F25J2200/10 - CPC Classification Index

ClassID:

160336 ⎘

F25J2200/10 - CPC Classification

Classification description:

Processes or apparatus using separation by rectification in a quadruple, or more, column or pressure system

Recent Application in this class:

20240310118

2024-09-19

SOLVENT INJECTION AND RECOVERY IN A LNG PLANT

20230251032

2023-08-10

Solvent injection and recovery in a LNG plant

20220228804

2022-07-21

METHOD AND SYSTEM FOR LOW-TEMPERATURE AIR SEPARATION

20200340741

2020-10-29

Solvent injection and recovery in a LNG plant

20190293348

2019-09-26

Nitrogen production method and nitrogen production apparatus

20190041128

2019-02-07

Recovery Of Helium From Nitrogen-Rich Streams

20170234612

2017-08-17

Treatment of nitrogen-rich natural gas streams

20160298900

2016-10-13

Process and apparatus for separating air by cryogenic distillation

20160245586

2016-08-25

Method and device for separating air by cryogenic distillation

#10

20160003537

2016-01-07

Air separation method and air separation apparatus

#11

20150114033

2015-04-30

Purification of carbon dioxide

#12

20150068247

2015-03-12

Distillation device

#13

20140223959

2014-08-14

Method and device for the cryogenic decomposition of air

#14

20130219959

2013-08-29

Process and apparatus for the separation of air by cryogenic distillation

#15

20130047666

2013-02-28

METHOD AND DEVICE FOR OBTAINING PRESSURIZED NITROGEN AND PRESSURIZED OXYGEN BY LOW-TEMPERATURE SEPARATION OF AIR

#16

20110146344

2011-06-23

Process and apparatus for the separation of air by cryogenic distillation

#17

20110146343

2011-06-23

Process and apparatus for the separation of air by cryogenic distillation