ClassID:

84523

C01B17/0447 - CPC Classification

Classification description:

Sulfur; Compounds thereof; Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process Separation of the obtained sulfur

Recent Application in this class:
#1
20260078001
2026-03-19

SYSTEMS, METHODS, AND TECHNIQUES FOR PROCESSING HYDROGEN SULFIDE

#2
20250122437
2025-04-17

System and Method for Removing Hydrogen Sulfide From Sour Natural Gas

#3
20250091864
2025-03-20

PRODUCING HYDROGEN FROM HYDROGEN SULFIDE

#4
20230183066
2023-06-15

Adsorption-based Claus tail gas treatment

#5
20220234891
2022-07-28

Method for production of elemental sulfur by part or fully catalytic oxidation of Claus tail gas

#6
20220227625
2022-07-21

METHOD FOR PRODUCTION OF ELEMENTAL SULFUR AND SULFURIC ACID

#7
20220177307
2022-06-09

Method for production of sulfur and sulfuric acid

#8
20220177306
2022-06-09

Revamping of a claus plant with a sulfuric acid plan

#9
20220062818
2022-03-03

Membrane process for H2 recovery from sulfur recovery tail gas stream of sulfur recovery units and process for environmentally greener sales gas

#10
20210086131
2021-03-25

Removal of acid gases from a gas stream, with O2 enrichment for acid gas capture and sequestration

#11
20200317519
2020-10-08

Method for production of sulfur and sulfuric acid

#12
20200277186
2020-09-03

Thermal stage and reduction absorption sulfur recovery process

#13
20200239310
2020-07-30

System for hydrogen sulfide destruction and sulfur recovery

#14
20200207622
2020-07-02

Plant and process for treating a stream comprising hydrogen sulfide

#15
20190262773
2019-08-29

Claus unit treatment of shutdown tail gas

#16
20190016598
2019-01-17

Enhancement of claus tail gas treatment by sulfur dioxide-selective membrane technology and sulfur dioxide-selective absorption technology

#17
20190010052
2019-01-10

Enhancement of claus tail gas treatment by sulfur dioxide-selective membrane technology

#18
20180257936
2018-09-13

Enhancement of claus tail gas treatment by sulfur dioxide-selective membrane technology and sulfur dioxide-selective absorption technology

#19
20180257935
2018-09-13

Enhancement of Claus tail gas treatment by sulfur dioxide-selective membrane technology

#20
20180008930
2018-01-11

Removal of hydrogen sulfide and sulfur recovery from a gas stream by catalytic direct oxidation and claus reaction

#21
20170274324
2017-09-28

Claus unit treatment of shutdown tail gas

#22
20170216812
2017-08-03

Integrated process to recover high quality native COfrom a sour gas comprising HS and CO

#23
20170173527
2017-06-22

THERMAL STAGE AND REDUCTION ABSORPTION SULFUR RECOVERY PROCESS

#24
20170088421
2017-03-30

Superdegas—a process of integrating sulfur collection and degassing for zero emission

#25
20160167964
2016-06-16

Treatment of gases

#26
20150376008
2015-12-31

Process for degassing condensed sulfur from a claus sulfur recovery system

#27
20150376007
2015-12-31

Process for degassing condensed sulfur from a Claus sulfur recovery system

#28
20150291421
2015-10-15

Generating elemental sulfur

#29
20150078984
2015-03-19

METHOD FOR CONTROLLING THE TEMPERATURE IN THE COMBUSTION FURNACE OF A CLAUS UNIT

#30
20140377165
2014-12-25

Process for degassing condensed sulfur from a claus sulfur recovery system

#31
20140377164
2014-12-25

Process for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery

#32
20140377155
2014-12-25

Process for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from claus sulfur recovery

#33
20140374070
2014-12-25

Apparatus for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery

#34
20140374069
2014-12-25

Apparatus for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery

#35
20140294719
2014-10-02

Sulfur removal methods

#36
20140017162
2014-01-16

Sulfur recovery unit and sulfur recovery method

#37
20130011330
2013-01-10

Device and method for condensing, separating, and storing liquid sulfur in a Claus plant

#38
20090220402
2009-09-03

Sulfur recovery plant

#39
20080050306
2008-02-28

Increased capacity sulfur recovery plant and process for recovering elemental sulfur

#40
20050235926
2005-10-27

Waste-heat boiler for a Clause plant

#41
17838002
2023-10-03

Sulfur recovery unit oxidation air management during SuperClaus to Claus switching

#42
17527753
2022-12-20

Methods and systems of sub-dew point sulfur recovery with interstage membrane units