B01D3/4261 - CPC Classification Index

ClassID:

28474 ⎘

B01D3/4261 - CPC Classification

Classification description:

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

Recent Application in this class:

20210198166

2021-07-01

Method for producing a stream of propylene and associated facility

20200155961

2020-05-21

Distillation apparatus for NMP

20200030714

2020-01-30

Dividing wall column with vapor separation

20190299118

2019-10-03

Folded fractionation column and process

20190151769

2019-05-23

Process for producing acetic acid

20190047945

2019-02-14

Purifying method, production method, and distillation apparatus for acrylonitrile

20180178141

2018-06-28

Distillation method

20180104617

2018-04-19

SEMICONTINUOUS DIVIDED WALL DISTILLATION

20180009732

2018-01-11

Process for producing acetic acid

#10

20160138864

2016-05-19

Liquid collection system

#11

20160040929

2016-02-11

Column for thermal treatment of a fluid

#12

20130256115

2013-10-03

Heat integrated distillation apparatus

#13

20130220791

2013-08-29

Heat integrated distillation apparatus

#14

20120125761

2012-05-24

Heat integrated distillation apparatus

#15

20110250101

2011-10-13

Method and apparatus for making acetic acid with improved light ends column productivity

#16

20080287706

2008-11-20

Method and apparatus for making acetic acid with improved light ends column productivity

#17

20080251127

2008-10-16

Reflux divider for a column having portions for the transfer of material arranged in parallel

#18

20050040335

2005-02-24

Spectroscopic determination of concentration in rectification column