| Patents for B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858) |
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| 04/24/1979 | US4151049 Compositions having protein reactive groups, membranes, electrodes coated with such compositions and chemical analysis methods |
| 04/10/1979 | US4148734 Filter material and process for producing same |
| 04/03/1979 | US4147745 Process for producing semipermeable membranes |
| 03/21/1979 | EP0001047A2 Viscose membrane for dialysis, especially for hemodialysis, and process for its fabrication |
| 03/06/1979 | US4143218 Battery separator of improved permeability formed by swelling a hydrophilic film in an alcohol, quenching |
| 03/06/1979 | CA1049954A1 Hydrophobic substrate with grafted hydrophilic inclusions |
| 02/07/1979 | EP0000687A1 Process for the preparation of a microporous membrane to be used in filtration plants |
| 02/06/1979 | CA1047719A2 Microporous polyester membranes and polymer assisted phase inversion process for making same |
| 02/06/1979 | CA1047718A2 Microporous polyester membranes and polymer assisted phase inversion process for making same |
| 01/30/1979 | US4137137 Acyloxystyrene, a polyene, acrylic acid or its derivative and either a hydrocarbon or fluorine polymer |
| 01/16/1979 | CA1046216A1 Altering gas permeabilities of polymeric material |
| 01/11/1979 | WO1979000002A1 Improvements relating to membrane electrophoresis |
| 12/19/1978 | CA1044537A1 Filter medium and process |
| 11/14/1978 | US4125462 Cationic polyelectrolyte of poly(vinylimidazoline) bisulfate |
| 11/14/1978 | CA1042166A1 Hollow fibers of acrylonitrile polymers for ultrafilter and method for producing the same |
| 10/17/1978 | US4121022 Semi-permeable, lead acid storage batteries |
| 10/17/1978 | US4120098 Solvent exchange drying of membranes for gas separation |
| 09/26/1978 | CA1039038A1 Process for producing a reverse osmosis module |
| 09/19/1978 | US4115492 Process for preparing microporous polyethylene hollow fibers |
| 09/12/1978 | US4113912 Hydrophilic porous structures and process for production thereof |
| 09/05/1978 | US4111659 Mass and heat transfer exchange apparatus |
| 08/22/1978 | US4109066 Polyacrylic acid membranes for electrochemical use |
| 08/22/1978 | US4108938 Method for shaping a plastic membrane |
| 08/15/1978 | US4107049 Exposing polyacrylonitrile or acrylonitrile copolymer film or fiber and gaseous organic to glow or corona discharge |
| 08/15/1978 | US4106920 For separation of aliphatically unsaturated hydrocarbons of two to four carbon atoms from mixtures containing them |
| 07/25/1978 | US4102959 Process for preparing film by wet method |
| 07/11/1978 | US4100238 Process for producing permeable membranes |
| 06/20/1978 | US4096099 Porous synthetic resin film |
| 05/02/1978 | US4087388 Surfactant, polyethylene glycol ester |
| 03/28/1978 | US4080744 Gas separation membrane drying with water replacement liquid |
| 03/28/1978 | US4080743 Hydrocarbon and perchlorofluorocarbon solvents and a water miscible organic solvent, evaporation |
| 02/21/1978 | US4075093 Permselective membrane |
| 02/21/1978 | US4075092 High surface area permeable material |
| 02/14/1978 | US4073724 Reverse osmosis |
| 01/03/1978 | US4066387 Method of improving the sorption capacity of polymers |
| 10/25/1977 | US4055696 Porous polypropylene hollow filaments and method making the same |
| 09/27/1977 | US4051300 Hollow synthetic fibers |
| 09/27/1977 | US4051040 Antithrombogenic hemo dialysis membranes |
| 09/13/1977 | US4047908 Nylon-polyvinyl alcohol graft copolymer |
| 09/06/1977 | US4046843 Process for preparing membranes for separation of substances |
| 06/28/1977 | US4032309 By casting |
| 04/26/1977 | US4020230 Microporous polyethylene hollow fibers and process of preparing them |
| 03/15/1977 | US4012324 Polyelectrolytes |
| 02/08/1977 | US4007114 Melamine-formaldehyde cationic colloid |
| 02/08/1977 | US4007113 Particulate filter medium and process |
| 11/30/1976 | US3994860 Process for improving the shrinkage resistance upon-drying membranes of sulphonated polyaryl ether by immersing the membrane in an aqueous solution of an inorganic salt of a carbonylated or hydroxylated lower carboxylic acid |
| 11/16/1976 | US3992495 Method of manufacturing a semipermeable membrane from a water-soluble polymeric resin |
| 09/28/1976 | US3983053 Coated adsorbent materials |
| 09/14/1976 | US3980456 Microporous backing layer |
| 08/17/1976 | US3975455 Altering gas permeabilities of polymeric material |
| 07/13/1976 | US3969240 Polysiloxane membrane lung |
| 06/29/1976 | US3966580 Novel protein-immobilizing hydrophobic polymeric membrane, process for producing same and apparatus employing same |
| 05/18/1976 | US3957651 Microporous polyester membranes and polymer assisted phase inversion process for their manufacture |
| 05/04/1976 | US3954607 Permselective membranes of diacyl hydrazide-containing aromatic polymers having selected metals complexed therewith |
| 03/30/1976 | US3947351 Acid diffusion-dialysis process utilizing anion exchange membrane of 4-55 micron thickness |
| 03/23/1976 | US3945927 Diluents, film-forming polymers |
| 01/20/1976 | US3933957 Process for producing shaped articles from an acetylenic polymer |
| 01/06/1976 | US3931067 Hydrophobic microporous materials and process for producing same |