ClassID:

160518

F25J2270/08 - CPC Classification

Classification description:

Refrigeration techniques used Internal refrigeration by flash gas recovery loop

Recent Application in this class:
#1
20260049762
2026-02-19

SEMI-OPEN LOOP LIQUEFACTION PROCESS

#2
20250327618
2025-10-23

ETHANE RECOVERY SYSTEM SUITABLE FOR RICH GAS WITH HIGH CARBON DIOXIDE CONTENT AND RECOVERY METHOD THEREFOR

#3
20250264273
2025-08-21

PHASE IMPLEMENTATION OF NATURAL GAS LIQUID RECOVERY PLANTS

#4
20240393039
2024-11-28

SYSTEM AND PROCESS FOR NATURAL GAS LIQUEFACTION

#5
20240125544
2024-04-18

Semi-Open Loop Liquefaction Process

#6
20240125543
2024-04-18

Reverse Brayton LNG production process

#7
20230120031
2023-04-20

INTEGRATED PROCESS AND CATALYSTS FOR MANUFACTURING HYDROGEN IODIDE FROM HYDROGEN AND IODINE

#8
20230003443
2023-01-05

Arctic cascade method for natural gas liquefaction in a high-pressure cycle with pre-cooling by ethane and sub-cooling by nitrogen, and a plant for its implementation

#9
20220268517
2022-08-25

Systems and Methods for Improving the Efficiency of Open-Cycle Cascade-Based Liquified Natural Gas Systems

#10
20220152552
2022-05-19

METHOD FOR PURIFYING BIOGAS THROUGH MEMBRANES AT NEGATIVE TEMPERATURES

#11
20210381760
2021-12-09

Phase implementation of natural gas liquid recovery plants

#12
20210254891
2021-08-19

METHOD FOR AN IMPROVED PARTIAL CONDENSATION CARBON MONOXIDE COLD BOX OPERATION

#13
20210140707
2021-05-13

Arctic cascade method for natural gas liquefaction in a high-pressure cycle with pre-cooling by ethane and sub-cooling by nitrogen, and a plant for its implementation

#14
20200331753
2020-10-22

Integrated process and catalysts for manufacturing hydrogen iodide from hydrogen and iodine

#15
20200208910
2020-07-02

Apparatus for liquefying natural gas and method for liquefying natural gas

#16
20190346203
2019-11-14

Modularized LNG separation device and flash gas heat exchanger

#17
20190285340
2019-09-19

Method and system for liquefaction of natural gas using liquid nitrogen

#18
20190120550
2019-04-25

Phase implementation of natural gas liquid recovery plants

#19
20190046921
2019-02-14

Method of preparing natural gas at a gas pressure reduction stations to produce liquid natural gas (LNG)

#20
20180347899
2018-12-06

Hydrocarbon gas processing

#21
20180347898
2018-12-06

Hydrocarbon gas processing

#22
20180335254
2018-11-22

Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream

#23
20180265795
2018-09-20

Method of preparing natural gas to produce liquid natural gas (LNG)

#24
20180259249
2018-09-13

Coproduction of liquefied natural gas and electric power with refrigeration recovery

#25
20180209729
2018-07-26

Circulating fluidized bed connected to a desublimating heat exchanger

#26
20170304769
2017-10-26

METHOD FOR PURIFYING BIOGAS THROUGH MEMBRANES AT NEGATIVE TEMPERATURES

#27
20170211882
2017-07-27

PRODUCTION OF AN AIR PRODUCT IN AN AIR SEPARATION PLANT WITH COLD STORAGE UNIT

#28
20170167786
2017-06-15

Pre-Cooling of Natural Gas by High Pressure Compression and Expansion

#29
20170122658
2017-05-04

Enhanced low temperature separation process

#30
20170038136
2017-02-09

METHOD FOR THE INTEGRATION OF A NITROGEN LIQUEFIER AND LIQUEFACTION OF NATURAL GAS FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS AND LIQUID NITROGEN

#31
20170038135
2017-02-09

METHOD FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS AND LIQUID NITROGEN

#32
20170038134
2017-02-09

METHOD FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS

#33
20170038133
2017-02-09

METHOD FOR THE INTEGRATION OF A NITROGEN LIQUEFIER AND LETDOWN OF NATURAL GAS FOR THE PRODUCTION OF LIQUID NITROGEN AND LOWER PRESSURE NATURAL GAS

#34
20170038132
2017-02-09

Methods and systems for integration of industrial site efficiency losses to produce LNG and/or LIN

#35
20170023293
2017-01-26

Configurations and methods for nitrogen rejection, LNG and NGL production from high nitrogen feed gases

#36
20160252298
2016-09-01

System and Method for the Production of Liquefied Natural Gas

#37
20140360226
2014-12-11

Module for treatment of carbon dioxide and treatment method thereof

#38
20120067081
2012-03-22

Process And Plant For Recovering Argon In A Separation Unit For A Purge Gas Used In The Synthesis Of Ammonia

#39
20100186445
2010-07-29

Natural gas liquefaction processes with feed gas refrigerant cooling loops

#40
20100055021
2010-03-04

Method and system for producing carbon monoxide by cryogenic distillation

#41
20100043489
2010-02-25

Method for separating a mixture of carbon monoxide, methane, hydrogen and optionally nitrogen by cryogenic distillation

#42
20090193846
2009-08-06

Recovery of Carbon Monoxide and Hydrogen From Hydrocarbon Streams

#43
20090117024
2009-05-07

Process for the Production of Hydrogen with Co-Production and Capture of Carbon Dioxide

#44
20070283719
2007-12-13

Air separation method

#45
20070260103
2007-11-08

Low pressure olefin recovery process

#46
20070079630
2007-04-12

Apparatus and method for condensing hydrocarbons from natural gas

#47
20070056319
2007-03-15

Process and installation for providing a fluid mixture containing at least 10% carbon monoxide

#48
20060254311
2006-11-16

Process and installation for supplying gaseous carbon monoxide and/or a gaseous mixture containing at least 10% carbon monoxide

#49
20060004242
2006-01-05

Low pressure olefin recovery process

#50
20050061029
2005-03-24

Process and apparatus for LNG enriching in methane

#51
18436588
2025-02-18

Fuel gas conditioning units for natural gas systems