Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation
More topics under "B01D - Separation" (589,249)
B01D 1 - Evaporating (11,580)
B01D 11 - Solvent extraction (12,717)
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)
B01D 15 - Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor (21,474)
B01D 17 - Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion (15,669)
B01D 19 - Degasification of liquids (12,330)
B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338)
B01D 24 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof (8,047)
B01D 25 - Filters formed by clamping together several filtering elements or parts of such elements (5,131)
B01D 27 - Cartridge filters of the throw-away type (5,673)
B01D 29 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups; filtering elements therefor (33,527)
B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
B01D 33 - Filters with filtering elements which move during the filtering operation (10,149)
B01D 35 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups; Auxiliary devices for filtration; Filter housing constructions (28,776)
B01D 36 - Filter circuits or combinations of filters with other separating devices (7,816)
B01D 37 - Processes of filtration (4,716)
B01D 39 - Filtering material for liquid or gaseous fluids (24,884)
B01D 41 - Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids (1,149)
B01D 43 - Separating particles from liquids, or liquids from solids, otherwise than by sedimentation or filtration (1,275)
B01D 45 - Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces (11,556)
B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125)
B01D 47 - Separating dispersed particles from gases, air or vapours by liquid as separating agent (12,036)
B01D 49 - Separating dispersed particles from gases, air or vapours by other methods (644)
B01D 5 - Condensation of vapours; Recovering volatile solvents by condensation (6,514)
B01D 50 - Combinations of devices for separating particles from gases or vapours (13,509)
B01D 51 - Auxiliary pretreatment of gases or vapours to be cleaned from dispersed particles (1,271)
B01D 53 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols (135,933)
B01D 57 - Separation, other than separation of solids, not fully covered by a single other group or subclass, e.g. (3,468)
B01D 59 - Separation of different isotopes of the same chemical element (5,386)
B01D 61 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (28,150)
B01D 63 - Apparatus in general for separation processes using semi-permeable membranes (15,233)
B01D 65 - Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes (9,726)
B01D 67 - Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus (11,858)
B01D 69 - Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor (16,729)
B01D 7 - Sublimation (732)
B01D 71 - Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor (23,060)
B01D 8 - Cold traps; Cold baffles (787)
B01D 9 - Crystallisation (5,388)
Patents for B01D - Separation (1,935)
04/1992
04/14/1992CA1298739C Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups
03/1992
03/25/1992CN1059672A Oxygen-separating porous membranes
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
03/18/1992CN1015874B Precipitate box of liquid-liquid extraction apparatus
02/1992
02/16/1992CA2049200A1 Oxygen-separating porous membranes
02/12/1992CN1058540A Process and equipment for crystallising inorganic substance
01/1992
01/29/1992EP0282539B1 Hollow fibre filter cartridge and header
01/28/1992US5084220 Membrane filtration apparatus and method of making a membrane filtration unit
01/15/1992EP0326578B1 Filter for hot melt adhesive
01/07/1992CA1293921C Compressed air modifier
12/1991
12/24/1991CA1293357C Removing h s from a sour gaseous stream
12/23/1991WO1992000130A1 Method and apparatus for crystallizing a mineral substance
12/18/1991EP0271553B1 Hplc column
12/04/1991EP0458842A1 Apparatus and process for the elimination of atmospheric pollution.
11/1991
11/27/1991EP0236446B1 Mass transfer extraction of liquids from solids
11/26/1991CA1292426C Method for cleansing gas and apparatus herefor (i)
10/1991
10/30/1991EP0253820B1 Filter cartridge
10/17/1991CA2040361A1 Percussion tool fluid filter apparatus
10/08/1991US5055610 Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
10/08/1991CA1290257C Osmotic concentration by membrane
09/1991
09/24/1991US5051393 Oxidation catalysts for automobiles
09/10/1991US5047580 Process for the separation of sulfuric acid from aqueous mixtures of paraffin-sulfonic acids
09/04/1991CN1054234A Process for preparation of carbonates of alkali metals
08/1991
08/27/1991US5043153 Using plant extracts
08/24/1991WO1991012876A1 Method and apparatus for purification of waste gases
08/24/1991CA2075379A1 Method and apparatus for purification of waste gases
08/14/1991EP0440747A1 Drilling mud separation system
08/08/1991CA2009616A1 Method of producing carbonic acid salts of alkali metals
08/07/1991EP0439636A1 Alkali metal (hydrogen) carbonate production process
08/07/1991CN1053598A Method and solid material body for purification of fluids such as water, aqueous fluids and liquid fuels
07/1991
07/31/1991EP0438595A1 Jig and device for filtration
06/1991
06/13/1991WO1991008039A1 Dual impeller method and apparatus for effecting chemical conversion
06/05/1991CA2004653A1 Dual impeller method and apparatus for effecting chemical conversion
05/1991
05/29/1991CN1051681A Hardened gum formed-in-place membranes
05/14/1991US5015448 Particulate material suitable for selectively separating metal cations from aqueous solutions, process for its production, and use thereof
05/02/1991EP0424486A1 Filter for continuous filtration
04/1991
04/10/1991EP0420847A1 Membrane filtration apparatus and method of making a membrane filtration unit
04/10/1991EP0257024B1 Process for the selective elimination of nitric oxides contained in exhaust gases
04/09/1991US5006260 Separation of one phase dispersed im emulsion or in suspension in continuous phase of different density
04/03/1991EP0180599B1 High flux membrane
03/1991
03/19/1991US5000842 Method and apparatus for treating fiber suspension
02/1991
02/26/1991US4995945 Counter-current gas-liquid contacting device
02/26/1991CA1280577C Apparatus for exchanging ions, molecules, gas, liquid and/or heat between fluids
02/06/1991EP0410961A1 A method and an apparatus for separating solid particles from a liquid.
01/1991
01/30/1991EP0328555B1 Method and device for separating a dispersed phase
01/30/1991CN1011385B Method and apparatus for osmotic distillation
01/27/1991CA2021505A1 Casting of molten iron and filters for use therein
01/24/1991WO1991000766A1 Jig and device for filtration
01/16/1991CN1011202B Composite membrane
01/15/1991US4985145 Semipermeable membranes
01/10/1991WO1990009225A3 Apparatus and process for the elimination of atmospheric pollution
01/08/1991CA1278745C Gas-liquid contacting device
01/07/1991WO1991000768A1 Method and apparatus for treating fiber suspension
01/02/1991CN1048201A Method for operation of claus-apparatus
12/1990
12/04/1990US4975247 Mass transfer device having a microporous, spirally wound hollow fiber membrane
11/1990
11/22/1990EP0398864A2 Method and device for the separation of substances from a medium
11/20/1990US4971692 Settler for liquid-liquid extractors
11/14/1990EP0396601A1 Filtration assembly comprising a pump
11/13/1990CA1276359C Semi-permeable membrane of sulphonated polyarylether sulphones
10/1990
10/31/1990CN1046472A Chlorine-resistant semipermeable membranes
10/30/1990US4966702 Multiple-disc type filters
10/24/1990EP0261111B1 Pressure swing adsorption process and apparatus
10/17/1990CN1010008B Process for extraction of paraffin from mixtures thereof with alkane-sulphonic acids
10/04/1990DE3910716A1 Reactor for removing gaseous pollutants and dusts
10/02/1990CA1274854A1 Process for the extraction of paraffins from mixtures thereof with alkane-sulphonic acids
09/1990
09/20/1990WO1990010494A1 Chlorine-resistant semipermeable membranes
09/14/1990WO1990010489A1 Filter for continuous filtration
09/14/1990CA2027566A1 Filter for continuous filtration
09/11/1990US4956101 Liquid filtration device and method using wave motion
09/05/1990CN1009492B Transver flow diagnostic device
08/1990
08/23/1990WO1990009225A2 Apparatus and process for the elimination of atmospheric pollution
08/14/1990US4948390 To introduce vaporized liquid chemical agent; deodorizing, corrosion inhibition, fumigation, paint curing
07/1990
07/17/1990US4941896 Venturi device with suction openings for power plants and industries
07/03/1990US4938787 Filter device and filter apparatus comprising such filter devices
06/1990
06/26/1990US4936989 Filter with dual fluid pressure actuated valves on common stem
06/26/1990US4936878 Method for cleansing gas and apparatus herefor
06/05/1990CA1269929A1 Transverse flow diagnostic device
05/1990
05/03/1990WO1990004467A1 Drilling mud separation system
05/02/1990EP0366334A1 Improvements in or relating to the recovery of silver
05/01/1990US4921610 Cleaning of hollow fibre filters
04/1990
04/17/1990US4917797 Apparatus for exchanging ions, molecules, gas, liquid and/or heat between fluids
04/04/1990EP0361541A2 Pressure swing adsorption process
03/1990
03/27/1990US4911834 Drilling mud separation system
03/21/1990EP0358827A1 Crystallization method employing microwave radiation
03/14/1990EP0167569B1 Deoxygenation process and apparatus
03/14/1990CN1040358A Process for separation of hf via phase separation and distillation
03/14/1990CN1040335A Method and apparatus for friction sorting of particulate materials
02/1990
02/22/1990DE3827953A1 Pharmaceutical formulation composed of an extract of the stinging nettle root Urtica kiovensis (Rogowicz), its use for the treatment of tumours, and preparation process
02/14/1990EP0354220A1 Multi-stage process for reducing the concentration of pollutants in an effluent
01/1990
01/30/1990CA1265066A1 Multiple-disc type filters
01/17/1990CN1038775A Mixing-type precipitating apparatus of liquid-liqud extraction
12/1989
12/18/1989EP0304478A4 Process for nitrogen oxides reduction with minimization of the production of other pollutants.
12/12/1989EP0313648A4 Process for nitrogen oxides reduction and minimization of the production of other pollutants.
12/06/1989EP0344269A1 Process for the reduction of nitrogen oxides in an effluent
11/1989
11/29/1989CN1037462A Seperation of water from hydrocarbons and halogenated hydrocarbons
11/28/1989US4883906 Recovering product before it cools or comes into contact with water
11/28/1989CA1263325A1 Process and apparatus for purifying styrene- containing exhaust air
11/14/1989CA1262994A1 Membranes
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