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)
06/1983
06/08/1983EP0080684A2 Membrane filtration using ultrafiltration membrane
04/1983
04/19/1983CA1144934A1 Solution of organic or mineral salts in organic solvents
03/1983
03/31/1983WO1983001015A1 Improved packing element
03/22/1983CA1143297A1 Liquor overflow systems
02/1983
02/23/1983EP0072463A2 Gas fractionating apparatus for reducing the concentration of one or more first gases in a mixture thereof with a second gas
11/1982
11/23/1982CA1136057A1 Transfer membrane apparatus
11/02/1982CA1134863A1 Acrylonitrile purification
10/1982
10/19/1982US4354939 Reverse osmosis desalinization utilizing plural flow work exchange vessels
10/19/1982US4354938 Regenerated cellulose
09/1982
09/28/1982CA1132311A1 Dialysis membrane from regenerated cellulose
08/1982
08/24/1982CA1130219A1 Downflow or upflow adsorbent fractionator flow control system
08/17/1982CA1129625A1 Method for separating sulphuric acid from the sulphoxide discharge arising during the reaction of paraffins with sulphur dioxide, oxygen and water in the presence of ultra-violet light
08/10/1982US4343745 Complexing with a teriary amine ether
07/1982
07/22/1982WO1982002414A1 Hydrophobic silica or silicate compositions for containing the same and methods for making and using the same
07/13/1982CA1127559A2 Downflow or upflow adsorbent fractionator flow control system
07/13/1982CA1127558A2 Downflow or upflow adsorbent fractionator flow control system
07/06/1982CA1126919A1 Membrane and method for making and using same
06/1982
06/08/1982US4333832 Rotating solution separation system
05/1982
05/04/1982US4328102 Membrane apparatus having alternate opposite flow transverse to means flow
04/1982
04/27/1982CA1122730A1 Flocculation of suspended solids of multivalent cations with anionic flocculants containing sulfonate ions
03/1982
03/30/1982CA1120866A1 Sealing members for a membrane diffusion
03/23/1982US4321137 Apparatus for processing liquids such as water and the like by reverse osmosis
02/1982
02/09/1982CA1117978A1 Process for recovery of olefinic nitriles
01/1982
01/12/1982US4310473 Water alcohol azeotropes
11/1981
11/04/1981EP0039197A1 Distillation apparatus
10/1981
10/27/1981US4297511 By condensation of aniline and formaldehyde in the presence of a perfluorocarboxylic acid
10/21/1981EP0037883A1 Process for the separation of sulphuric acid from the sulfoxidation product obtained by reacting paraffins with sulphurous anhydride, oxygen and water in the presence of ultraviolet light
08/1981
08/25/1981CA1107656A1 Hemodialysis membrane with included absorbent particles
08/25/1981CA1107467A1 Polycarbonate membranes for use in hemodialysis
08/05/1981EP0033148A1 Tubular membrane module element and process for producing same
07/1981
07/14/1981US4278542 Method for manufacturing multi-layer hemodialyzers and improved multi-layer hemodialyzer obtained thereby
05/1981
05/26/1981US4269667 Feeding a solution of acrylonitrile, water, and impurities into the upper quarter of a column above the sidestream removal point; vacuum distillation
05/26/1981CA1101826A1 Zeolite a crystals of uniformly small particle size and the manufacture thereof
05/26/1981CA1101726A1 Device for dewatering sludge or the like
05/19/1981US4268662 Process for improving semipermeable membranes by treating with protic acids or inorganic salts
04/1981
04/28/1981CA1100149A1 Method for separation of diastereoisomeric 3-(3,4- dibenzyloxyphenyl)serine
03/1981
03/24/1981CA1098045A1 Dialyzer casing
03/11/1981EP0024788A1 Purification of acrylonitrile
03/03/1981US4254112 Inula extract, its method of preparation and its use as pharmaceutical
02/1981
02/24/1981CA1096295A1 Process for continuous crystallization
01/1981
01/27/1981US4247311 Downflow or upflow adsorbent fractionator flow control system
01/20/1981US4246428 Method for separation of diastereoisomeric 3-(3,4-dibenzyloxyphenyl)serine
01/06/1981CA1093240A1 Thin polycarbonate membranes for use in hemodialysis
12/1980
12/23/1980CA1091898A1 Method for removing sulfur dioxide from exhaust gas
12/09/1980US4238295 Heat exchanging
12/09/1980CA1091164A1 Process and apparatus for cleaning particulate filters
11/1980
11/25/1980US4235890 Bacteriostatic, antiphlogistic, antalgic
11/11/1980CA1089371A1 Device for the diffusion of substances between two fluids via semipermeable membranes
11/04/1980US4231875 Diffusion apparatus utilizing tubular semi-permeable membrane
10/1980
10/14/1980US4227999 Ultrafiltration process and apparatus
10/01/1980EP0016673A1 Process for the solubilization of organic or mineral salts in organic solvents and complexes of organic or mineral salts
09/1980
09/23/1980US4224159 Device for diffusing matter between two fluids via semi-permeable diaphragms
08/1980
08/19/1980US4218312 Using a selectively permeable nylon as first surface
08/19/1980CA1083977A1 Skimmer for square settling tank
07/1980
07/22/1980US4213858 Supporting net
07/09/1980EP0013075A1 Transfer membrane apparatus
06/1980
06/11/1980EP0012039A2 Recovery of acrylonitrile
05/1980
05/29/1980WO1980001043A1 Transfer membrane apparatus
05/27/1980US4204963 Sealing members for a membrane diffusion device
05/27/1980CA1078117A1 Process for asymmetrical selectively permeable cellulose triacetate membranes
05/14/1980EP0010704A1 Downflow or upflow adsorbent fractionator flow control system
05/13/1980US4202859 Crystallizer
05/13/1980CA1077240A1 Process and apparatus for the purification of flue and other waste gas
04/1980
04/29/1980US4200531 Water purification
04/02/1980EP0009094A2 Process for the preparation of methylene-bridge polyaryl amines
04/01/1980CA1074766A1 Production of high capacity inorganic crystalline base exchange materials
02/1980
02/26/1980CA1072454A1 Filtering device with v-shaped belt, and packing with glass balls
12/1979
12/12/1979EP0006060A1 Inula extract, process for preparing it and its use as a medicament
12/12/1979EP0006050A1 Extract of Stephania cepharantha, process for preparing it and its therapeutical use
12/11/1979CA1067831A1 Membrane separation of organics from aqueous solutions
12/04/1979CA1067418A1 Plastic vacuum suction funnel
11/1979
11/14/1979EP0005291A1 Process for the recovery of cyclohexanone oxime
11/06/1979US4173622 Zeolite A crystals of uniformly small particle size and the manufacture thereof
10/1979
10/23/1979CA1064830A1 Staged membrane diffusion device and membrane support
09/1979
09/25/1979CA1063038A1 Inverted osmotic action-core heating of tubular membrane
09/18/1979CA1062413A1 Polycarbonate membranes and production thereof
09/04/1979CA1061725A1 Device for diffusing matter between two fluids via semi-permeable diaphragms
08/1979
08/28/1979US4166008 Process for recovery of olefinic nitriles
08/14/1979US4164437 Layers of regenerated cellulose
08/07/1979CA1059923A1 Membrane separation of weak acids from aqueous streams
07/1979
07/24/1979US4162255 Process for extracting aristolochic acids
07/24/1979CA1058830A1 Removal of nitrogen oxides in form of ammonium sulfate from nitrogen oxides-containing gas
07/24/1979CA1058829A1 Removal of nitrogen oxides from gas containing same by conversion to harmless nitrogen
07/11/1979EP0002960A1 Manufacture of zeolite A crystals of uniformly small particle size
06/1979
06/26/1979US4159250 Dialyzer casing
06/12/1979CA1056314A1 Accordion fold flat plate dialyzer
05/1979
05/15/1979US4154792 Dialyzing or oxygenating
05/08/1979CA1054069A2 Plate dialyzer
05/08/1979CA1053870A2 Method for sealing a plate dialyzer
05/01/1979CA1053417A1 Separation process
04/1979
04/17/1979CA1052708A1 Tubular membrane apparatus on supports for the treatment of fluids
04/17/1979CA1052686A1 Packing material
04/10/1979CA1052285A1 Membrane diffusion device having inflatable member for pressurization and sealing
04/03/1979US4147622 Process for manufacturing membranes for osmotic separation
04/03/1979CA1051789A1 Membrane diffusion device having ribbed membrane support
03/1979
03/21/1979EP0001047A2 Viscose membrane for dialysis, especially for hemodialysis, and process for its fabrication
03/20/1979CA1050734A1 Process for the removal of so2 from gases of air
03/06/1979US4142966 Flushing with phenol
02/1979
02/27/1979US4141799 Process for the purification of high-melting organic products
02/07/1979EP0000566A1 Process for recovery of olefinic nitriles
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