Patents-Review.com
ClassID:

28454 ⎘

B01D3/324 - CPC Classification

Classification description:

Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping; Fractional distillation or use of a fractionation or rectification column; Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups  -  Tray constructions

Sub-classes:
Recent Application in this class:
#1
20260084075
2026-03-26

REACTIVE MONOMER SEPARATION DEVICE

 #2
20260048343
2026-02-19

Separation System

 #3
20250312708
2025-10-09

METHOD OF REDUCING AMMONIA IN WATER WASTE STREAMS

 #4
20250186902
2025-06-12

MASS TRANSFER TRAY, USE THEREOF, COLUMN HAVING THE SAME, AND THERMAL SEPARATION PROCESS

 #5
20250090974
2025-03-20

FRACTIONATION TRAY WITH ADJUSTABLE OPEN AREA FOR CLEANING AND/OR THROUGHPUT CONTROL

 #6
20240400480
2024-12-05

Process and apparatus for the preparation of alkylene glycol

 #7
20240075404
2024-03-07

CONTACT TOWER TRAY AND RELATED METHODS

 #8
20230398466
2023-12-14

SEPARATION TOWER AND METHOD FOR TREATING CONDENSED WATER

 #9
20230295352
2023-09-21

APPARATUS FOR REMOVING RESIDUAL MONOMERS

 #10
20230286888
2023-09-14

ALLOYS AND METHODS FOR ENHANCED IMPURITY REMOVAL IN DISTILLATION PROCESSES

 #11
20230092008
2023-03-23

Multi-bubbling region column tray and corresponding plate column

 #12
20230070099
2023-03-09

Stacked-plate distillation column

 #13
20230033215
2023-02-02

SYSTEM AND METHOD FOR ENHANCED ETHANOL PRODUCTION

 #14
20230008997
2023-01-12

SYSTEM AND METHOD FOR SUPER-HEAT REMOVAL IN PACKED DISTILLATION COLUMN

 #15
20220331709
2022-10-20

Distillation trays

 #16
20220295321
2022-09-15

Contact tray for a mass transfer column

 #17
20220072446
2022-03-10

Apparatus and method for heat treating a feedstock comprising a lipid material

 #18
20220062785
2022-03-03

MASS TRANSFER ASSEMBLY AND COLUMN WITH DIVIDING WALL AND METHODS INVOLVING SAME

 #19
20220009862
2022-01-13

Process and apparatus for the preparation of alkylene glycol

 #20
20210346818
2021-11-11

Fractionation tray with adjustable open area for cleaning and/or throughput control

 #21
20210299589
2021-09-30

Method and system for orifice control of valve pressure drop

 #22
20210178283
2021-06-17

Mass transfer assembly and column with dividing wall and methods involving same

 #23
20210178282
2021-06-17

Mass transfer assembly and column with dividing wall and methods involving same

 #24
20210171484
2021-06-10

Method and system for producing epoxyalkane

 #25
20210170300
2021-06-10

Multiple downcomer trays

 #26
20210106926
2021-04-15

Base for a mass-transfer column

 #27
20200155960
2020-05-21

Liquid double distribution device of use in particular in an apparatus in which a liquid phase flows under gravity

 #28
20190321748
2019-10-24

Contact tray having baffle wall for concentrating low liquid flow and method involving same

 #29
20190299121
2019-10-03

Folded fractionation column and process

 #30
20190299120
2019-10-03

Vapor-liquid contacting apparatus and process with offset contacting modules

 #31
20190299119
2019-10-03

Vapor-liquid contacting apparatus and process with cross contacting

 #32
20190299118
2019-10-03

Folded fractionation column and process

 #33
20190270031
2019-09-05

Fluid dispersion unit with directional component vector

 #34
20190247767
2019-08-15

Distillation column having removable tray assembly

 #35
20190192991
2019-06-27

Contact tray for a mass transfer column

 #36
20190168131
2019-06-06

Gas-distributing tray for the bottom of a gas/liquid contact column comprising a zone for collecting liquid partially overlapped by gas chimneys

 #37
20190151767
2019-05-23

Fluid dispersion unit with directional component vector

 #38
20190143242
2019-05-16

Fluid collection device, material exchange column and method for producing a fluid collection device of this type

 #39
20190119188
2019-04-25

Process for the distillation of an aldehyde mixture

 #40
20180318752
2018-11-08

Gas redirecting device for liquid-gas contacting column

 #41
20180178172
2018-06-28

Contact tray having picketed liquid flow barriers and method involving same

 #42
20180140966
2018-05-24

Exchange column distributor tray comprising a dispersive material within a chimney for gas passage

 #43
20180133618
2018-05-17

Clip for securing vessel internals and method of assembly

 #44
20180104617
2018-04-19

SEMICONTINUOUS DIVIDED WALL DISTILLATION

 #45
20180022680
2018-01-25

Method for producing acrylic acid

 #46
20170361242
2017-12-21

Tray assembly for gas/liquid contact tower

 #47
20170348609
2017-12-07

Fluid contact tray particularly for the use in an offshore fractionation column

 #48
20170304743
2017-10-26

Air stripper system and method

 #49
20170173492
2017-06-22

Column for thermal treatment of fluid mixtures

 #50
20170173491
2017-06-22

Chimney tray for a column for thermal treatment of fluid mixtures

 #51
20170136385
2017-05-18

Fluid dispersion unit with directional component vector

 #52
20170120162
2017-05-04

Curved liquid collector trays useful in pressure vessels

 #53
20170014730
2017-01-19

COLUMN FOR THERMAL TREATMENT OF FLUID MIXTURES, ESPECIALLY THOSE COMPRISING (METH)ACRYLIC MONOMERS

 #54
20170014729
2017-01-19

COLUMN FOR THERMAL TREATMENT OF FLUID MIXTURES, ESPECIALLY THOSE COMPRISING (METH)ACRYLIC MONOMERS

 #55
20160339355
2016-11-24

Oil scrubbing column

 #56
20160319206
2016-11-03

Method for separating a hydrocarbon mixture, separating plant and steam cracking plant

 #57
20160296854
2016-10-13

Vapor-liquid contact tray including interlocking joint

 #58
20160271516
2016-09-22

Crossflow tray for a mass transfer column, mass transfer column and use of the mass transfer column

 #59
20160229770
2016-08-11

Process for the purification of a cracking gas stream in an oil scrub column

 #60
20160228788
2016-08-11

FLUID CONTACTOR-DIFFUSER TRAY ASSEMBLY

 #61
20160206970
2016-07-21

Column with angular profiles

 #62
20160175734
2016-06-23

DISTRIBUTOR TRAY FOR HEAT AND/OR MATERIAL EXCHANGE COLUMNCOMPRISING BUBBLING MEANS

 #63
20160175733
2016-06-23

Compact distributor tray for offshore gas/liquid contact columns

 #64
20160151722
2016-06-02

Liquid mixing collector and a method for its use

 #65
20160144291
2016-05-26

Multiple downcomer tray and tray column comprising the same

 #66
20160138864
2016-05-19

Liquid collection system

 #67
20160107099
2016-04-21

Distributor tray for gas/liquid contact column with secondary distribution system

 #68
20160082364
2016-03-24

Compact distributor tray for offshore gas/liquid contact columns

 #69
20160038852
2016-02-11

Column for thermal treatment of fluid mixtures

 #70
20160038851
2016-02-11

METHOD AND SYSTEM FOR ORIFICE CONTROL OF VALVE PRESSURE DROP

 #71
20150352464
2015-12-10

Hybrid contact tray for a mass transfer column

 #72
20150336025
2015-11-26

Fractionation tray having a manway unit

 #73
20150217208
2015-08-06

Distillation column having removable tray assembly

 #74
20150182872
2015-07-02

Mass transfer tray

 #75
20150174506
2015-06-25

Trihalosilane refining device having divided wall distillation column

 #76
20150159939
2015-06-11

Method and system of maintaining a liquid level in a distillation tower

 #77
20150136582
2015-05-21

Gas-liquid contact device, distillation device, and heat exchange device

 #78
20150001745
2015-01-01

Spherical desalination device

 #79
20150001038
2015-01-01

Horizontal method for tray distillation and other gas-liquid contact operations

 #80
20140361451
2014-12-11

Fluid dispersion unit with directional component vector

 #81
20140284824
2014-09-25

Base for a mass transfer column

 #82
20140252663
2014-09-11

Column for carrying out gas/liquid mass-transfer processes

 #83
20140171717
2014-06-19

Apparatuses and methods for separating paraffin isomerization-zone effluents

 #84
20140144768
2014-05-29

Fluid contactor-diffuser tray assembly

 #85
20130264725
2013-10-10

Wet scrubber tray

 #86
20130113128
2013-05-09

Device for bringing about a phase contact between a liquid phase and a gaseous phase, in particular a heat and mass transfer column

 #87
20130062792
2013-03-14

Co-current vapor-liquid contacting apparatuses for offshore processes

 #88
20120256331
2012-10-11

COLUMN WITH CARRYING DEVICES FOR COLUMN INTERNALS

 #89
20120211347
2012-08-23

Method and apparatus for securing fractionation trays

 #90
20120181713
2012-07-19

Fluid inlet and distribution system for volatile organic compound removal device

 #91
20120139135
2012-06-07

Removable fluid downcomer with seal pot pan for volatile organic compound removal device

 #92
20120118399
2012-05-17

Fluid dispersion unit assembly and method

 #93
20120116136
2012-05-10

DEVICE FOR DISTRIBUTING A POLYPHASE MIXTURE COMPRISING A JET BREAKER TRAY WITH A SEPARATING ELEMENT

 #94
20120024977
2012-02-02

Fluid contactor-diffuser tray assembly

 #95
20120012216
2012-01-19

Device for damping pressure variations in a sealed chamber

 #96
20110303089
2011-12-15

Selective absorption of gas components in co-current contacting apparatuses

 #97
20110272830
2011-11-10

DOWNCOMERS FOR MASS TRANSFER COLUMN

 #98
20110240458
2011-10-06

Stripping column and process for extracting a component from a liquid medium

 #99
20100288624
2010-11-18

Activated hinge-joint

 #100
20100242730
2010-09-30

Contacting stages for co-current contacting apparatuses

 #101
20100162891
2010-07-01

VAPOR-LIQUID CONTACTING IN CO-CURRENT CONTACTING APPARATUSES

 #102
20100162890
2010-07-01

De-entrainment device

 #103
20090315196
2009-12-24

Device for gas-liquid contacting

 #104
20090309245
2009-12-17

Wet scrubber tray

 #105
20090205945
2009-08-20

Process and apparatus for alkylation of benzene with aliphatic mono-olefin compound

 #106
20090189301
2009-07-30

Downcomer distributor

 #107
20090174091
2009-07-09

Vapour-liquid distribution device

 #108
20090047194
2009-02-19

Inner tray for a chamber

 #109
20080277260
2008-11-13

Fluid dispersion unit assembly and method

 #110
20080264489
2008-10-30

Method and a Device for Handling a Liquid

 #111
20070145611
2007-06-28

Gas-liquid contactor baffle

 #112
20070137482
2007-06-21

Co-current vapor-liquid contacting apparatus

 #113
20070095646
2007-05-03

Apparatus for catalytic distillation processes

 #114
20060213758
2006-09-28

Thermal separating process

 #115
20060065988
2006-03-30

Exchange column, perforated tray assembly

 #116
20050218534
2005-10-06

Contact tray having tray supported downcomers

 #117
17847924
2023-01-10

Multi-bubbling region column tray and corresponding plate column

 #118
17324672
2022-06-28

Online fuel cutpoint control application using color spectrum

 #119
16599933
2022-10-25

System and method for synthesis of dialkyl carbonates using carbon dioxide reaction with methanol and ammonia

 #120
16023863
2019-11-12

Process for separation of propylene from a liquefied petroleum gas stream