Patents
Patents for B01D 12 - Displacing liquid, e.g. from wet solids or from dispersions of liquids or from solids in liquids, by means of another liquid (868)
12/1992
12/16/1992EP0397826B1 Cleaning process using phase shifting of dense phase gases
12/15/1992US5171902 Saturated linear polyfluorohydrocarbons, processes for their production, and their use in cleaning compositions
12/02/1992EP0516029A1 A method of desiccating articles
11/1992
11/14/1992WO1992020421A1 Coal dewatering
11/14/1992CA2086935A1 Coal dewatering
11/04/1992CN1065810A Water displacement composition and method of use
10/1992
10/21/1992EP0509739A2 Water displacement composition and a method of use
10/21/1992EP0509105A1 Device for regenerating organic solvent
10/20/1992CA2062639A1 Water displacement composition
08/1992
08/18/1992CA1306352C Method and means for drying bulk goods
08/11/1992US5138105 Gas separation membrane
07/1992
07/22/1992EP0494975A1 Azeotrope-like compositions of 1,3-dichloro-1,1,2,2,3-pentafluoropropane and 2-methyl-2-propanol.
06/1992
06/30/1992US5125978 Water displacement composition and a method of use
05/1992
05/26/1992US5116426 Method of cleaning a substrate using a dichloropentafluoropropane
05/26/1992US5116393 Absorber for dehydrating gas with liquid desiccant
05/14/1992WO1992007647A1 Device for regenerating organic solvent
04/1992
04/30/1992WO1992006941A1 Saturated linear polyfluorohydrocarbons, processes for their production, and their use in cleaning compositions
04/22/1992CN1060461A Saturated linear polyfluorohydrocarbons, processes for their production, and their use in cleaning compositions
04/22/1992CN1060416A Surface dewatering method
04/07/1992US5102469 Dichloropentafluoropropane-containing compositions for removing water from surfaces
03/1992
03/31/1992US5100546 Separation of petroleum oil from contaminated water, trichlorotrifluoroethane absorber
03/25/1992CN1015980B Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
03/24/1992CA1297904C Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
03/24/1992CA1297903C Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
03/19/1992WO1992004092A1 Use of glycerine ethers as dewatering aids for solids
03/11/1992EP0473795A1 Method of cleaning
03/05/1992DE4028026A1 Verwendung von glycerinethern als hilfsmittel fuer die feststoffentwaesserung Use of glycerol ethers as tools for the feststoffentwaesserung
02/1992
02/18/1992US5089152 Liquid perfluorinated chlorine-free inert solvent, soluble fluoroaliphatic nonionic surfactant
02/11/1992US5087386 Fluorine-containing alcohol-based dehydrating agent and method of drying articles
02/04/1992CA1295279C Extraction of oil from stable oil-water emulsions
01/1992
01/22/1992EP0466753A1 A process and apparatus for continuous filtering and liquid displacement of a liquid suspension of a fibrous or finely-divided material.
01/08/1992EP0465037A1 Solvent composition
12/1991
12/17/1991CA1293107C Apparatus or treating a web of material
12/11/1991EP0460811A1 Coal dewatering
12/04/1991EP0458969A1 Detergent composition
12/03/1991US5069768 Process for separating substances present in liquids
11/1991
11/19/1991US5066386 Utilizes A Volatile Solvent Which Is Liquefied Under Pressure
10/1991
10/09/1991EP0450296A2 Dichlorofluoropropanes based compositions for removing water from surfaces
10/09/1991CN1014204B Multistage counter-current washing disposition and their treatment method
10/08/1991US5055610 Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
10/08/1991US5055138 Covering flammable solvent surface with vapor layer rich in perfluorinated organic compound
09/1991
09/17/1991WO1991013697A1 Method and apparatus for cleaning
09/17/1991CA2050333A1 Cleaning method and cleaning apparatus
09/11/1991CN1054441A 共沸溶剂组合物 Azeotropic solvent composition
09/10/1991US5047580 Process for the separation of sulfuric acid from aqueous mixtures of paraffin-sulfonic acids
09/04/1991EP0444598A1 Azeotropic solvent composition
08/1991
08/29/1991DE4006191A1 Compsns. for removing water from surfaces
08/29/1991CA2036837A1 Azeotropic solvent composition
08/28/1991EP0443911A1 Use of (perfluoroalkyl)-ethylenes as cleaning or drying agents
07/1991
07/23/1991CA1286634C Process for the separation of particulate matter
06/1991
06/19/1991CN1012892B Process for separating alkali metal bicarbonate grains from a nitrogenous organic base hydrochloride liquid film absorbed on their surface
06/04/1991CA1284693C Method for concentrating surfactant from a brine solution
05/1991
05/07/1991US5013366 Varying temperature to shift from liquid to supercritical state
04/1991
04/27/1991WO1991006621A1 Detergent composition
04/23/1991US5009787 Treating with non-water-soluble liquid fluorocarbon
04/18/1991WO1991005035A1 Azeotrope-like compositions of dichloropentafluoropropane and an alkanol having 1-4 carbon atoms
04/18/1991CA2067218A1 Azeotrope-like compositions of dichloropentafluoropropane and an alkanol having 1-4 carbon atoms
04/02/1991US5004000 Apparatus for rinsing surfaces with a non-aqueous liquid
03/1991
03/20/1991EP0417358A1 Solvent composition for dehydration
03/13/1991EP0416763A1 Methods and compositions for cleaning articles
12/1990
12/27/1990EP0403962A2 Fluorine-containing alcoholbased dehydrating agent and method of drying articles
11/1990
11/07/1990EP0238517B1 Method and apparatus for rinsing surfaces with non-aqueous liquids
10/1990
10/17/1990CN2063942U Soaking temperature carbinol tower
10/08/1990WO1990011809A1 A process and apparatus for continuous filtering and liquid displacement of a liquid suspension of a fibrous or finely-divided material
07/1990
07/24/1990US4943403 Ceramics and metals, removing dispersant by solvent extraction with carbon dioxide, reduces strain in final product
06/1990
06/26/1990US4936921 Method and apparatus for rinsing hydrophilic surfaces with a non-aqueous liquid
06/14/1990WO1990006189A1 Cleaning process using phase shifting of dense phase gases
06/07/1990CA2002066A1 Cleaning process using phase shifting of dense phase gases
01/1990
01/10/1990EP0350316A1 Cleaning and drying of electronic assemblies
01/10/1990CN1038635A Hologenated hydsocarbon solvents and thereof
12/1989
12/28/1989WO1989012674A1 Halogenated hydrocarbon solvents and use thereof
12/27/1989EP0347924A1 Use of halogenated hydrocarbon solvents as cleaning agents
12/20/1989CN1038133A Process and device for reducing water content in piezoelectric gapo4-crystal unit, and crystal unit thereby
11/1989
11/14/1989US4881003 Method and device for reducing the water content in piezoelectric GAPO.sub.4
10/1989
10/31/1989US4876801 Method and means for drying bulk goods
09/1989
09/12/1989CA1259188A1 Method and apparatus for the drying of solid materials by displacement
06/1989
06/13/1989US4839043 Liquid-to-liquid oil absorption system
05/1989
05/17/1989EP0316298A1 Process for decreasing the water content in piezoelectric gallium phosphate crystal elements
05/16/1989US4830751 Process of replacing a liquid component of a slurry by a second liquid and apparatus therefor
04/1989
04/25/1989US4824555 Extraction of oil from stable oil-water emulsions
03/1989
03/29/1989EP0308398A1 Water displacement composition
03/14/1989US4811494 Removal of water from carbonaceous solids by use of methyl formate
03/08/1989EP0305358A1 A surfactant containing binary, water displacement composition
03/07/1989US4810387 Solvent extraction, absorption
01/1989
01/11/1989EP0298610A2 Extraction of oil from stable oil-water emulsions
11/1988
11/29/1988US4788043 Physical condensation, distillation, and circulation
11/09/1988EP0289982A2 Drying apparatus for objects in cleaning plants
10/1988
10/19/1988EP0286880A1 Drying apparatus for bulk material
10/18/1988US4777970 Vapor drying apparatus
10/12/1988EP0189436B1 Unwetting composition based on fluorochlorohydrocarbon, surface active agent and carboxylic acid
09/1988
09/20/1988US4772399 Basification, heating, settling
08/1988
08/23/1988US4765910 Use of ammonium chloride solutions to remove sulfonate surfactants from crude oil
07/1988
07/13/1988EP0274161A1 Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffinsulphonic acids
07/13/1988CN87108388A Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
07/13/1988CN87108374A Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
07/06/1988EP0273523A1 Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffinsulphonic acids
06/1988
06/28/1988US4753735 Degreasing metal parts
05/1988
05/24/1988US4745690 Method of replenishing and/or preparing treating liquids
05/24/1988CA1236973A1 Azeotropic drying process
05/18/1988CN87107296A Process for separating alkali metal bicarbonate grains from a nitrogenous organic base hydrochloride liquid film adsorbed on their surface and process for the production of alkali metal bicarbonate
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