Patents-Review.com
ClassID:

28478 ⎘

B01D3/4283 - CPC Classification

Classification description:

Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping; Regulation; Control of columns Bottom stream

Recent Application in this class:
#1
20250020221
2025-01-16

SYSTEMS AND METHODS FOR PURGING AN ISOLATION VALVE WITH A LIQUID PURGE MEDIUM

 #2
20240350940
2024-10-24

DISTILLATION COLUMN MINIMUM FLOW ARRANGEMENT

 #3
20220204865
2022-06-30

Systems and methods for purging an isolation valve with a liquid purge medium

 #4
20220186129
2022-06-16

Method to mitigate fouling in a hydrocarbon plant

 #5
20210370197
2021-12-02

Distillation method with controlled energy supply

 #6
20210322892
2021-10-21

PURIFIED ETHANOL FROM FUEL ETHANOL PROCESS

 #7
20200094160
2020-03-26

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

 #8
20190299118
2019-10-03

Folded fractionation column and process

 #9
20190264115
2019-08-29

Method for treating a pyrolysis gasoline

 #10
20180257021
2018-09-13

COrecovery device and COrecovery method

 #11
20180170834
2018-06-21

REMOVAL OF FEED TREATMENT UNITS IN AROMATICS COMPLEX DESIGNS

 #12
20180093198
2018-04-05

Process to control HI concentration in residuum stream

 #13
20170121274
2017-05-04

Quality and color of ethanolamine product streams by reduced temperature at the triethanolamine column

 #14
20170100693
2017-04-13

COrecovery device and COrecovery method

 #15
20160221919
2016-08-04

Process to control HI concentration in residuum stream

 #16
20160221918
2016-08-04

Process to control HI concentration in residuum stream

 #17
20160221917
2016-08-04

Process to control HI concentration in residuum stream

 #18
20150129409
2015-05-14

System and method for recycling high-boiling-point waste photoresist stripper

 #19
20140262154
2014-09-18

Continuous process for providing superheated liquid to a vessel

 #20
20130037404
2013-02-14

Distillation process and multi-column heat-integrated distillation system

 #21
20110203915
2011-08-25

Solar distillation device

 #22
20100264014
2010-10-21

Process for the separation of a hydrocarbon-containing feed stream