Hydrogen sulfide

Industry

CPC
B01D53/52

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B01Physical, chemical processing B01DSEPARATION B01D53/00Separation of gases or vapours Recovering vapours of volatile solvents from gases Chemical or biological purification of waste gases

Current Industry

B01D53/52Hydrogen sulfide

Industries

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Patents Grantslast 30 patents

Information Patent Grant
System and method for recovery of fuel gas from crude oil purification
- Patent number 12,344,806
- Issue date Jul 1, 2025
- Air Liquide Advanced Technologies U.S. LLC
- Sandeep Karode
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Resin substrate-based iron oxyhydroxide desulfurizing agent and pre...
- Patent number 12,330,132
- Issue date Jun 17, 2025
- MINGSHUO ENVIRONMENT TECHNOLOGY GROUP CO., LTD.
- Jianming Shi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and system for maintaining solvent quality in gas treating s...
- Patent number 12,330,113
- Issue date Jun 17, 2025
- Saudi Arabian Oil Company
- Abdulaziz A. Aldayini
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Acid gas scrubbing methods featuring amine phase separation for hyd...
- Patent number 12,325,004
- Issue date Jun 10, 2025
- ExxonMobil Technology and Engineering Company
- Carla S. Pereira
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and system for producing a fuel from biogas
- Patent number 12,312,547
- Issue date May 27, 2025
- Iogen Corporation
- Patrick J. Foody
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Systems and methods for ammonia purification
- Patent number 12,312,248
- Issue date May 27, 2025
- BECHTEL ENERGY TECHNOLOGIES & SOLUTIONS, INC.
- Charles Kimtantas
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for removing acid compounds from a gaseous effluent using a...
- Patent number 12,305,136
- Issue date May 20, 2025
- IFP Energies Nouvelles
- Julien Grandjean
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Stabilized concentrated formaldehyde solutions and methods of use t...
- Patent number 12,305,125
- Issue date May 20, 2025
- BL Technologies, Inc.
- Gregory Kaplan
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Amine absorber configuration
- Patent number 12,285,718
- Issue date Apr 29, 2025
- Saudi Arabian Oil Company
- Saleh H. Al-Ofi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
System and method for cleaning of biogas
- Patent number 12,281,273
- Issue date Apr 22, 2025
- Unconventional Gas Solutions, LLC
- Benjamin Bikson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Scale deposition inhibiting scavenger compositions and their use
- Patent number 12,275,889
- Issue date Apr 15, 2025
- Cameron International Corporation
- James A. McRae
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process and material for removing hydrogen sulfide from subterranea...
- Patent number 12,275,892
- Issue date Apr 15, 2025
- King Fahd University of Petroleum & Minerals
- Sagheer A. Onaizi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of removing hydrogen sulfide from a subterranean geological...
- Patent number 12,270,266
- Issue date Apr 8, 2025
- King Fahd University of Petroleum & Minerals
- Sagheer A. Onaizi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
System and method for cleaning of biogas
- Patent number 12,264,288
- Issue date Apr 1, 2025
- Unconventional Gas Solutions, LLC
- Benjamin Bikson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Continuous desulfurization process based on metal oxide-based regen...
- Patent number 12,258,527
- Issue date Mar 25, 2025
- Raghubir Prasad Gupta
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Methods and apparatus for recycling tail gas in syngas fermentation...
- Patent number 12,239,939
- Issue date Mar 4, 2025
- LanzaTech, Inc.
- John D Winter
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method and system for producing a fuel from biogas
- Patent number 12,241,036
- Issue date Mar 4, 2025
- Iogen Corporation
- Patrick J. Foody
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Hydrogen sulfide mitigation methods and systems
- Patent number 12,226,714
- Issue date Feb 18, 2025
- Viro Petroleum & Energy, LLC
- Robert D. Allison
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Nutrient recovery systems and methods
- Patent number 12,209,026
- Issue date Jan 28, 2025
- DVO, Inc.
- Quanbao Zhao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for underground separation of components in sulfur-containin...
- Patent number 12,203,346
- Issue date Jan 21, 2025
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Fuzhen Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for removing hydrogen sulfide from subterranean geological...
- Patent number 12,195,669
- Issue date Jan 14, 2025
- King Fahd University of Petroleum & Minerals
- Sagheer A. Onaizi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for removal of sulfides from carbon monoxide rich gas strea...
- Patent number 12,195,341
- Issue date Jan 14, 2025
- SABIC GLOBAL TECHNOLOGIES B.V.
- Pankaj Singh Gautam
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Aqueous solutions and methods of using same for remediating contami...
- Patent number 12,187,972
- Issue date Jan 7, 2025
- GAPS Technology, LLC.
- Cliffton L. Roe
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for treating offgas from hydrotreating of renewable feedstocks
- Patent number 12,180,426
- Issue date Dec 31, 2024
- Andries Hendrik Janssen
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for removing hydrogen sulfide from sour gases with layered...
- Patent number 12,172,126
- Issue date Dec 24, 2024
- King Fahd University of Petroleum & Minerals
- Sagheer A. Onaizi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Amine liquid seal in a flare system
- Patent number 12,157,086
- Issue date Dec 3, 2024
- KUWAIT NATIONAL PETROLEUM COMPANY
- Kanagasabai Rathinasabapathi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Heterogeneous catalyst for hydrocarbon sweetening
- Patent number 12,145,103
- Issue date Nov 19, 2024
- King Fahd University of Petroleum & Minerals
- Sagheer A. Onaizi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Composite amine absorbent, removal unit, and removal method
- Patent number 12,138,584
- Issue date Nov 12, 2024
- Mitsubishi Heavy Industries, Ltd.
- Hiroshi Tanaka
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Solid/liquid desulfurization catalyst for hydrocarbon purification
- Patent number 12,134,073
- Issue date Nov 5, 2024
- King Fahd University of Petroleum & Minerals
- Sagheer A. Onaizi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Solid liquid catalyst composition for hydrogen desulfurization
- Patent number 12,134,074
- Issue date Nov 5, 2024
- King Fahd University of Petroleum & Minerals
- Sagheer A. Onaizi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Coupling Claus Process with Carbon Dioxide Capture Using Gas Hydrate
- Publication number 20250236520
- Publication date Jul 24, 2025
- Saudi Arabian Oil Company
- Pramod Dhanaji Patil
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SIMULTANEOUS H2 PRODUCTION AND CO2 CAPTURE FROM ACID GAS STREAM
- Publication number 20250222396
- Publication date Jul 10, 2025
- Saudi Arabian Oil Company
- Mohammad Saad AlQahtani
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR STABILIZING NUTRIENTS IN A DISCHARGED ANAEROBIC DIGESTATE
- Publication number 20250222400
- Publication date Jul 10, 2025
- ThioSolv, LLC
- Michael J. Ray
- C01 - INORGANIC CHEMISTRY
Information Patent Application
A method for purifying sulphate containing wastewater and recoverin...
- Publication number 20250197263
- Publication date Jun 19, 2025
- Fortum Waste Solutions Oy
- Karin Willquist
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
High efficiency utilization of heat in CO2 stripper
- Publication number 20250177922
- Publication date Jun 5, 2025
- Eli Gal
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
RESIN SUBSTRATE-BASED IRON OXYHYDROXIDE DESULFURIZING AGENT AND PRE...
- Publication number 20250177949
- Publication date Jun 5, 2025
- MINGSHUO ENVIRONMENT TECHNOLOGY GROUP CO., LTD.
- Jianming Shi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HYDROGEN SULFIDE PURIFICATION METHOD AND LITHIUM SULFIDE PRODUCTION...
- Publication number 20250178897
- Publication date Jun 5, 2025
- AGC Inc.
- Ryota ANDO
- C01 - INORGANIC CHEMISTRY
Information Patent Application
NUTRIENT RECOVERY SYSTEMS AND METHODS
- Publication number 20250171324
- Publication date May 29, 2025
- Quanbao Zhao
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
AQUEOUS SOLUTIONS AND METHODS OF USING SAME FOR REMEDIATING CONTAMI...
- Publication number 20250145902
- Publication date May 8, 2025
- GAPS Technology,LLC
- Cliffton L. ROE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ADSORBENT AND METHOD FOR PRODUCING ADSORBENT
- Publication number 20250135433
- Publication date May 1, 2025
- DAIKIN INDUSTRIES, LTD.
- Takuya MATSUOKA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
System and Method of Treatment of Gas Contaminated with Hydrogen Su...
- Publication number 20250108328
- Publication date Apr 3, 2025
- Streamline Innovations Inc
- Peter J. Photos
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Systems and Methods for Ammonia Purification
- Publication number 20250109029
- Publication date Apr 3, 2025
- Bechtel Energy Technologies & Solutions, Inc.
- Charles Kimtantas
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SYSTEM AND METHOD FOR PURIFICATION OF GASSES SUCH AS FUEL GASSES
- Publication number 20250101606
- Publication date Mar 27, 2025
- Danmarks Tekniske Universitet
- Sebastian Nis Bay Villadsen
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD AND SYSTEM FOR PRODUCING A FUEL FROM BIOGAS
- Publication number 20250084334
- Publication date Mar 13, 2025
- Iogen Corporation
- Patrick J. Foody
- C01 - INORGANIC CHEMISTRY
Information Patent Application
A SYSTEM AND METHOD FOR REMOVING ACIDIC GAS FROM A POST COMBUSTION...
- Publication number 20250073632
- Publication date Mar 6, 2025
- Petroliam Nasional Berhad (Petronas)
- Siti Hajar Bt KHALIT
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Method and System for Removing Acid Gas from Ethylene Cracking Gas
- Publication number 20250065257
- Publication date Feb 27, 2025
- Petrochina Company Limited
- Yingwen Li
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
VERSATILE SCRUBBING LIQUID FOR REMOVAL OF CONTAMINANTS FROM A GASEO...
- Publication number 20250041798
- Publication date Feb 6, 2025
- CLAIRION LTD.
- Revital MALI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Gas Treatment Unit, Redox System and Method for Desulfurization of...
- Publication number 20250041795
- Publication date Feb 6, 2025
- Streamline Innovations Inc
- Peter J. Photos
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Treatment System
- Publication number 20250002801
- Publication date Jan 2, 2025
- CF Vessel LLC
- Colby Friday
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Treatment System
- Publication number 20240417640
- Publication date Dec 19, 2024
- CF Vessel LLC
- Colby Friday
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SOFT SENSING ALKANOLAMINE CONCENTRATION FOR INTELLIGENT CIRCULATION...
- Publication number 20240399287
- Publication date Dec 5, 2024
- Saudi Arabian Oil Company
- Hasan M. Alshafei
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARB...
- Publication number 20240399301
- Publication date Dec 5, 2024
- JDS Chemicals, LLC
- Robert Scott Decker
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Gas Capture System Comprising a Heat Pump Using a Liquid Sorbent Wi...
- Publication number 20240399290
- Publication date Dec 5, 2024
- SINTEF TTO AS
- Abdelghafour Zaabout
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARB...
- Publication number 20240399305
- Publication date Dec 5, 2024
- JDS Chemicals, LLC
- Robert Scott Decker
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARB...
- Publication number 20240400924
- Publication date Dec 5, 2024
- JDS Chemicals, LLC
- Robert Scott Decker
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SOLID/LIQUID DESULFURIZATION CATALYST FOR HYDROCARBON PURIFICATION
- Publication number 20240367105
- Publication date Nov 7, 2024
- KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
- Sagheer A. ONAIZI
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Sweetener with Mixed Acetal(s) and Oxidation Inhibitor(s)
- Publication number 20240367092
- Publication date Nov 7, 2024
- Foremark Performance Chemicals
- Jonathan R. Bingham
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
TERTIARY ALKANOLAMINE FOR GAS TREATING
- Publication number 20240367095
- Publication date Nov 7, 2024
- DOW GLOBAL TECHNOLOGIES LLC
- John R. Dowdle
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
HETEROGENEOUS CATALYST FOR HYDROCARBON SWEETENING
- Publication number 20240367106
- Publication date Nov 7, 2024
- KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
- Sagheer A. ONAIZI
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
SOLID LIQUID CATALYST COMPOSITION FOR HYDROGEN DESULFURIZATION
- Publication number 20240367107
- Publication date Nov 7, 2024
- KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
- Sagheer A. ONAIZI
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Hydrogen sulfide

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System and method for recovery of fuel gas from crude oil purification

Resin substrate-based iron oxyhydroxide desulfurizing agent and pre...

Method and system for maintaining solvent quality in gas treating s...

Acid gas scrubbing methods featuring amine phase separation for hyd...

Method and system for producing a fuel from biogas

Systems and methods for ammonia purification

Method for removing acid compounds from a gaseous effluent using a...

Stabilized concentrated formaldehyde solutions and methods of use t...

Amine absorber configuration

System and method for cleaning of biogas

Scale deposition inhibiting scavenger compositions and their use

Process and material for removing hydrogen sulfide from subterranea...

Method of removing hydrogen sulfide from a subterranean geological...

System and method for cleaning of biogas

Continuous desulfurization process based on metal oxide-based regen...

Methods and apparatus for recycling tail gas in syngas fermentation...

Method and system for producing a fuel from biogas

Hydrogen sulfide mitigation methods and systems

Nutrient recovery systems and methods

Method for underground separation of components in sulfur-containin...

Process for removing hydrogen sulfide from subterranean geological...

Process for removal of sulfides from carbon monoxide rich gas strea...

Aqueous solutions and methods of using same for remediating contami...

Process for treating offgas from hydrotreating of renewable feedstocks

Process for removing hydrogen sulfide from sour gases with layered...

Amine liquid seal in a flare system

Heterogeneous catalyst for hydrocarbon sweetening

Composite amine absorbent, removal unit, and removal method

Solid/liquid desulfurization catalyst for hydrocarbon purification

Solid liquid catalyst composition for hydrogen desulfurization

Patents Applicationslast 30 patents

Coupling Claus Process with Carbon Dioxide Capture Using Gas Hydrate

SIMULTANEOUS H2 PRODUCTION AND CO2 CAPTURE FROM ACID GAS STREAM

PROCESS FOR STABILIZING NUTRIENTS IN A DISCHARGED ANAEROBIC DIGESTATE

A method for purifying sulphate containing wastewater and recoverin...

High efficiency utilization of heat in CO2 stripper

RESIN SUBSTRATE-BASED IRON OXYHYDROXIDE DESULFURIZING AGENT AND PRE...

HYDROGEN SULFIDE PURIFICATION METHOD AND LITHIUM SULFIDE PRODUCTION...

NUTRIENT RECOVERY SYSTEMS AND METHODS

AQUEOUS SOLUTIONS AND METHODS OF USING SAME FOR REMEDIATING CONTAMI...

ADSORBENT AND METHOD FOR PRODUCING ADSORBENT

System and Method of Treatment of Gas Contaminated with Hydrogen Su...

Systems and Methods for Ammonia Purification

SYSTEM AND METHOD FOR PURIFICATION OF GASSES SUCH AS FUEL GASSES

METHOD AND SYSTEM FOR PRODUCING A FUEL FROM BIOGAS

A SYSTEM AND METHOD FOR REMOVING ACIDIC GAS FROM A POST COMBUSTION...

Method and System for Removing Acid Gas from Ethylene Cracking Gas

VERSATILE SCRUBBING LIQUID FOR REMOVAL OF CONTAMINANTS FROM A GASEO...

Gas Treatment Unit, Redox System and Method for Desulfurization of...

Treatment System

Treatment System

SOFT SENSING ALKANOLAMINE CONCENTRATION FOR INTELLIGENT CIRCULATION...

OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARB...

Gas Capture System Comprising a Heat Pump Using a Liquid Sorbent Wi...

OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARB...

OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARB...

SOLID/LIQUID DESULFURIZATION CATALYST FOR HYDROCARBON PURIFICATION

Sweetener with Mixed Acetal(s) and Oxidation Inhibitor(s)

TERTIARY ALKANOLAMINE FOR GAS TREATING

HETEROGENEOUS CATALYST FOR HYDROCARBON SWEETENING

SOLID LIQUID CATALYST COMPOSITION FOR HYDROGEN DESULFURIZATION