ClassID:

29968

B01D69/08 - page 4 - CPC Classification

Classification description:

Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor Hollow fibre membranes

Recent Application in this class:
#901
20070114167
2007-05-24

Bundle of selectively permeable polysulfone-based hollow fiber membranes and process for manufacturing same

#902
20070090051
2007-04-26

Hollow fiber membrane and method of producing the same

#903
20070084794
2007-04-19

Porous membrane and method for manufacturing the same

#904
20070080108
2007-04-12

Hollow fiber membrane for blood purification and blood purification apparatus using the same

#905
20070056901
2007-03-15

Solvent-resistant membranes from solvent-inert polyimides and polyketones

#906
20070045175
2007-03-01

Preparation of asymmetric polyethylene hollow fiber membrane

#907
20070039872
2007-02-22

Vinylidene fluoride based resin porous hollow yarn and method for production thereof

#908
20070034570
2007-02-15

Biofilm reduction in pressure driven membrane-based water treatment systems

#909
20070023353
2007-02-01

Specialized hollow fiber membranes for plasmapheresis and ultrafiltration

#910
20070007197
2007-01-11

System and method for synthesizing a polymeric membrane

#911
20070004023
2007-01-04

Methods, apparatuses, and reactors for gas separation

#912
20060266706
2006-11-30

Methods of minimising the effect of integrity loss in hollow fibre membrane modules

#913
20060264355
2006-11-23

Separating material

#914
20060234582
2006-10-19

Permselective membrane and process for manufacturing thereof

#915
20060231485
2006-10-19

Method for manufacturing polyimide asymmetric membrane, and polyimide asymmetric membrane

#916
20060196825
2006-09-07

Pvc hollow filtration membrane and the preparation method thereof

#917
20060196355
2006-09-07

Separation membrane by controlled annealing of polyimide polymers

#918
20060191844
2006-08-31

Highly water-permeable blood purifier of hollow-fiber membrane type

#919
20060188942
2006-08-24

Detection of micro-organisms

#920
20060156920
2006-07-20

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

#921
20060154057
2006-07-13

Ceramic hollow fibers made from nanoscale powder particles

#922
20060144782
2006-07-06

Perm selective asymmetric hollow fibre membrane for the separation of toxic mediators from blood

#923
20060124530
2006-06-15

Anticoagulant and thrombo-resistant hollow fiber membranes for in-vivo plasmapheresis and ultrafiltration

#924
20060121217
2006-06-08

Composite material comprising layered hydrophilic coatings

#925
20060119015
2006-06-08

Method for producing hollow fibres

#926
20060117955
2006-06-08

Solvent resistant asymmetric integrally skinned membranes

#927
20060117949
2006-06-08

Method of making mixed matrix membranes using electrostatically stabilized suspensions

#928
20060108288
2006-05-25

Plasma purification membrane and plasma purification system

#929
20060099414
2006-05-11

Functional porous fibres

#930
20060081525
2006-04-20

Fibers with axial capillary slot that enhances adsorption, absorption and separation

#931
20060076294
2006-04-13

Desalination devices and systems using porous hydrophobic hollow fibers and hydrophobic porous coatings

#932
20060011063
2006-01-19

High temperature gas separation membrane suitable for OBIGGS applications

#933
20050274665
2005-12-15

Capillary membrane and device for production thereof

#934
20050268783
2005-12-08

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

#935
20050258101
2005-11-24

Hollow fiber membrane and method of producing the same

#936
20050252853
2005-11-17

Novel proton conducting materials and devices incorporating them

#937
20050252377
2005-11-17

Air dehydration membrane

#938
20050242021
2005-11-03

Hollow fibres

#939
20050230856
2005-10-20

Hollow fiber membrane contact apparatus and process

#940
20050230305
2005-10-20

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

#941
20050205488
2005-09-22

Composite porous membrane and method for producing the same

#942
20050202182
2005-09-15

Method for producing fabric-reinforced capillary membranes, in particular for ultrafiltration

#943
20050187508
2005-08-25

Structurally optimized hollow fiber membranes

#944
20050170176
2005-08-04

Process for production of poly(m-phenyleneisophthal-amide) porous hollow fiber membrane

#945
20050164025
2005-07-28

Semipermeable hydrophilic membrane

#946
20050155926
2005-07-21

System and method for synthesizing a polymer membrane

#947
20050145561
2005-07-07

Porous membrane

#948
20050145556
2005-07-07

Methods of minimizing the effect of integrity loss in hollow fibre membrane modules

#949
20050145107
2005-07-07

Process for producing polyolefin membrane with integrally asymmetrical structure

#950
20050142280
2005-06-30

System and method for synthesizing a polymer membrane

#951
20050121384
2005-06-09

Specialized hollow fiber membranes for in-vivo plasmapheresis and ultrafiltration

#952
20050112371
2005-05-26

Microporous hollow fiber membrane with lengthwise variable mechanical and filtration properties and the method of their preparation

#953
20050103716
2005-05-19

Method of making and using a hollow fiber microfiltration membrane

#954
20050103193
2005-05-19

Oxygen and nitrogen enriched atmospheres in aircraft

#955
20050098494
2005-05-12

Poly(ethylene chlorotrifluoroethylene) membranes

#956
20050082717
2005-04-21

Methods of making stretched filtering membranes and modules

#957
20050069700
2005-03-31

Manufacture of polyimide-hollow fibres

#958
20050058595
2005-03-17

Reactor and method for generating hydrogen from a metal hydride

#959
20050051479
2005-03-10

Hollow fiber membrane and braided tubular support therefor

#960
20050045554
2005-03-03

Membrane unit element, semipermeable membrane, filtration device, and processes for manufacturing the same

#961
20050040101
2005-02-24

Hollow fiber membrane for the treatment of waste lubricants and method for its production

#962
20050034602
2005-02-17

Air dehydration membrane

#963
20050011359
2005-01-20

Metal solution-diffusion membrane and method for producing the same

#964
20050009001
2005-01-13

Device for removing bacterial lipopolysaccharides and/or lipoteichoic acids from protein-containing fluids and its use for the treatment of sepsis

#965
18209578
2024-01-23

Low-pressure high-flux hollow fiber nanofiltration (NF) membrane, and preparation method and use thereof

#966
18170722
2026-05-26

Asymmetric carbon molecular sieve hollow fiber membranes

#967
17836575
2022-11-08

Mesoporous poly (aryl ether ketone) hollow fiber membranes and use thereof in mass transfer processes

#968
17362470
2022-07-19

Blood processing apparatus and method for preventing cancer metastasis

#969
16989142
2022-12-13

Filtration processes and systems

#970
16914196
2023-04-04

Vital water

#971
16372060
2022-07-12

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

#972
16203967
2019-10-29

Liquid-liquid mass transfer process and apparatus

#973
15882385
2019-01-01

Plunger pumping arrangement for a hollow fiber filter

#974
14560207
2016-05-03

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

#975
14499332
2016-01-12

High selectivity polyimide membrane for natural gas upgrading and hydrogen purification