C01B17/167 - CPC Classification Index

#1

20230056260

2023-02-23

ORGANIC AMMONIUM COMPOSITIONS AND METHODS OF THEIR USE AND MAKING

#2

20220242729

2022-08-04

Adsorption-based Claus tail gas treatment through regeneration temperature ramping

#3

20210309582

2021-10-07

Organic ammonium compositions and methods of their use and making

#4

20200360853

2020-11-19

Hydrogen sulfide-carbon dioxide membrane separation systems and processes

#5

20200048090

2020-02-13

Enriched acid gas for sulfur recovery

#6

20200023303

2020-01-23

Systems and methods for removing hydrogen sulfide from an ammonia stream

#7

20190358583

2019-11-28

Carbon dioxide and hydrogen sulfide recovery system using a combination of membranes and low temperature cryogenic separation processes

#8

20190240615

2019-08-08

Systems and methods for removing hydrogen sulfide from an ammonia stream

#9

20190055125

2019-02-21

Enriched acid gas for sulfur recovery

#10

20180179079

2018-06-28

Titanium-dioxide-based double-layer hollow material, preparation method thereof, and application thereof in photocatalytic treatment of hydrogen sulfide

#11

20180163021

2018-06-14

Hydrogen sulfide scavengers for polymer treated asphalt

#12

20170333832

2017-11-23

Systems and methods for removing hydrogen sulfide from an ammonia stream

#13

20170305817

2017-10-26

Separations with ionic liquid solvents

#14

20170157553

2017-06-08

Separating carbon dioxide and hydrogen sulfide from a natural gas stream using co-current contacting systems

#15

20170036163

2017-02-09

Systems and methods for improved sulfur recovery from claus process tail gas

#16

20170001148

2017-01-05

GAS SEPARATION MEMBRANE MODULE FOR REACTIVE GAS SERVICE

#17

20170001147

2017-01-05

GAS SEPARATION MEMBRANE MODULE FOR REACTIVE GAS SERVICE

#18

20160288049

2016-10-06

Reclaiming device, method, and recovery unit of CO, HS, or both of COand HS

#19

20160256825

2016-09-08

Reclaiming device, method, and recovery unit of CO, HS, or both of COand HS

#20

20160096784

2016-04-07

Separations with ionic liquid solvents

#21

20160009618

2016-01-14

Separation, storage, and catalytic conversion of fluids using ITQ-55

#22

20160009563

2016-01-14

Material ITQ-55, method for preparation and use

#23

20160008756

2016-01-14

Separation and storage of fluids using ITQ-55

#24

20160008754

2016-01-14

Separation and storage of fluids using ITQ-55

#25

20160008753

2016-01-14

Separation and storage of fluids using ITQ-55

#26

20150361364

2015-12-17

System and method for recovering gas containing COand HS

#27

20150361363

2015-12-17

System and method for recovering gas containing COand HS

#28

20150182945

2015-07-02

Dry-scrubbing media compositions and methods of production and use

#29

20150157975

2015-06-11

Absorbent composition for the selective absorption of hydrogen sulfide

#30

20150133711

2015-05-14

Separations with ionic liquid solvents

#31

20150114033

2015-04-30

Purification of carbon dioxide

#32

20150114032

2015-04-30

Purification of carbon dioxide

#33

20150030524

2015-01-29

Separations with ionic liquid solvents

#34

20140360368

2014-12-11

Method and device for separating hydrogen sulfide and hydrogen production system using the same

#35

20140224120

2014-08-14

Adsorbent

#36

20120312163

2012-12-13

Temperature swing adsorption process for the separation of target species from a gas mixture

#37

20120308456

2012-12-06

Selective sulfur removal process

#38

20120222555

2012-09-06

Gas purification process utilizing engineered small particle adsorbents

#39

20120222554

2012-09-06

Rapid temperature swing adsorption contactors for gas separation

#40

20120222553

2012-09-06

Pressure-temperature swing adsorption process

#41

20120222552

2012-09-06

Pressure-temperature swing adsorption process for the separation of heavy hydrocarbons from natural gas streams

#42

20120222551

2012-09-06

Swing adsorption processes utilizing controlled adsorption fronts

#43

20120118012

2012-05-17

SEPARATION OF GASES

#44

20120118010

2012-05-17

Separation of carbon dioxide and hydrogen

#45

20110278152

2011-11-17

Process and plant for recovering NHfrom a mixture comprising NHand acid gases

#46

20110266135

2011-11-03

Sulfur degassing process

#47

20110195004

2011-08-11

Method for the separation of sour gas

#48

20110008229

2011-01-13

Sulfur recovery plant tail gas treatment process

#49

20100303700

2010-12-02

PROCESS FOR TREATING A GAS STREAM OR EFFLUENT

#50

20100284879

2010-11-11

Treatments of tail gas from a claus unit over an optimized sequence of catalysts

#51

20100163401

2010-07-01

Sulfur degassing process

#52

20100101416

2010-04-29

Method and device for removing COand HS

#53

20090308248

2009-12-17

Absorbent composition containing molecules with a hindered amine and a metal sulfonate, phosphonate or carboxylate structure for acid gas scrubbing process

#54

20090246107

2009-10-01

Dry-scrubbing media compositions and methods of production and use

#55

20090217817

2009-09-03

Polyalkyleneacrylamide salt for acid gas scrubbing process

#56

20080226525

2008-09-18

Method for creating a gas-liquid contact area

#57

20080187485

2008-08-07

Method of extracting the hydrogen sulfide contained in a hydrocarbon gas

#58

20080107581

2008-05-08

Methods for removing sulfur-containing compounds

#59

20080038184

2008-02-14

Process and apparatus for the production of sulphur oxides

#60

20080019899

2008-01-24

Methods and configurations for acid gas enrichment

#61

20070131112

2007-06-14

Method for removing hydrogen sulphide and other acidic gas components from pressurized technical gases

#62

20050265913

2005-12-01

Process for the conversion of polysulfanes

#63

16545742

2020-05-26

Two-stage adsorption process for Claus tail gas treatment