| Patents for B01D 15 - Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor (21,474) |
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| 09/03/1991 | US5045209 From zircon and rutile wastes, digestion with acid, ion exchanging, calcination to oxide |
| 09/03/1991 | US5045201 Glass microbeads for biochemical separation of material from a fluid medium |
| 09/03/1991 | US5045196 Apparatus for pre-concentration of a sample for spectroscopical reasons |
| 09/03/1991 | US5045190 Containing surfactant |
| 08/29/1991 | WO1991012885A1 Selective adsorbent for ammonuim ion and ammonia and preparation thereof |
| 08/29/1991 | CA2053291A1 Ammonium ion-and ammonia-selective adsorbent and process for preparation of same |
| 08/28/1991 | EP0443853A2 Controlled pore cmposite polytetrafluoroethylene article and method therefor |
| 08/28/1991 | EP0442977A1 Perfusive chromatography |
| 08/27/1991 | WO1991012868A1 Reversed phase chromatographic process |
| 08/27/1991 | US5043423 Method for purifying low molecular weight compounds of peptide or pseudo-peptide structure |
| 08/27/1991 | US5043062 High performance affinity chromatography column comprising non-porous, nondisperse polymeric packing material |
| 08/27/1991 | CA2062962A1 Reversed phase chromatographic process |
| 08/24/1991 | CA2035295A1 Controlled pore composite polytetrafluoroethylene article and method therefor |
| 08/22/1991 | WO1991012087A1 Process for the in-line drying of polyamide/imide wire enamels containing n-methylpyrrolidone in enamel-application units |
| 08/22/1991 | DE4004462A1 Verfahren zur inline-trocknung von n-methylpyrrolidon enthaltenden polyamidimiddrahtlacken in lackieranlagen A method for inline-drying of containing n-methylpyrrolidone polyamidimiddrahtlacken in painting |
| 08/22/1991 | CA2075894A1 Process for the in-line drying of polyamide/imide wire enamels containing n-methylpyrrolidone in enamel-application units |
| 08/21/1991 | WO1991012866A1 Chromatography purification column |
| 08/21/1991 | CA2076049A1 Chromatography purification column |
| 08/20/1991 | US5041228 Process for separating mixtures of substances contained in an aqueous or aqueous/organic solution |
| 08/20/1991 | US5041226 Separating with an agent comprising aliphatic ester of polysaccharide |
| 08/20/1991 | US5041079 Method for removing human immunodeficiency virus and/or its related compounds |
| 08/20/1991 | CA1287946C Removal of vinylpyrrolidone from vinylpyrrolidone polymers |
| 08/14/1991 | EP0441660A1 Affinity separation with activated polyamide microporous membranes |
| 08/14/1991 | EP0441512A2 Oil- absorbent polymer and use therefor |
| 08/14/1991 | EP0441478A1 Separation method |
| 08/14/1991 | EP0407560A4 Chromatography on a continuous polymer |
| 08/13/1991 | US5039416 Process for the purification of industrial waste-waters |
| 08/13/1991 | US5039413 Spiral wrapped fluid treatment element |
| 08/13/1991 | US5039409 Chromatography apparatus |
| 08/13/1991 | US5039408 Fluoroapatite, calcium phosphate-based |
| 08/07/1991 | CN1053598A Method and solid material body for purification of fluids such as water, aqueous fluids and liquid fuels |
| 08/06/1991 | US5037645 Immunization using antibodies specific to the indoleamine hapten |
| 08/06/1991 | US5037544 Keyed column chromatography apparatus |
| 08/06/1991 | US5037543 Controlled particle size |
| 08/05/1991 | CA2009332A1 Cyclic adsorption/desorption purification |
| 07/31/1991 | EP0438402A1 Panel of separate peptides |
| 07/30/1991 | CA1287037C Compositions and method for control and clean-up of hazardous organic spills |
| 07/27/1991 | CA2034946A1 Inert solid phase extraction column and method of making it |
| 07/26/1991 | WO1991011241A1 Coated media for chromatography |
| 07/25/1991 | WO1991010492A1 Apparatus and method for affinity separation |
| 07/24/1991 | EP0483143A4 Membrane affinity apparatus and purification methods related thereto. |
| 07/24/1991 | EP0437912A1 Method for producing dual zone materials by use of an organosilane mixture |
| 07/24/1991 | EP0437763A1 Method for treating aqueous solutions |
| 07/23/1991 | CA1286622C Method for clarifying and stabilizing cell culture media |
| 07/23/1991 | CA1286611C Thin-layer rod for chromatography |
| 07/17/1991 | CN1053046A Separation method and separating agent |
| 07/16/1991 | US5032679 Heparin fragments as inhibitors of smooth muscle cell proliferation |
| 07/16/1991 | US5032277 Optical resolution with β-1,4-mannan tribenzoate |
| 07/16/1991 | US5032156 Device for performing a sorption process |
| 07/16/1991 | CA1286065C Formation of continuous pores membrane by treating liquid medium containing protien with reactant |
| 07/11/1991 | DE4000142A1 Continuous purificn. of waste water, esp. drainage water - by passage over coke or active carbon based on lignite |
| 07/10/1991 | EP0436179A1 Packing material for reversed phase chromatography and process for its preparation |
| 07/09/1991 | US5030558 Qualitative immunochromatographic method and device |
| 07/09/1991 | US5030354 Separation agent for optical isomers |
| 07/09/1991 | US5030352 Adsorption of hydrophilic-hydrophobic molecules onto hydrophobic substrate, then crosslinking to form durable hydrophilic film |
| 07/09/1991 | CA1285868C Qualitative immunochromatographic method and device |
| 07/09/1991 | CA1285867C Immunochromatographic method and device |
| 07/09/1991 | CA1285743C Physical and chemical treatment column in heterogeneous phase |
| 07/03/1991 | EP0435014A1 Removal of organic cations from polar fluids |
| 07/03/1991 | EP0417194A4 Method and apparatus for purifying hydrogen fluoride |
| 07/02/1991 | US5028696 Separation/purification of monoclonal antibodies/proteins |
| 07/02/1991 | US5028335 Crystal structure, ultrafiltration, biochemical immobilization, from Bacillus cells |
| 06/27/1991 | WO1991009070A1 Fluorinated poly(naphthyl ethers) |
| 06/27/1991 | WO1991008983A1 Process for producing aqueous ammonium nitrite solutions and use of these solutions as volatile corrosion inhibitors |
| 06/27/1991 | WO1991008816A1 Improved apparatus for countercurrent chromatography separations and stable methods for monitoring the effluent thereof |
| 06/27/1991 | WO1991008815A1 Time variable simulated moving bed process |
| 06/27/1991 | DE3942065A1 Verfahren zur herstellung waessriger ammoniumnitritloesungen und verwendung dieser loesungen als fluechtiger korrosionsinhibitor Process for preparing aqueous ammonium nitrite loesungen and use this loesungen as volatile corrosion inhibitor |
| 06/26/1991 | EP0434354A1 Separation material for blood coagulation factor, preparation and use thereof |
| 06/26/1991 | EP0434317A1 Immunoadsorbents |
| 06/26/1991 | EP0434219A1 Hollow fiber bundle element |
| 06/26/1991 | EP0433677A1 Removal of mercury from liquid hydrocarbons |
| 06/25/1991 | US5026482 Separation of liquid mixtures by concentration swing adsorption |
| 06/23/1991 | CA2033010A1 Method for separating components in a mixture |
| 06/22/1991 | CA2032607A1 Separation material for blood coagulation factor' preparation and use thereof |
| 06/19/1991 | EP0432960A2 Decaffeination of liquid medium |
| 06/19/1991 | EP0432787A1 Process for removing water soluble organic compounds from produced water |
| 06/19/1991 | EP0207100B1 Process for changing the effective pore size of a structure |
| 06/19/1991 | CA2032389A1 Reagents |
| 06/18/1991 | US5024767 Blend of anion exchanger and polyamide or polyester graft polymer as cation exchanger |
| 06/18/1991 | US5024764 Filling a hollow cylindrical block with an aqueous slurry of deionizing resin beads and drying beads to fracture |
| 06/18/1991 | US5024749 Ion exchange resin separators |
| 06/18/1991 | US5024683 Sorption of trialkyl arsines |
| 06/14/1991 | CA2032025A1 Decaffeination of liquid medium |
| 06/12/1991 | EP0431593A2 Separation method and separating agent |
| 06/11/1991 | US5023061 Chromatographic separation of zirconium isotopes with anhydrous readily recyclable eluents |
| 06/11/1991 | US5022999 Method of treating starch-containing water |
| 06/11/1991 | US5022997 Method for treating aqueous solutions |
| 06/11/1991 | US5022994 Disk for controlling the sequence of water softener regeneration cycle of an ion exchange resin tank |
| 06/08/1991 | CA2031599A1 Separation method and separating agent |
| 06/07/1991 | CA2031600A1 Removal of organic cations from polar fluids |
| 06/04/1991 | US5021253 Adsorption using a post cross-linked gel of a vinyl aromatic monomer and unsaturated crosslinking agents |
| 06/04/1991 | US5021164 Oxidized activated carbon and its use in removal of aromatic compounds from aqueous solutions |
| 06/04/1991 | US5021162 By continuous percolation of liquid with pressurization to pack |
| 05/29/1991 | EP0428984A1 Separation method of amino acids |
| 05/29/1991 | CN1012690B Generating equipment for desalination of seawater and purification of waste water |
| 05/28/1991 | US5019542 Passing sodium chloride through resin; circulation |
| 05/28/1991 | US5019271 Extractive chromatographic separation process for recovering 3,5-diethyltoluene |
| 05/28/1991 | US5019270 Perfusive chromatography |
| 05/22/1991 | EP0427807A1 Buffer and reagent system for separating amino acids |
| 05/22/1991 | EP0203095B1 Process of preparing polyamide supports capable of reaction with antibodies and enzymes and supports produced thereby. |