ClassID:

29672

B01D53/228 - page 7 - CPC Classification

Classification description:

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, aerosols, by diffusion characterised by specific membranes

Recent Application in this class:
#1801
20070068383
2007-03-29

Hydrogen permeation alloy and a method of manufacturing the same

#1802
20070068382
2007-03-29

Functionalized inorganic membranes for gas separation

#1803
20070056256
2007-03-15

Electrostatic air filter

#1804
20070051240
2007-03-08

Method for making nano-scale filter

#1805
20070048171
2007-03-01

Hydrogen permeable alloy

#1806
20070045174
2007-03-01

Methods for fabricating zeolite micromembranes

#1807
20070044663
2007-03-01

Method for fabricating a hydrogen separation membrane on a porous substrate

#1808
20070044662
2007-03-01

Method for fabricating dense thin film cermet hydrogen separation membrane

#1809
20070031325
2007-02-08

Apparatus and method for hydrogen generation from gaseous hydride

#1810
20070025909
2007-02-01

Hydrogen separation process using mixed oxide ion/electronic/hydrogen atom conducting membranes

#1811
20070022878
2007-02-01

Ion irradiated electrolyte membrane, anode, and/or cathode

#1812
20070022877
2007-02-01

ORDERED MESOPORE SILICA MIXED MATRIX MEMBRANES, AND PRODUCTION METHODS FOR MAKING ORDERED MESOPORE SILICA MIXED MATRIC MEMBRANES

#1813
20070020391
2007-01-25

Preparation of membranes using solvent-less vapor deposition followed by in-situ polymerization

#1814
20070017861
2007-01-25

Carbon nanocomposite membranes and methods for their fabrication

#1815
20070014717
2007-01-18

Zeolite formed product, zeolite laminate intermediate, zeolite laminate composite and method for their preparation

#1816
20070009778
2007-01-11

Proton conducting membrane using a solid acid

#1817
20070003809
2007-01-04

Liquid-gas separator for direct liquid feed fuel cell

#1818
20060283323
2006-12-21

Polyoxometalate material for gaseous stream purification at high temperature

#1819
20060275205
2006-12-07

Hydrogen extraction from gases derived from solid hydrocarbon fuels using mixed oxide ion/electronic conducting membranes

#1820
20060273004
2006-12-07

Gas/ion species selective membrane support by multi-stage nano-hole array metal structure

#1821
20060272499
2006-12-07

Gas filtration media

#1822
20060266213
2006-11-30

Method of treating a gas mixture comprising propane and propylene

#1823
20060249020
2006-11-09

Separation process using microchannel technology

#1824
20060249018
2006-11-09

Nucleophilic modifier functionalized and/or crosslinked solvent-resistant polymide and copolymer membranes

#1825
20060246273
2006-11-02

Microporous polymer material

#1826
20060240304
2006-10-26

Catalytic membranes for CO oxidation in fuel cells

#1827
20060239874
2006-10-26

Membrane apparatus and method of preparing a membrane and a method of producing hydrogen

#1828
20060237130
2006-10-26

ACOUSTIC WEB

#1829
20060236857
2006-10-26

Membranes for selective gas separation

#1830
20060231492
2006-10-19

Process and system for blending components obtained from a stream

#1831
20060231485
2006-10-19

Method for manufacturing polyimide asymmetric membrane, and polyimide asymmetric membrane

#1832
20060230937
2006-10-19

Composite material for ultra thin membranes

#1833
20060230927
2006-10-19

Hydrogen separation

#1834
20060230926
2006-10-19

Composite material, in particular composite membrane, and process for the production of the same

#1835
20060213368
2006-09-28

Hydrogen permeable membrane

#1836
20060207427
2006-09-21

Solid-state membrane module

#1837
20060196355
2006-09-07

Separation membrane by controlled annealing of polyimide polymers

#1838
20060191408
2006-08-31

Composite mixed oxide ionic and electronic conductors for hydrogen separation

#1839
20060180574
2006-08-17

Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter

#1840
20060174767
2006-08-10

Hydrogen separator and method for production thereof

#1841
20060174766
2006-08-10

Space group Cp2 alloys for the use and separation of hydrogen

#1842
20060172417
2006-08-03

Cell cultivation and breeding method

#1843
20060165935
2006-07-27

Selectively permeable membrane

#1844
20060160200
2006-07-20

Supporting body with immobilized catalytically active units

#1845
20060156920
2006-07-20

Separation membrane made from blends of polyimide with polyamide or polyimide-amide polymers

#1846
20060145126
2006-07-06

Perovskite material, preparation method and use in catalytic membrane reactor

#1847
20060144239
2006-07-06

Gas separating body and method for producing same

#1848
20060138043
2006-06-29

Process for preparation of thin film composite membrane

#1849
20060131178
2006-06-22

Separation and reaction method utilizing an oxygen ion transport element

#1850
20060127656
2006-06-15

Catalytic membrane reactor

#1851
20060120948
2006-06-08

Membrane for hydrogen recovery from streams containing hydrogen sulfide

#1852
20060117955
2006-06-08

Solvent resistant asymmetric integrally skinned membranes

#1853
20060117949
2006-06-08

Method of making mixed matrix membranes using electrostatically stabilized suspensions

#1854
20060115643
2006-06-01

Hydrogen separator and process for production thereof

#1855
20060115423
2006-06-01

Gas separation using boron-containing molecular sieve CHA

#1856
20060112822
2006-06-01

Apparatus and method for separating gases

#1857
20060107830
2006-05-25

Mixed matrix membrane with mesoporous particles and methods for making and using the same

#1858
20060096948
2006-05-11

Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter

#1859
20060096453
2006-05-11

Noble metal gas barriers

#1860
20060079725
2006-04-13

Membranes for highly selective separations

#1861
20060070524
2006-04-06

Hydrogen separation membrane and process for producing the same

#1862
20060062707
2006-03-23

Oxygen generator with storage and conservation modes

#1863
20060060081
2006-03-23

Operation of mixed conducting metal oxide membrane systems under transient conditions

#1864
20060060080
2006-03-23

Control of differential strain during heating and cooling of mixed conducting metal oxide membranes

#1865
20060051568
2006-03-09

Composite membranes of high homogeneity

#1866
20060049102
2006-03-09

Ionic polymer membranes

#1867
20060024839
2006-02-02

Inorganic carbon removal

#1868
20060021502
2006-02-02

Cross-linked polybenzimidazole membrane for gas separation

#1869
20060016332
2006-01-26

Method for fabricating a composite gas separation module

#1870
20060016331
2006-01-26

Phosphazene membranes for gas separations

#1871
20060011063
2006-01-19

High temperature gas separation membrane suitable for OBIGGS applications

#1872
20050284294
2005-12-29

Ultrahigh-selectivity oxygen enrichment filled elastomeric silicone polymer membrane incorporating nanofillers

#1873
20050268783
2005-12-08

Crosslinked and crosslinkable hollow fiber membrane and method of making same utility

#1874
20050268782
2005-12-08

Novel polyimide based mixed matrix membranes

#1875
20050266297
2005-12-01

Perovskite-based fuel cell electrode and membrane

#1876
20050263456
2005-12-01

Nanomesh article and method of using the same for purifying fluids

#1877
20050260118
2005-11-24

Mesoporous carbon films and methods of preparation thereof

#1878
20050253312
2005-11-17

Process for manufacturing of ceramic catalytic membrane reactors by co-extrusion

#1879
20050252853
2005-11-17

Novel proton conducting materials and devices incorporating them

#1880
20050252377
2005-11-17

Air dehydration membrane

#1881
20050252372
2005-11-17

Hydrogen separation using oxygen ion-electron mixed conduction membranes

#1882
20050242022
2005-11-03

Gas/ion species selective membrane supported by multi-stage nano-hole array metal structure

#1883
20050241477
2005-11-03

Hydrogen transport membranes

#1884
20050235826
2005-10-27

Air separation system using dehydration membrane for pretreatment of compressed air

#1885
20050235825
2005-10-27

Method for making carbon membranes for fluid separation

#1886
20050230305
2005-10-20

Novel method for forming a mixed matrix composite membrane using washed molecular sieve particles

#1887
20050229779
2005-10-20

Method for preparing DDR type zeolite membrane, DDR type zeolite membrane, and composite DDR type zeolite membrane, and method for preparation thereof

#1888
20050217479
2005-10-06

Helium recovery from gas streams

#1889
20050214613
2005-09-29

Tubular solid oxide fuel cell stack

#1890
20050204920
2005-09-22

Efficient 3-D nanostructured gas separation membranes

#1891
20050204916
2005-09-22

High-selectivity supported SAPO membranes

#1892
20050204915
2005-09-22

Porous gas permeable material for gas separation

#1893
20050194571
2005-09-08

Ceramic mixed protonic/electronic conducting membranes for hydrogen separation

#1894
20050188845
2005-09-01

Hydrogen-permeable membrane and process for production thereof

#1895
20050188843
2005-09-01

Hydrogen purification membranes, components and fuel processing systems containing the same

#1896
20050183407
2005-08-25

High CTE reaction-bonded ceramic membrane supports

#1897
20050172811
2005-08-11

Hydrogen-selective silica-based membrane

#1898
20050150383
2005-07-14

Facilitated transport membranes for an alkene Hydrocarbon separation

#1899
20050148457
2005-07-07

Production method for zeolite shaped body and production method for zeolite layered composite

#1900
20050145107
2005-07-07

Process for producing polyolefin membrane with integrally asymmetrical structure

#1901
20050142053
2005-06-30

Complex mixed conductor and its preparing method

#1902
20050139066
2005-06-30

Mixed matrix membranes with small pore molecular sieves and methods for making and using the membranes

#1903
20050139065
2005-06-30

Mixed matrix membranes with low silica-to-alumina ratio molecular sieves and methods for making and using the membranes

#1904
20050109609
2005-05-26

Method for forming supported palladium membrane used for hydrogen purification

#1905
20050106439
2005-05-19

Controlled heating and cooling of mixed conducting metal oxide materials

#1906
20050103714
2005-05-19

Polymeric membrane wafer assembly and method

#1907
20050103710
2005-05-19

Dynamic membrane wafer assembly and method

#1908
20050103193
2005-05-19

Oxygen and nitrogen enriched atmospheres in aircraft

#1909
20050092175
2005-05-05

Noble metal gas barriers

#1910
20050087491
2005-04-28

Hybrid membrane, method for producing the same and use of said membrane

#1911
20050076779
2005-04-14

Gas separating unit and method for manufacturing the same

#1912
20050072772
2005-04-07

Automatic temperature control system and method

#1913
20050072690
2005-04-07

Ion exchange membranes and dissolved gas sensors

#1914
20050072304
2005-04-07

Composite structures of membranes that are selectively permeable to hydrogen and combustible gas processors using same

#1915
20050070424
2005-03-31

Method for making transparent continuous zeolite film and structure of the zeolite film

#1916
20050070193
2005-03-31

Ceramic membrane based on a substrate containing polymer or natural fibres, method for the production and use thereof

#1917
20050067346
2005-03-31

Flexible and porous membranes and adsorbents, and method for the production thereof

#1918
20050061663
2005-03-24

Composite oxygen ion transport element

#1919
20050061145
2005-03-24

Metal gas separation membrane

#1920
20050058871
2005-03-17

Oxygen separation through hydroxide-conductive membrane

#1921
20050045034
2005-03-03

Tubular hydrogen permeable metal foil membrane and method of fabrication

#1922
20050045032
2005-03-03

Denuder assembly for collection and removal of soluble atmospheric gases

#1923
20050037299
2005-02-17

Oxygen transport membrane reactor and method

#1924
20050037209
2005-02-17

Layered silicate material and applications of layered materials with porous layers

#1925
20050034602
2005-02-17

Air dehydration membrane

#1926
20050031531
2005-02-10

Ion transport membrane module and vessel system

#1927
20050028671
2005-02-10

Method of optimally operating a palladium-copper alloy membrane in the generation of pure hydrogen from a fossil fuel reformate at a controlled high temperature

#1928
20050028670
2005-02-10

Ionically crosslinked molecular thin film

#1929
20050019594
2005-01-27

Epitaxial thin films

#1930
20050016865
2005-01-27

Air enhancement system

#1931
20050014038
2005-01-20

Apparatus for hydrogen separation and fuel cell system

#1932
20050008913
2005-01-13

Ionic conduction device

#1933
20050006249
2005-01-13

Ceramic member with oxygen ion conductivity and use thereof

#1934
20050000899
2005-01-06

Dithiolene functionalized polymer membrane for olefin/paraffin separation

#1935
18985644
2025-04-29

Glass supported separation membrane

#1936
18910689
2025-01-28

Substrate supported gas separation membrane

#1937
18805958
2025-01-14

Polyimide membranes incorporating diselenide functionality for selective separation of CO

#1938
18799030
2024-11-26

Gas separation membrane

#1939
18765778
2024-12-31

Mixed matrix membrane with a covalent organic framework for selective COseparation

#1940
18739856
2025-11-18

Graphene oxide composite membranes

#1941
18657831
2024-10-08

Multifunctional diselenide-based polyimide membrane for gas separation and purification

#1942
18638509
2024-10-22

Wellhead carbon capture, utilization, and storage using mixed matrix membranes

#1943
18424094
2025-04-22

System and method for cleaning of biogas

#1944
18424009
2025-04-01

System and method for cleaning of biogas

#1945
18170722
2026-05-26

Asymmetric carbon molecular sieve hollow fiber membranes

#1946
18082979
2023-12-05

Hybrid membranes with functionalized fillers for natural gas sweetening

#1947
17981162
2023-10-17

Crown ether amines and methods of use

#1948
17697230
2024-05-21

Robust membrane supporting structures

#1949
17556056
2023-03-07

Hollow fiber membrane module and method of making and using same

#1950
17511612
2024-02-20

Water extractable microcapsules of activated carbon, super activated carbon, and other adsorptive and reactive materials

#1951
17123416
2022-10-11

CO2 capture and sequestration system utilizing high density geometric constructs

#1952
16653250
2023-11-21

Methods for manufacturing a solid state ionic conductive membrane on a macro porous support scaffold

#1953
16381333
2020-05-05

Thin-film composite membrane and processes for the separation of alkenes from a gaseous feed mixture

#1954
16372060
2022-07-12

Process and system for low pressure CO2 capture and bio-sequestration

#1955
16233817
2022-01-11

Mechanically robust PIM-1 and polyphosphazene blended polymer for gas separation membranes

#1956
15834283
2021-11-30

Water extractable microcapsules of activated carbon, super activated carbon, and other adsorptive and reactive materials

#1957
15491996
2018-07-17

Composite material type oxygen transport membrane

#1958
15472426
2018-08-21

Super high permeance and high selectivity rubbery polymeric membranes for separations

#1959
15449895
2019-11-19

Modular cooling chamber for manifold of gaseous electrolysis apparatus with helium permeable element therefor

#1960
15138400
2019-01-08

Carbon dioxide separator membrane structure, method of manufacturing same, and carbon dioxide separator including same

#1961
14684475
2017-05-02

Mechanical membrane for the separation of a paramagnetic constituent from a fluid

#1962
14605557
2016-06-14

Separation of gases using GME framework type zeolites

#1963
14560207
2016-05-03

Copolyimide membranes with high permeability and selectivity for olefin/paraffin separations

#1964
14519743
2017-03-21

Surface functionalization of metal organic frameworks for mixed matrix membranes

#1965
14499331
2016-02-23

High selectivity polyimide membrane for natural gas upgrading and hydrogen purification

#1966
14301945
2015-11-17

Device for separation of oxygen and nitrogen

#1967
14207912
2020-01-07

Nanoporous graphene membranes

#1968
14184308
2014-09-09

Gas separation membranes based on perfluorinated polymers

#1969
14166438
2015-06-30

Solid-state membrane module

#1970
14108321
2015-04-07

Aromatic poly (ether sulfone imide) membranes for gas separations