ClassID:

106430

C10L2290/545 - CPC Classification

Classification description:

Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units; Specific separation steps for separating fractions, components or impurities during preparation or upgrading of a fuel Washing, scrubbing, stripping, scavenging for separating fractions, components or impurities during preparation or upgrading of a fuel

Recent Application in this class:
#1
20250333661
2025-10-30

SOLID BIOMASS FUEL ANTI-COKING ADDITIVE

#2
20250179383
2025-06-05

INTELLIGENT COAL GANGUE WASHING METHOD GUIDED BY DEEP REINFORCEMENT LEARNING AND EVOLUTIONARY COMPUTATION

#3
20250145902
2025-05-08

AQUEOUS SOLUTIONS AND METHODS OF USING SAME FOR REMEDIATING CONTAMINANTS IN CONTAMINATED GASSES

#4
20250122437
2025-04-17

System and Method for Removing Hydrogen Sulfide From Sour Natural Gas

#5
20250051649
2025-02-13

PROCESSES AND SYSTEMS FOR PRODUCING HYDROCARBON FUELS HAVING HIGH CARBON CONVERSION EFFICIENCY

#6
20250019608
2025-01-16

CAUSTIC SCRUBBING SOLUTION FOR REMOVAL OF HYDROGEN SULFIDE, ACID GAS, AND CARBON DIOXIDE FROM NATURAL GAS AND METHODS FOR SAME

#7
20250002801
2025-01-02

Treatment System

#8
20240417640
2024-12-19

Treatment System

#9
20240417639
2024-12-19

Apparatus and Process for Removal of Heavy Hydrocarbons from a Feed Gas

#10
20240400925
2024-12-05

OXIDIZING COMPOSITIONS FOR REMOVING SULFUR COMPOUNDS FROM HYDROCARBON FUELS AND WASTEWATER

#11
20240384192
2024-11-21

PROCESS AND APPARATUS FOR REMOVING OXYGENATES FROM LIQUEFIED PETROLEUM GAS

#12
20240328934
2024-10-03

MEASUREMENT OF IRON IN GLYCOL AND AMINE IN NATURAL GAS PROCESSING

#13
20240228898
2024-07-11

Compositions and Methods for Scavenging Hydrogen Sulfide

#14
20240228897
2024-07-11

Compositions and Methods for Scavenging Hydrogen Sulfide

#15
20240141246
2024-05-02

Treatment System

#16
20240141245
2024-05-02

Treatment system

#17
20240139679
2024-05-02

Treatment System

#18
20240132794
2024-04-25

Enhancing H2S specification in NGL products

#19
20240067887
2024-02-29

CHEMICAL COMPOSITIONS AND METHODS OF USING SAME FOR REMEDIATING SULFUR-CONTAINING COMPOSITIONS AND OTHER CONTAMINANTS IN FLUIDS

#20
20240052253
2024-02-15

SYSTEMS AND METHODS FOR BIOCARBON PRODUCTION

#21
20230374403
2023-11-23

SYSTEM FOR WASHING BIOLOGICAL WASTE TO RECOVER SAME AS SOLID BIOFUEL

#22
20230365881
2023-11-16

PRETREATMENT DESULFURIZATION SYSTEM FOR REDUCING SULFUR CONTENT OF COAL BY IMMERSING COAL IN CATALYST

#23
20230357659
2023-11-09

Compositions and methods for scavenging hydrogen sulfide

#24
20230347281
2023-11-02

NATURAL GAS SWEETENING METHODS AND RELATED SYSTEMS

#25
20230303938
2023-09-28

SYSTEM FOR WASHING BIOLOGICAL WASTE TO RECOVER SAME AS SOLID BIOFUEL

#26
20230278874
2023-09-07

CARBONIZED UPGRADED COAL, GRAPHITE, AND METHODS OF MAKING THE SAME

#27
20230167374
2023-06-01

HYDROGEN SULPHIDE AND MERCAPTANS SCAVENGING COMPOSITIONS

#28
20230119589
2023-04-20

Processes and systems for producing hydrocarbon fuels having high carbon conversion efficiency

#29
20230088039
2023-03-23

SYSTEM AND METHOD FOR REMOVING HYDROGEN SULFIDE FROM GAS

#30
20230072750
2023-03-09

Carbon dioxide recycle stream processing with ethylene glycol dehydrating in an enhanced oil recovery process

#31
20230052296
2023-02-16

Production of fuel products from waste rubber material

#32
20220411701
2022-12-29

CHEMICAL COMPOSITIONS AND METHODS OF USING SAME FOR REMEDIATING SULFUR-CONTAINING COMPOSITIONS AND OTHER CONTAMINANTS IN FLUIDS

#33
20220325196
2022-10-13

Purine treatment method for the production of a product with a high calorific value

#34
20220298424
2022-09-22

Multistage thermolysis method for safe and efficient conversion of e-waste materials

#35
20220177793
2022-06-09

Process and plant for removing thiols from synthesis gas

#36
20220169937
2022-06-02

TREATMENT OF BIOMASS WITH VINASSE

#37
20220154080
2022-05-19

System for recovering natural gas liquid from low pressure source at low temperatures

#38
20220153662
2022-05-19

Method for the purification of alkanes

#39
20220152549
2022-05-19

Amine absorber configuration

#40
20220049170
2022-02-17

APPARATUS FOR TREATING WASTE MATERIAL AND A PRODUCT GAS

#41
20220033722
2022-02-03

Renewable transportation fuel process with thermal oxidation system

#42
20220017833
2022-01-20

Methods and Compositions for Scavenging Sulfides from Hydrocarbon Fluids and Aqueous Streams

#43
20220010220
2022-01-13

Process for hydroprocessing of biological feedstocks

#44
20210403822
2021-12-30

Process for purifying a crude gas stream containing sulfur components and hydrocarbons

#45
20210395617
2021-12-23

Hydrogen sulphide and mercaptans scavenging compositions

#46
20210347640
2021-11-11

Method for removing ash from solid carbonaceous material

#47
20210238109
2021-08-05

System and method for reprocessing animal bedding

#48
20210198702
2021-07-01

Process for producing fuel using two fermentations

#49
20210087486
2021-03-25

Process for beneficiating and cleaning biomass

#50
20210071086
2021-03-11

Multistage thermolysis method for safe and efficient conversion of e-waste materials

#51
20210032548
2021-02-04

Composition for removing sulfur-containing compounds

#52
20210009913
2021-01-14

Process for hydrogen sulfide scrubbing and method for ferric ion regeneration

#53
20200360934
2020-11-19

Controlling flow of black powder in hydrocarbon pipelines

#54
20200360933
2020-11-19

Controlling flow of black powder in hydrocarbon pipelines

#55
20200360932
2020-11-19

Controlling flow of black powder in hydrocarbon pipelines

#56
20200254379
2020-08-13

Glycol drying system and method for glycol drying

#57
20200231513
2020-07-23

System and method for reprocessing animal bedding

#58
20200199471
2020-06-25

Method for reducing the content of saturated monoglycerides in a raw biodiesel

#59
20200191477
2020-06-18

Heavy hydrocarbon and BTEX removal from pipeline gas to LNG liquefaction

#60
20200140901
2020-05-07

Process for using biogenic carbon dioxide derived from non-fossil organic material

#61
20200109335
2020-04-09

Chemical process for sulfur reduction of hydrocarbons

#62
20200031759
2020-01-30

Preparation of new stable hydrogen sulfide scavengers useful in both water as well as oil medium applications

#63
20200024526
2020-01-23

Functionalized aldehydes as HS and mercaptan scavengers

#64
20190388829
2019-12-26

Absorbent for selective removal of hydrogen sulfide from a fluid stream

#65
20190375993
2019-12-12

OIL SOLUBLE SULFIDE SCAVENGERS WITH LOW SALT CORROSION AND METHODS OF MAKING AND USING THESE SCAVENGERS

#66
20190301795
2019-10-03

Integration methods of gas processing plant and nitrogen rejection unit for high nitrogen feed gases

#67
20190263727
2019-08-29

System and method for reprocessing animal bedding

#68
20190225891
2019-07-25

SYSTEM FOR RECOVERING NATURAL GAS LIQUID FROM LOW PRESSURE SOURCE

#69
20190211278
2019-07-11

Development of a novel high temperature stable scavenger for removal of hydrogen sulfide

#70
20190203134
2019-07-04

Method for manufacturing biomass based fuel configured to reduce a chemical and/or mechanical effect of flue gas on heat transfer surfaces

#71
20190153346
2019-05-23

Biomass fuel manufacturing plant, manufacturing plant system, and biomass fuel manufacturing method

#72
20190151911
2019-05-23

Method and apparatus for producing a product

#73
20190144896
2019-05-16

Process for producing fuel using two fermentations

#74
20190144895
2019-05-16

Process for producing fuel using three fermentations

#75
20190126201
2019-05-02

Method for the removal of oxygen from an industrial gas

#76
20190126199
2019-05-02

Process for the purifying of a raw gas stream containing mainly C1-C5 hydrocarbons and carbon dioxide, and impurities of organic and inorganic sulfur compounds, halogenated and non-halogenated volatile organic compounds and oxygen

#77
20190126193
2019-05-02

Premix for producing an absorption agent for removing acid gases from a fluid flow

#78
20190118136
2019-04-25

Composition and process for the dehydration of gases

#79
20190106643
2019-04-11

PURINE TREATMENT METHOD FOR THE PRODUCTION OF A PRODUCT WITH A HIGH CALORIFIC VALUE

#80
20190054416
2019-02-21

Integration of cold solvent and acid gas removal

#81
20190046921
2019-02-14

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

#82
20190039013
2019-02-07

Method for separating C5-C8 hydrocarbons and acid gases from a fluid stream

#83
20190016966
2019-01-17

Hydrogen sulfide scavengers

#84
20190010414
2019-01-10

METHODOLOGY FOR TREATING BIOMASS, COAL, MSW/ANY KIND OF WASTES AND SLUDGES FROM SEWAGE TREATMENT PLANTS TO PRODUCE CLEAN/UPGRADED MATERIALS FOR THE PRODUCTION OF HYDROGEN, ENERGY AND LIQUID FUELS-CHEMICALS

#85
20190010403
2019-01-10

Hydrogen sulfide scavenging additive composition and method of use thereof

#86
20190002781
2019-01-03

MEANS OF PROCESSING BIOMASS FOR USE IN INTERNAL COMBUSTION ENGINES

#87
20190002768
2019-01-03

Nitrogen based hydrogen sulfide scavengers and method of use thereof

#88
20180361307
2018-12-20

Fractionation system using compact co-current contacting systems

#89
20180334630
2018-11-22

Process for beneficiating and cleaning biomass to form engineered soil

#90
20180334629
2018-11-22

Process for beneficiating and cleaning biomass

#91
20180296977
2018-10-18

Integrated system for wet desulfurization using a suspension bed and regeneration

#92
20180291284
2018-10-11

MICROPARTICLES FOR CAPTURING MERCAPTANS

#93
20180280827
2018-10-04

Process and apparatus for recovering light hydrocarbons by sponge absorption

#94
20180265795
2018-09-20

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

#95
20180222847
2018-08-09

Diamine having tert-alkylamino group and primary amino group for use in gas scrubbing

#96
20180221811
2018-08-09

Absorbent for selective removal of hydrogen sulfide from a fluid stream

#97
20180216013
2018-08-02

Functionalized aldehydes as HS and mercaptan scavengers

#98
20180195017
2018-07-12

PROCESSED BIOCHAR PELLETS FROM BENEFICIATED ORGANIC-CARBON-CONTAINING FEEDSTOCK

#99
20180187113
2018-07-05

Process of Producing Aggregates of Cleaned Coal Fines and Beneficiated Organic-Carbon-Containing Feedstock

#100
20180185782
2018-07-05

Hydrogen sulfide scavenging additive compositions, and medium comprising the same

#101
20180179460
2018-06-28

Configurations and methods of flexible CO2 removal

#102
20180154304
2018-06-07

Method and apparatus for dehydration of a hydrocarbon gas

#103
20180105754
2018-04-19

Electrolyzed water-amine compositions and methods of use

#104
20180094201
2018-04-05

Process for purifying biodiesel

#105
20180093941
2018-04-05

Preparation of new stable hydrogen sulfide scavengers useful in both water as well as oil medium applications

#106
20180072960
2018-03-15

Wood processing method

#107
20180057751
2018-03-01

Multistage thermolysis method for safe and efficient conversion of e-waste materials

#108
20180044598
2018-02-15

Method of reducing hydrogen sulfide levels in gaseous mixtures using triazines

#109
20180002607
2018-01-04

Diesel-soluble lignin oils and methods of their production

#110
20170361247
2017-12-21

Method for purifying glycol used as a hydrate inhibitor

#111
20170355654
2017-12-14

Hydrocarbon gas processing

#112
20170348630
2017-12-07

Process designs for increased selectivity and capacity for hydrogen sulfide capture from acid gases

#113
20170275546
2017-09-28

PROCESS FOR THE REMOVAL OF H2S FROM SOUR GAS WHILE LIMITING SCAVENGING CHEMICALS

#114
20170268819
2017-09-21

Integration methods of gas processing plant and nitrogen rejection unit for high nitrogen feed gases

#115
20170246645
2017-08-31

Controlling flow of black powder in hydrocarbon pipelines

#116
20170241709
2017-08-24

Method of removing carbon dioxide during liquid natural gas production from natural gas at gas pressure letdown stations

#117
20170226330
2017-08-10

FLUID COMPOSITION COMPRISING LIGNIN

#118
20170158503
2017-06-08

Process for using biogenic carbon dioxide derived from non-fossil organic material

#119
20170153025
2017-06-01

Method for drying high moisture, low calorific value lignite for a generating set and recovering water contained therein and apparatus thereof

#120
20170152455
2017-06-01

Method of production of fuels from biomass, from low quality coals and from wastes, residues and sludges from sew age treatment plants

#121
20170081251
2017-03-23

System and method for reprocessing animal bedding

#122
20170066975
2017-03-09

Additives to enhance metal and amine removal in refinery desalting processes

#123
20170029722
2017-02-02

Processes for producing a fuel from a renewable feedstock

#124
20170021305
2017-01-26

Aqueous absorbent composition for enhanced removal of hydrogen sulfide from gaseous mixtures and method for using the same

#125
20160354790
2016-12-08

Controlling flow of black powder in hydrocarbon pipelines

#126
20160312141
2016-10-27

Development of a novel high temperature stable scavenger for removal of hydrogen sulfide

#127
20160312140
2016-10-27

Fluid processing system

#128
20160312137
2016-10-27

Method and device for separating synthesis gas

#129
20160289579
2016-10-06

Method of predicting/optimizing hydrogen sulfide scavenging capacity and reduction of scale formation

#130
20160289571
2016-10-06

Electrolized water—amine compositions and methods of use

#131
20160264869
2016-09-15

Coal upgrade plant and method for manufacturing upgraded coal

#132
20160230106
2016-08-11

Production of biodiesel from scum

#133
20160230101
2016-08-11

Additives to enhance metal and amine removal in refinery desalting processes

#134
20160200592
2016-07-14

Method and apparatus for removing acid-gases from hydrocarbon-bearing saltwater solution

#135
20160184768
2016-06-30

Treatment of natural gas to remove contaminants

#136
20160145660
2016-05-26

PRODUCTION OF MICROBIAL OILS

#137
20160137941
2016-05-19

METHODS AND SYSTEMS FOR TREATING CARBONACEOUS MATERIALS

#138
20160131424
2016-05-12

Refining assemblies and refining methods for rich natural gas

#139
20160115409
2016-04-28

PROCESSES AND SYSTEMS FOR REFINING FUEL GAS

#140
20160108333
2016-04-21

Integrated process for dialkyldisulfides treatment

#141
20160097157
2016-04-07

System and method using a reaction chamber to beneficiate organic-carbon-containing feedstock for downstream processes

#142
20160032203
2016-02-04

Compositions and methods of making biofuel

#143
20150376092
2015-12-31

RECOVERING H2 AND C2+ FROM FUEL GAS VIA USE OF A SINGLE-STAGE PSA AND SENDING PSA TAIL GAS TO GAS RECOVERY UNIT TO IMPROVE STEAM CRACKER FEED QUALITY

#144
20150362185
2015-12-17

System and process for combusting cleaned coal and beneficiated organic-carbon-containing feedstock

#145
20150362184
2015-12-17

System and process for combusting coal and beneficiated organic-carbon-containing feedstock

#146
20150362180
2015-12-17

System for co-firing cleaned coal and beneficiated organic-carbon-containing feedstock in a coal combustion apparatus

#147
20150361367
2015-12-17

Processed biomass pellets from organic-carbon-containing feedstock

#148
20150361357
2015-12-17

Distillate two-phase hydrogenation reactor and hydrogenation method

#149
20150353866
2015-12-10

Biorefining of crude tall oil

#150
20150337218
2015-11-26

System and method for oil and condensate processing

#151
20150307810
2015-10-29

Biorefining of crude tall oil

#152
20150299100
2015-10-22

Sulfide scavengers, methods for making and methods for using

#153
20150240170
2015-08-27

METHOD AND APPARATUS FOR TREATING WASTE MATERIAL AND A PRODUCT GAS

#154
20150166915
2015-06-18

Configurations and methods of flexible CO2 removal

#155
20150159947
2015-06-11

Method and device for separating hydrocarbons and contaminants with a heating mechanism to destabilize and/or prevent adhesion of solids

#156
20150159939
2015-06-11

Method and system of maintaining a liquid level in a distillation tower

#157
20150083425
2015-03-26

Inline non-targeted component removal

#158
20150082690
2015-03-26

Systems and methods for coal water slurry concentration

#159
20150073196
2015-03-12

Hydrocarbon gas processing

#160
20150013380
2015-01-15

Method for separating off acid gases from natural gas

#161
20140352532
2014-12-04

Continuously stirred tank reactor absorber and flash tank stripper system

#162
20140114110
2014-04-24

Integration methods of gas processing plant and nitrogen rejection unit for high nitrogen feed gases

#163
20140066682
2014-03-06

Process and apparatus for extracting sulfur compounds in a hydrocarbon stream

#164
20140053458
2014-02-27

Torrefaction apparatus and process

#165
20140033763
2014-02-06

Heavy hydrocarbon removal from a natural gas stream

#166
20130252314
2013-09-26

Method of utilizing refuses in urban and rural

#167
20130172640
2013-07-04

Hydromethanation of a carbonaceous feedstock

#168
20130172623
2013-07-04

Sulfide scavengers, methods for making and methods for using

#169
20130108531
2013-05-02

Process For Natural Gas Purification

#170
20120279115
2012-11-08

Method for the preparation of solid fuels by means of torrefaction as well as the solid fuels thus obtained and the use of these fuels

#171
20120168154
2012-07-05

Use of gas-separation membranes to enhance production in fields containing high concentrations of hydrogen sulfides

#172
20120093690
2012-04-19

System and method of substitute natural gas production

#173
20110247967
2011-10-13

Deposit mitigation in gasoline fractionation, quench water system and product recovery section

#174
20110172473
2011-07-14

Additives to enhance metal removal in refinery desalting processes

#175
20110130298
2011-06-02

Method of predicting/optimizing hydrogen sulfide scavenging capacity and reduction of scale formation

#176
20110108456
2011-05-12

Additives to enhance metal and amine removal in refinery desalting processes

#177
20100071260
2010-03-25

Method and system for production of biofuels using a fiber conduit reactor

#178
20090272027
2009-11-05

Method for the preparation of solid fuels by means of torrefaction as well as the solid fuels thus obtained and the use of these fuels

#179
20090152164
2009-06-18

Additives to enhance metal and amine removal in refinery desalting processes

#180
20050241997
2005-11-03

Additives to enhance phosphorus compound removal in refinery desalting processes

#181
18769774
2025-01-07

Aqueous solutions and methods of using same for remediating contaminants in contaminated gasses

#182
18048299
2024-02-20

Enhancing HS specification in NGL products