ClassID:

28447

B01D3/225 - 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; Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids Dual-flow sieve trays

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

REACTIVE MONOMER SEPARATION DEVICE

#2
20230415068
2023-12-28

SYSTEMS INCLUDING A CONDENSING APPARATUS SUCH AS A BUBBLE COLUMN CONDENSER

#3
20210170300
2021-06-10

Multiple downcomer trays

#4
20210146273
2021-05-20

DISTRIBUTOR TRAY FOR A FRACTIONATING COLUMN, COMPRISING A COMPARTMENT FOR DISTRIBUTING GAS

#5
20200094160
2020-03-26

Process for isolating pure 2-ethylhexyl acrylate or pure 2-propylheptyl acrylate from the corresponding crude alkyl acrylate by distillation

#6
20200011597
2020-01-09

Multiple pass, parallel flow downcomer tray for a mass transfer column

#7
20190330137
2019-10-31

Process for isolating pure tert-butyl (meth)acrylate from crude tert-butyl (meth)acrylate by distillation

#8
20190282921
2019-09-19

SYSTEMS INCLUDING A CONDENSING APPARATUS SUCH AS A BUBBLE COLUMN CONDENSER

#9
20190209945
2019-07-11

COLUMN INTERNALS MOUNTING ANGLE

#10
20190177620
2019-06-13

Process for conversion of plastics into fuel

#11
20190046894
2019-02-14

CHORDAL WALL SUPPORT SYSTEM FOR CROSS FLOW TRAYS IN A MASS TRANSFER COLUMN AND METHOD INVOLVING SAME

#12
20180292129
2018-10-11

Method for liquid-vapor contacting in a mass transfer column using multiple pass, parallel flow downcomer trays

#13
20170348609
2017-12-07

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

#14
20170173492
2017-06-22

Column for thermal treatment of fluid mixtures

#15
20170122662
2017-05-04

Multiple pass, parallel flow downcomer tray for a mass transfer column

#16
20160271516
2016-09-22

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

#17
20150352462
2015-12-10

Hybrid contact tray for a mass transfer column

#18
20150329377
2015-11-19

Systems including a condensing apparatus such as a bubble column condenser

#19
20150190731
2015-07-09

Systems including a condensing apparatus such as a bubble column condenser

#20
20150190730
2015-07-09

Systems including a condensing apparatus such as a bubble column condenser

#21
20150129410
2015-05-14

Systems including a condensing apparatus such as a bubble column condenser

#22
20130274519
2013-10-17

Thermal separation process

#23
20130234348
2013-09-12

Cross flow tray and support system for use in a mass transfer column

#24
20120292791
2012-11-22

Use of downcomer beam to support adjacent cross flow trays within a mass transfer column and process involving same

#25
20100244290
2010-09-30

Fluid distribution to parallel flow vapor-liquid contacting trays

#26
20070129571
2007-06-07

PROCESS FOR PRODUCING (METH)ACRYLIC ACIDS

#27
20070069405
2007-03-29

Fluid distributor for a material and heat exchange column, in particular, a packed column and column provided with such a distributor

#28
20060000703
2006-01-05

High capacity purification of thermally unstable compounds

#29
20050252760
2005-11-17

Distillation apparatus for readily polymerizable compound

#30
20050211542
2005-09-29

Method for the rectifying separation of fluids containing (meth)acryl monomers

#31
20050161316
2005-07-28

Countercurrent stripping pipe

#32
20050090628
2005-04-28

Thermal separating process for removing at least one stream containing enriched (meth) acrylic monomers

#33
20050006219
2005-01-13

Thermal separating process for removing at least one stream containing enriched (meth)acrylic monomers