anthraquinone process
12/07/1995DE4418832A1 Use of hydrophilic porous membrane of crosslinked cellulose hydrate
12/07/1995DE4418831A1 Hydrophilic porous cellulose hydrate membrane crosslinked with water-sol di:epoxide,
12/06/1995EP0685254A2 Aromatic polyamide porous membranes
12/05/1995US5472927 Forming high porosity layer from oxidation of organic material to oxide; less porous support layer
12/05/1995US5472599 Optical resolution of isomers
11/1995
11/30/1995WO1995032164A1 Synthesis of microporous ceramics by ammonia pyrolysis
11/30/1995DE19518507A1 Acetylenic polymer membranes for gas and vapour sepn.
11/30/1995CA2186911A1 Synthesis of microporous ceramics by ammonia pyrolysis
11/29/1995EP0683691A1 Inter-penetrating network charge modified microporous membrane
11/29/1995EP0683690A1 Modified membrane for medical purposes
11/29/1995EP0683687A1 Leukocyte removal method and filter unit for same
11/22/1995EP0683196A2 Porous biaxially-oriented film comprising high molecular ethylene/ alpha-olefin copolymer and its use
11/22/1995EP0682978A1 Hydrophilic PTFE membrane
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
11/22/1995EP0682591A1 Process of making microporous pps membranes
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
11/22/1995CN1112145A Method ofe preparing membrances from blends of polytherimide and polyimide polymers
11/22/1995CN1030283C Dloxole/TFE copolymer composites
11/21/1995US5468430 Process of making multicomponent or asymmetric gas separation membranes
11/21/1995US5468390 Modifying aryl polysulfone membranes by contacting with hydrophilic vinyl monomer dissolved in solvent without free radical initiator or sensitizer and exposing to nonionizing ultraviolet light to graft monomer to membrane surface
11/21/1995CA2149806A1 Polymeric membrane
11/21/1995CA2138056A1 Hydrophilic ptfe membrane
11/21/1995CA1337621C Membrane filter material having excellent organic solvent resistance, method for formation of membrane filter and process for preparation of bismaleimide polymer to be used formembrane filter
11/20/1995CA2149699A1 Process for enhancing the selectivity of mixed gas separations
11/17/1995CA2149379A1 Porous biaxially-oriented film comprising high molecular ethylene/–-olefin copolymer and its use
11/16/1995DE19516908A1 Composite membrane useful for gas sepn. and pervaporation
11/15/1995EP0681862A2 Composite membrane and process for the production thereof
11/15/1995EP0681509A1 Activated carbons molecularly engineered
11/15/1995EP0681507A1 Thermally induced phase separated azlactone membrane.
11/15/1995EP0561916B1 Membrane made from multiblock polymer
11/09/1995WO1995029950A1 Composite porous polytetrafluoroethylene membrane
11/09/1995WO1995029751A1 Porous composite inorganic material, particularly in membrane form, and method for making same
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
11/02/1995EP0679428A1 Method of preparing mmembranes from blends of polyetherimide and polyimide polymers
11/02/1995EP0679167A1 Process for producing ion exchange membranes, and the ion exchange membranes produced thereby
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
10/31/1995US5462980 Film-forming, starchy, polymeric composition and shaped articles, particularly films and sheets, which can be produced from the composition and have a good barrier effect, and a method of producing the articles
10/31/1995US5462680 Free radical adducts of fullerenes with hydrocarbons and polymers
10/31/1995US5462667 Multilayer membrane for removal of pyrogens from spinal fluid as treatment for nervous system disorders
10/25/1995EP0678539A2 Aromatic copolyamides, process for their preparation, moulded articles and their manufacture
10/25/1995EP0678327A2 Membrane for the microfiltration of suspensions or for gas separation
10/25/1995CN1110625A Polyacrylonitrile-polysulphone blended super-filter membrane and its preparation method
10/24/1995US5460637 Porous support of filament-wound oxide ceramic yarn at least partially surrounded by porous refractotry oxide ceramic matrix, and membrane layer
10/19/1995WO1995027556A1 Process for producing membranes from nanoparticulate powders
10/19/1995CA2187330A1 Process for producing membranes from nanoparticulate powders
10/18/1995EP0677321A1 Hose assembly and method of making the same
10/17/1995US5458782 Hydrolytically stable nylon membrane
10/17/1995US5458719 Minimization of blockage of pores
10/12/1995WO1995026993A1 Surface-modifying endgroups for biomedical polymers
10/12/1995WO1995026806A1 Permeation and biological treatment of waste gas
10/12/1995DE4411757A1 Aromatic co:poly:amide(s) for wet-spinning to fibres, etc.
10/11/1995EP0676383A2 Process for preparing a porous or pseudoporous anisotropic material, with a ceramic polymer lattice
10/11/1995EP0676231A1 Dehumidifying method
10/11/1995EP0460196B1 Treatment of impurity-containing liquid streams in ethylene oxide/glycol processes with semi-permeable membranes
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
10/10/1995US5456740 High-efficiency metal membrane getter element and process for making
10/04/1995EP0674940A2 Pervaporation membranes and their use
10/04/1995EP0674939A2 Gas separation membrane and process for producing the same
10/04/1995EP0674938A1 Process for producing composite membranes
10/04/1995EP0674937A2 Non-porous polymeric membrane on a porous inorganic support
10/04/1995EP0674534A1 Method and device for producing a hypoxic gas mixture
10/04/1995CN1109380A Poly alloy film and its preparing method
09/1995
09/28/1995WO1995025582A1 High-flux polyacrylonitrile dialysis diaphragm
09/27/1995EP0673675A2 Solid multi-component membranes for reactions
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
09/26/1995US5453413 Phototransformation of fullerenes
09/26/1995US5453298 Method for forming H2-permselective oxide membranes
09/20/1995EP0672251A1 Analyte detection by competitive inhibition of ion channel gating
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