Patents
Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858)
04/1986
04/23/1986EP0178831A1 Porous films and method of forming them
04/23/1986EP0178350A1 Process for producing dense membranes
04/22/1986US4584103 Reacting with hydroxylamine, then difunctional compound and compound containing ionizable group
04/22/1986US4584075 Process and apparatus for electrically desorbing components selectively sorbed on an electrolytically conducting barrier
04/22/1986CA1203501A1 Semipermeable membrane consisting of crosslinked copolymer containing maleimide groups
04/16/1986EP0177777A2 Enhanced bulk porosity of polymer structures via plasma technology
04/09/1986EP0176992A2 Reverse osmosis membranes and process for their preparation
04/09/1986EP0176986A2 Liquid membrane
04/08/1986US4581043 Composite dense membrane
04/08/1986CA1202837A1 Asymmetric membranes and process therefor
04/02/1986EP0176500A2 Material and process for making liquid permeable layers
04/02/1986EP0176107A2 Multistage annealing of aramide reverse osmosis membranes
03/1986
03/26/1986EP0175668A1 Composite fluid separation membranes
03/26/1986EP0175322A2 Hydrophilized membrane of porous hydrophobic material and process for preparing the same
03/18/1986US4576715 Impregnation, polymer, welding
03/11/1986US4575385 Polysulfones contacted with benzene compound
03/05/1986EP0173500A1 Methods of concentrating ligands and active membranes used therefor
02/1986
02/18/1986CA1200766A1 Filter element having microporous filter membrane
02/04/1986US4568579 Asymmetrical layered structures of polyalkylene sulfone resins
02/04/1986US4568366 In-line filter
02/04/1986CA1200159A1 Polyamide membrane with controlled surface properties
02/04/1986CA1200158A1 Surface modified polyamide membrane
01/1986
01/28/1986US4567207 Polymeric material adapted for physico-chemical separation of substances and method for producing same
01/28/1986US4567009 Production of microfiltration membrane filter
01/22/1986EP0168783A1 Asymmetric microporous hollow fibre, especially for hemodialysis, and process for making it
01/15/1986EP0168133A1 A shaped body for gas separation
01/15/1986EP0167594A1 Cross-flow filtration related applications
01/15/1986EP0167573A1 Charge modified microporous hollow tubes
01/14/1986US4564488 Homogeneous mixture of metable polymer and inert liquid
01/14/1986CA1199280A1 Microporous hollow fiber membrane assembly and its method of manufacture
01/08/1986EP0167094A1 Porous membrane filter and its manufacturing process
01/03/1986WO1986000028A1 Hollow fibres, production method thereof and their applications particularly in the field of membrane-type separations
12/1985
12/18/1985EP0165077A2 Sulfonated polysulfone composite semipermeable membranes and process for their production
12/18/1985EP0164468A2 Porous membrane
12/11/1985EP0164235A1 Polymer membrane
12/10/1985US4557957 Microporous metal-plated polytetrafluoroethylene articles and method of manufacture
12/04/1985EP0163146A1 Separation method, separation device and separation apparatus for separating body fluid into respective components
11/1985
11/27/1985EP0162068A1 Separating oil emulsions.
11/19/1985US4554076 Method of modifying membrane surface with oriented monolayers of amphiphilic compounds
11/13/1985EP0037394B1 A device for removal of substances from a liquid
11/06/1985EP0160551A2 A Polyethylene microporous membrane and a process for the production thereof
11/06/1985EP0160050A1 Substituted aliphatic polyamide porous membranes.
11/05/1985US4551156 Polyarylene polymers crosslinked with aminoalkylsilanes
10/1985
10/24/1985WO1985004593A1 High flux membrane
10/14/1985EP0143812A4 Formation of porous membranes.
10/09/1985EP0157425A2 Process for making a casting solution and membranes prepared from that casting solution
10/09/1985EP0156840A1 Treatment of porous membranes
10/08/1985CA1194834A1 Selectively gas-permeable composite membranes and process for the production thereof
10/01/1985US4544484 Polyamides
09/1985
09/24/1985CA1193976A1 Membrane pack
09/18/1985EP0155173A2 Process for preparation of fluorine-containing polymer films
09/17/1985US4541972 Preparation of cellulose acetate membrane and its use for polar solvent-oil separation
09/11/1985EP0153928A1 In-line filter.
08/1985
08/14/1985EP0151108A1 Particle adsorption
07/1985
07/18/1985WO1985003012A1 Charge modified microporous hollow tubes
07/18/1985WO1985003011A1 Cross-flow filtration related applications
07/10/1985EP0147570A2 Process for the manufacture of asymmetric, porous membranes and product thereof
07/09/1985US4527999 Separation membrane and method of preparing and using same
06/1985
06/25/1985US4525374 Treating hydrophobic filters to render them hydrophilic
06/19/1985EP0145305A2 Membranes
06/19/1985EP0144493A2 Method of preparing asymmetric membranes
06/18/1985CA1189239A1 Embedding mass polyurethane
06/12/1985EP0144054A2 Composite films adapted for selective gas separation
06/12/1985EP0143812A1 Formation of porous membranes.
05/1985
05/29/1985EP0142973A2 Membranes
05/29/1985EP0142512A1 Treatment of membranes
05/23/1985WO1985002128A1 Separating oil emulsions
05/15/1985EP0141793A1 Asymmetric gas separation membranes having increased selectivy, and process for their production
05/15/1985EP0141176A2 Permeable membrane for hydrogen, its manufacturing method and use
05/14/1985US4517142 Decomposition and diffusion
05/14/1985CA1186860A1 Porous polyacrylonitrile-containing membranes chemically modified by a sequence of chemical reaction steps
05/02/1985EP0138841A1 Transfer of macromolecules from a chromatographic substrate to an immobilizing matrix.
04/1985
04/25/1985WO1985001735A1 Substituted aliphatic polyamide porous membranes
04/24/1985EP0138060A2 Hollow-fiber filtering module and water purification device utilizing it
04/23/1985US4512896 Transfer of macromolecules from a chromatographic substrate to an immobilizing matrix
04/17/1985EP0137698A2 Method of preswelling of regenerated cellulose membranes for organic separations and the use thereof
04/03/1985EP0135514A1 Cross linked porous membranes.
04/03/1985EP0135511A1 A preprimed filter device and its method of manufacture
03/1985
03/28/1985WO1985001222A1 Treatment of porous membranes
03/14/1985WO1985000986A1 In-line filter
03/13/1985EP0134055A2 Composite dense membrane and fluid(s) separation process carried out therewith
03/13/1985EP0133882A2 Moulded articles with pores
02/1985
02/26/1985US4501793 Cellulose and polymer fibers
02/26/1985US4501785 Dialysis, water treatment
02/12/1985CA1182258A1 Semipermeable membranes of modified styrene-based polymers, process for their manufacture and their use
02/05/1985USRE31824 Irradiation graft polymerization of momomer solution and polymeric film
01/1985
01/30/1985EP0132299A2 Starch-base semipermeable films
01/29/1985US4496456 Method for preparing thin regenerated cellulose membranes of high flux and selectivity for organic liquids separations
01/22/1985CA1181206A1 Hollow fibre membrane for plasma separation
01/17/1985WO1985000176A1 Starch-based semipermeable films
01/16/1985EP0131143A1 A method of treating a cellulosic hollow fiber
01/09/1985EP0130315A1 Clearing treatment for blood compartments of dialysis machines
12/1984
12/27/1984EP0129420A2 Surfactant treated polyolefinic microporous materials capable of multiple re-wetting with aqueous solutions
12/25/1984US4490431 0.1 Micron rated polypropylene membrane and method for its preparation
12/06/1984WO1984004696A1 Particle adsorption
12/04/1984US4486376 Process for modifying porous polymeric membrane
12/04/1984US4486202 Asymmetric gas separation membranes
11/1984
11/22/1984WO1984004529A1 Formation of porous membranes
11/08/1984WO1984004256A1 Treatment of membranes
11/07/1984EP0124028A2 Heterogeneous membrane and process for production thereof