ClassID:

106186

C10L1/232 - CPC Classification

Classification description:

Liquid carbonaceous fuels containing additives; Organic compounds containing nitrogen containing nitrogen in a heterocyclic ring

Sub-classes:
Recent Application in this class:
#1
20250333374
2025-10-30

ORGANIC AMMONIUM SALTS WITH TRACEABILITY AND DETERGENT DISPERSANT PROPERTIES TO LIQUID FUELS AND PROCESSES FOR THEIR SYNTHESIS

#2
20250304871
2025-10-02

MULTI-FUNCTIONAL FUEL ADDITIVE TO PROVIDE FRICTION REDUCTION AND CORROSION PROTECTION

#3
20250270463
2025-08-28

USE AND METHOD

#4
20250066304
2025-02-27

ANTIDEGRADANT COMPOUNDS AND USES THEREOF

#5
20250043207
2025-02-06

METHODS AND USES RELATING TO FUEL COMPOSITIONS

#6
20250043204
2025-02-06

USE AND METHOD

#7
20250034471
2025-01-30

GASOLINE ADDITIVE COMPOSITION FOR IMPROVED ENGINE PERFORMANCE

#8
20240417637
2024-12-19

PROCESS FOR REDUCTION OF ASPHALTENES FROM MARINE FUELS

#9
20240417636
2024-12-19

FUEL ADDITIVE COMPOSITION

#10
20240279562
2024-08-22

BIOACTIVE ADDITIVE FOR A FUEL, USES THEREOF, FUEL COMPOSITION, AND METHOD

#11
20240199964
2024-06-20

COMPOUNDS FOR MARKING LIQUIDS

#12
20240190812
2024-06-13

ORGANIC AMMONIUM SALTS WITH TRACEABILITY AND DETERGENT DISPERSANT PROPERTIES TO LIQUID FUELS AND PROCESSES FOR THEIR SYNTHESIS

#13
20240150666
2024-05-09

COMPOSITIONS FOR MITIGATING LOW SPEED PRE-IGNITION EVENTS

#14
20240132792
2024-04-25

Gasoline additive composition for improved engine performance

#15
20240110114
2024-04-04

Fuel additive composition

#16
20230220290
2023-07-13

Synthetic lubricity additives for hydrocarbon fuels

#17
20220356155
2022-11-10

FUEL HIGH TEMPERATURE ANTIOXIDANT ADDITIVE

#18
20220154089
2022-05-19

Synthetic lubricity additives for hydrocarbon fuels

#19
20220098505
2022-03-31

USE OF A PARAFFINIC HYDROCARBON-BASED FUEL COMPOSITION FOR CLEANING THE INTERNAL PARTS OF DIESEL ENGINES

#20
20210388279
2021-12-16

FUEL COMPOSITION BASED ON PARAFFINIC HYDROCARBONS

#21
20210269752
2021-09-02

Non-aqueous aerosol foam and methods of making thereof

#22
20210214639
2021-07-15

Low molecular weight amide/ester containing quaternary ammonium salts

#23
20210207051
2021-07-08

Low molecular weight imide containing quaternary ammonium salts

#24
20210017464
2021-01-21

Methods to reduce frequency of diesel particulate filter regeneration

#25
20200354642
2020-11-12

Fuel Composition Comprising Detergent and Quaternary Ammonium Salt Additive

#26
20200270538
2020-08-27

Motor gasoline with improved octane and method of use

#27
20200255760
2020-08-13

Diesel detergent without a low molecular weight penalty

#28
20200248089
2020-08-06

Fuel additive mixture providing rapid injector clean-up in high pressure gasoline engines

#29
20200181515
2020-06-11

Fuel high temperature antioxidant additive

#30
20200109343
2020-04-09

HYDRIDE DONORS AS AN ADDITIVE FOR REDUCING LOW SPEED PRE-IGNITION EVENTS

#31
20200080015
2020-03-12

Fuel high temperature antioxidant additive

#32
20200024536
2020-01-23

Fuel-Soluble Synergistic Cleaning Mixture for High Pressure Gasoline Engines

#33
20200017789
2020-01-16

COMPOSITION AND METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN SPARK-IGNITED INTERNAL COMBUSTION ENGINES

#34
20190382674
2019-12-19

QUATERNARY AMMONIUM FUEL ADDITIVES

#35
20190309234
2019-10-10

Quaternary ammonium compounds as fuel or lubricant additives

#36
20190292473
2019-09-26

COMPOSITION AND METHOD FOR PREVENTING OR REDUCING LOW SPEED PRE-IGNITION IN SPARK-IGNITED INTERNAL COMBUSTION ENGINES

#37
20190264119
2019-08-29

ACID-FREE QUATERNIZED NITROGEN COMPOUNDS AND USE THEREOF AS ADDITIVES IN FUELS AND LUBRICANTS

#38
20190177630
2019-06-13

Phenol aldehydes asphaltene inhibitors

#39
20190119594
2019-04-25

LUBRICANT FOR TWO-STROKE CYCLE ENGINES

#40
20190112539
2019-04-18

Diesel detergent without a low molecular weight penalty

#41
20190084922
2019-03-21

Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants

#42
20190048279
2019-02-14

Water based product for treating vanadium rich oils

#43
20190048278
2019-02-14

Oil based product for treating vanadium rich oils

#44
20190048277
2019-02-14

Fuel compositions

#45
20190040332
2019-02-07

Use of a hydrocarbyl-substituted dicarboxylic acid for improving or boosting the separation of water from fuel oils and gasoline fuels

#46
20190031970
2019-01-31

Methods for reducing ferrous corrosion

#47
20190002768
2019-01-03

Nitrogen based hydrogen sulfide scavengers and method of use thereof

#48
20180334627
2018-11-22

Additive compositions that improve the stability and the engine performances of diesel fuels

#49
20180320098
2018-11-08

PROCESS FOR ENHANCING GASOLINE OCTANE BOOSTERS, GASOLINE BOOSTERS, AND GASOLINES

#50
20180223203
2018-08-09

Cyclic quaternary ammonium salts as fuel or lubricant additives

#51
20180201857
2018-07-19

Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants

#52
20180163153
2018-06-14

Polyolefin-derived dispersants

#53
20180119041
2018-05-03

Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants

#54
20180022729
2018-01-25

Antioxidants and methods to maximize performance

#55
20170247624
2017-08-31

Composition of additives and high-performance fuel comprising such a composition

#56
20170145333
2017-05-25

Acid-free quaternized nitrogen compounds and use thereof as additives in fuels and lubricants

#57
20170121621
2017-05-04

Concentrated multi-functional fuel additive packages

#58
20170114296
2017-04-27

LOW MOLECULAR WEIGHT IMIDE CONTAINING QUATERNARY AMMONIUM SALTS

#59
20170107438
2017-04-20

HIGH MOLECULAR WEIGHT IMIDE CONTAINING QUATERNARY AMMONIUM SALTS

#60
20170101595
2017-04-13

Adducts of low molecular weight PIB with low polydispersity and high vinylidene content

#61
20170096610
2017-04-06

HIGH MOLECULAR WEIGHT AMIDE/ESTER CONTAINING QUATERNARY AMMONIUM SALTS

#62
20170081606
2017-03-23

Diesel fuel compositions

#63
20170058225
2017-03-02

Composition of additives and high-performance fuel comprising such a composition

#64
20160362595
2016-12-15

Beta-amino ester gas hydrate inhibitors

#65
20160289584
2016-10-06

Mixed detergent composition for intake valve deposit control

#66
20160222309
2016-08-04

Use of amines and/or Mannich adducts in fuel and lubricant compositions for direct-injection spark ignition engines

#67
20160198719
2016-07-14

Synergistic antimicrobial composition

#68
20160160144
2016-06-09

Use of a hydrocarbyl-substituted dicarboxylic acid for improving or boosting the separation of water from fuel oils and gasoline fuels

#69
20160160142
2016-06-09

Quaternary ammonium compounds as fuel or lubricant additives

#70
20160152910
2016-06-02

Quaternary ammonium compounds as fuel or lubricant additives

#71
20160090541
2016-03-31

Synergistic mixture

#72
20150376524
2015-12-31

Hydrocarbyl soluble quaternary ammonium carboxylates and fuel compositions containing them

#73
20150337234
2015-11-26

Lubricant additive composition suitable for lubricating two-stroke engines fueled with heavy fuels

#74
20150284652
2015-10-08

Diesel fuel with improved ignition characteristics

#75
20150267138
2015-09-24

Diesel detergent without a low molecular weight penalty

#76
20150266808
2015-09-24

Quaternized ammonium salts of hydrocarbyl epoxides and use thereof as additives in fuels and lubricants

#77
20150252278
2015-09-10

Diesel detergent without a low molecular weight penalty

#78
20150232775
2015-08-20

Synergistic detergent and active metal compound combination

#79
20150166920
2015-06-18

Liquid composition

#80
20150160183
2015-06-11

Diamine-based oil marker compositions and method of identifying oil product using the same

#81
20150113858
2015-04-30

Liquid fuel compositions

#82
20150113857
2015-04-30

LIQUID FUEL COMPOSITIONS

#83
20150047591
2015-02-19

Nano-sized zinc oxide particles for fuel

#84
20150033617
2015-02-05

ADDITIVE COMPOSITIONS FOR IMPROVING THE LACQUERING RESISTANCE OF HIGHER GRADE FUELS OF THE DIESEL OR BIODIESEL TYPE

#85
20150020441
2015-01-22

PETROLEUM SUBSTITUTE COMPRISED OF AN ORGANIC SOLVENT EXTRACT OF HERBACEOUS PLANT BIOMASS

#86
20140373433
2014-12-25

Additive mixture for the bactericidal and anticorrosive additization of fuels

#87
20140345191
2014-11-27

Quaternary Ammonium Salts In Heating Oils

#88
20140338253
2014-11-20

Fuel additive composition

#89
20140331547
2014-11-13

Tracers and method of marking liquids

#90
20140187454
2014-07-03

Compositions

#91
20140182192
2014-07-03

Compositions

#92
20140157655
2014-06-12

Additive compositions that improve the stability and the engine performances of diesel fuels

#93
20140123546
2014-05-08

Diesel fuel additive

#94
20140115953
2014-05-01

Process for reducing the viscosity of heavy residual crude oil during refining

#95
20140024568
2014-01-23

Synergistic mixture

#96
20140020285
2014-01-23

USE OF THE REACTION PRODUCT FORMED FROM A HYDROCARBYL-SUBSTITUTED DICARBOXYLIC ACID AND A NITROGEN COMPOUND TO REDUCE FUEL CONSUMPTION

#97
20140007496
2014-01-09

Fuel oil flow improver and fuel oil composition

#98
20130324665
2013-12-05

Adducts of Low Molecular Weight PIB With Low Polydispersity and High Vinylidene Content

#99
20130247450
2013-09-26

Gasoline Deposit Control Additive Compositions

#100
20130237466
2013-09-12

Use of amines and/or Mannich adducts in fuel and lubricant compositions for direct injection spark ignition engines

#101
20130227878
2013-09-05

Corrosion inhibitor compositions for oxygenated gasolines

#102
20130219775
2013-08-29

Polymeric imides as pour point depressant additives for oil compositions

#103
20130205654
2013-08-15

Imidazolium salts as additives for fuels

#104
20130133244
2013-05-30

Conductivity-improving additives for fuel

#105
20130133242
2013-05-30

High performance, low toxicity hypergolic fuel

#106
20130131387
2013-05-23

Methods and compounds for improving sulfide scavenging activity

#107
20130031828
2013-02-07

FUEL COMPOSITION COMPRISING DETERGENT AND QUANTERNARY AMMONIUM SALT ADDITIVE

#108
20120311922
2012-12-13

CORROSION AND MICROBIAL CONTROL IN HYDROCARBONACEOUS COMPOSITIONS

#109
20120255512
2012-10-11

Fuel additives for treating internal deposits of fuel injectors

#110
20120214720
2012-08-23

Chemical Composition of Matter for the Liquefaction and Dissolution of Asphaltene and Paraffin Sludges into Petroleum Crude Oils and Refined Products at Ambient Temperatures and Method of Use

#111
20120210966
2012-08-23

Fuel additives to maintain optimum injector performance

#112
20120204480
2012-08-16

Nano-sized zinc oxide particles for fuel

#113
20120197052
2012-08-02

Composition of matter comprising of the creation of a low molecular weight hydrocarbon fluid exhibiting mainly oligomerized pentenes mainly comprised of 2-Methyl-2-Butene subunits as well as related plant isoprenoids composed of 2-Methyl-1-Butene subunits and other hydrocarbons from Euphorbia tirucalli biomass and a process for the extraction and refinement in making the same composition through the creation of solvent permeable batting mat and a multi-phase solvent extraction

#114
20120196836
2012-08-02

Synergistic antimicrobial composition

#115
20120192823
2012-08-02

Synergistic detergent and active metal compound combination

#116
20120168046
2012-07-05

High performance, low toxicity hypergolic fuel

#117
20120151829
2012-06-21

PROCESS FOR CATALYTIC CRACKING OF AQUATIC MICROBIAL BIOMASS

#118
20120137573
2012-06-07

USE OF THE REACTION PRODUCT FORMED FROM A HYDROCARBYL-SUBSTITUTED DICARBOXYLIC ACID AND A NITROGEN COMPOUND TO REDUCE FUEL CONSUMPTION

#119
20120124896
2012-05-24

Diesel Composition and Method of Increasing Biodiesel Oxidation Stability

#120
20120110899
2012-05-10

Additive mixture for the bactericidal and anticorrosive additization of fuels

#121
20120102826
2012-05-03

Diesel fuel additive

#122
20120021366
2012-01-26

Fuel composition comprising alkyl ester

#123
20120010112
2012-01-12

ACID-FREE QUATERNIZED NITROGEN COMPOUNDS AND USE THEREOF AS ADDITIVES IN FUELS AND LUBRICANTS

#124
20120005950
2012-01-12

Fuel compositions

#125
20120000117
2012-01-05

DUAL FUNCTION FUEL ATOMIZING AND IGNITION ADDITIVES

#126
20110283603
2011-11-24

OXIDATION STABILIZED FUELS HAVING ENHANCED CORROSION RESISTANCE

#127
20110232165
2011-09-29

FUEL OR FUEL ADDITIVE COMPOSITION AND METHOD FOR ITS MANUFACTURE AND USE

#128
20110154724
2011-06-30

FATTY ESTER COMPOSITIONS WITH IMPROVED OXIDATIVE STABILITY

#129
20110119995
2011-05-26

Use of carotenoid (ester)s

#130
20110069307
2011-03-24

Dipyrromethenes and azadipyrromethenes as markers for petroleum products

#131
20110056121
2011-03-10

Chemical markers

#132
20110044748
2011-02-24

Liquid dye formulations in non-petroleum based solvent systems

#133
20110041387
2011-02-24

Corrosion and microbial control in hydrocarbonaceous compositions

#134
20110030637
2011-02-10

Lubricant Additive Composition Suitable for Lubricating Two-Stroke Engines Fueled with Heavy Fuels

#135
20110030345
2011-02-10

Method for reducing nitric oxide in the exhaust gas flow of internal combustion engines

#136
20100319243
2010-12-23

Compositions comprising combustion improvers and methods of use thereof

#137
20100242344
2010-09-30

Nano-sized zinc oxide particles for fuel

#138
20100242341
2010-09-30

CORROSION AND MICROBIAL CONTROL IN HYDROCARBONACEOUS COMPOSITIONS

#139
20100236136
2010-09-23

Heterocyclic compounds containing nitrogen as a fuel additive in order to reduce abrasion

#140
20100223841
2010-09-09

Novel Hydrocarbon Fuel Additives and Fuel Formulations Exhibiting Improved Combustion Properties

#141
20100222239
2010-09-02

Compositions containing amide surfactants and methods for inhibiting the formation of hydrate agglomerates

#142
20100212221
2010-08-26

MODULATION OF COMBUSTION RATES IN FUELS

#143
20100210492
2010-08-19

Synergistic mixture

#144
20100139153
2010-06-10

Method of Improving Oil Compositions

#145
20100107483
2010-05-06

Diesel fuel composition

#146
20100107482
2010-05-06

CONDUCTIVITY-IMPROVING ADDITIVES FOR FUEL

#147
20100107479
2010-05-06

ANTIFOAM FUEL ADDITIVES

#148
20100107477
2010-05-06

Diesel fuel additive composition and scouring method using the same

#149
20100107476
2010-05-06

Compositions and Methods Including Hexahydrotriazines Useful as Direct Injection Fuel Additives

#150
20100087656
2010-04-08

Compositions containing fatty acids and/or derivatives thereof and a low temperature stabilizer

#151
20100064576
2010-03-18

OLIGO- OR POLYAMINES AS OXIDATION STABILIZERS FOR BIOFUEL OILS

#152
20100037514
2010-02-18

FUEL ADDITIVES TO MAINTAIN OPTIMUM INJECTOR PERFORMANCE

#153
20090300974
2009-12-10

STABILIZER COMPOSITIONS FOR BLENDS OF PETROLEUM AND RENEWABLE FUELS

#154
20090282731
2009-11-19

Fuel additives to maintain optimum injector performance

#155
20090241411
2009-10-01

GEL-LIKE FUEL FOR FUEL CELL

#156
20090188159
2009-07-30

Mixture from polar oil-soluble nitrogen compounds and acid amides as paraffin dispersant for fuels

#157
20090156441
2009-06-18

Cycloalkyl phenylenediamines as deposit control agents for lubricants

#158
20090113640
2009-05-07

Liquid dye formulations in non-petroleum based solvent systems

#159
20090107555
2009-04-30

Dual Function Fuel Atomizing and Ignition Additives

#160
20090025281
2009-01-29

Diesel fuel composition and a method to improve filterability of diesel fuel

#161
20090011937
2009-01-08

Use of Fungicides for Increasing the Quality and Optionally the Quantity of Oil-Plant Products

#162
20080318331
2008-12-25

Anthraquinone Derivatives as Markers For Liquids

#163
20080295404
2008-12-04

Odorant mixture for odorless gas fuel

#164
20080282605
2008-11-20

Method for improving biodiesel fuel

#165
20080250703
2008-10-16

Fuel additive, additive-containing fuel compositions and method of manufacture

#166
20080227973
2008-09-18

Use of phthalocyanines as marking substances for liquids

#167
20080216393
2008-09-11

METHODS AND COMPOSITIONS FOR REDUCING CORROSION AND INCREASING ENGINE DURABILITY IN ENGINES COMBUSTING ALCOHOL-CONTAINING FUELS

#168
20080202655
2008-08-28

High performance, low toxicity hypergolic fuel

#169
20080202561
2008-08-28

Methods and Compositions for Reducing Deposits In Engines Combusting Alcohol-Containing Fuels

#170
20080202540
2008-08-28

Cigarette customization apparatus and associated method

#171
20080190014
2008-08-14

Heterocyclic compounds containing nitrogen as a fuel additive in order to reduce abrasion

#172
20080182767
2008-07-31

Compounds and Lubricating Compositions Containing the Compounds

#173
20080168708
2008-07-17

METHOD AND COMPOSITIONS FOR REDUCING DEPOSITS IN ENGINES COMBUSTING ETHANOL-CONTAINING FUELS AND A CORROSION INHIBITOR

#174
20080127550
2008-06-05

Stabilized biodiesel fuel compositions

#175
20080104884
2008-05-08

Fuel or fuel additive composition and method for its manufacture and use

#176
20080098643
2008-05-01

Ethanol modifier and its application

#177
20080032913
2008-02-07

Masking of mineral oil odor and fragrancing of mineral oils

#178
20070212785
2007-09-13

IMS detection of chemical markers in petroleum products

#179
20070204505
2007-09-06

GASOLINE FUEL COMPOSITIONS HAVING INCREASED OXIDATIVE STABILITY

#180
20070193110
2007-08-23

Fuel lubricity additives

#181
20070184555
2007-08-09

Chemical markers

#182
20070173419
2007-07-26

Polymeric imides as pour point depressant additives for oil compositions

#183
20070161519
2007-07-12

Pour point depressant additives for oil compositions

#184
20070151143
2007-07-05

Stabilized biodiesel fuel compositions

#185
20070149415
2007-06-28

Power and lubricant additive concentrates containing at least one anthrachinone derivative as a marking substance

#186
20070142244
2007-06-21

Hydrocarbons having reduced levels of mercaptans and method and composition useful for preparing same

#187
20070124990
2007-06-07

Asphaltene dispersants for petroleum products

#188
20070113467
2007-05-24

BIODIESEL FUEL COMPOSITIONS HAVING INCREASED OXIDATIVE STABILITY

#189
20070094918
2007-05-03

Composition and method for enhancing the stability of jet fuels

#190
20070051033
2007-03-08

Method of reducing paraffin deposition with imidazolines

#191
20070039646
2007-02-22

Drag reduction using maleated fatty acids

#192
20070027040
2007-02-01

Mineral oils with improved conductivity and cold flowability

#193
20060277820
2006-12-14

Synergistic deposit control additive composition for gasoline fuel and process thereof

#194
20060277819
2006-12-14

Synergistic deposit control additive composition for diesel fuel and process thereof

#195
20060254127
2006-11-16

Fuel additives and compositions

#196
20060242893
2006-11-02

Fuels compositions for direct injection gasoline engines

#197
20060229222
2006-10-12

Compositions containing fatty acids and/or derivatives thereof and a low temperature stabilizer

#198
20060201056
2006-09-14

Biodiesel fuel additive

#199
20060128574
2006-06-15

Lubricant compositions stabilized with multiple antioxidants

#200
20060096165
2006-05-11

Novel hydrocarbon fuel additives and fuel formulations exhibiting improved combustion properties

#201
20060079434
2006-04-13

Formulations useful as asphaltene dispersants in petroleum products

#202
20060070293
2006-04-06

Use of amines and/or Mannich adducts in fuel and lubricant compositions for direct injection spark ignition engines

#203
20060035793
2006-02-16

Chemical composition of matter for the liquefaction and dissolution of asphaltene and paraffin sludges into petroleum crude oils and refined products at ambient temperatures and method of use

#204
20050288192
2005-12-29

Automotive additive composition

#205
20050284019
2005-12-29

Hydrocarbon fuel additives and fuel formulations exhibiting improved combustion properties

#206
20050282972
2005-12-22

Process for preparing terminally functionalized living and quasiliving cationic telechelic polymers

#207
20050268538
2005-12-08

Reaction of phenols with intermediate triazines

#208
20050229479
2005-10-20

Fuel compositions and methods thereof

#209
20050178049
2005-08-18

Diesel fuel composition

#210
20050160662
2005-07-28

Method and composition for using stabilized beta-carotene as cetane improver in hydrocarbonaceous diesel fuels

#211
20050148655
2005-07-07

Production of N-(methyl aryl)-2-lactam, N-(methyl cycloalkyl)-2-lactam and N-alkyl-2-lactam by reductive amination of lactones with aryl and alkyl cyano compounds

#212
20050139174
2005-06-30

Methods and lubricant and fuel compositions for two-stroke engine containing power valves

#213
20050132641
2005-06-23

Fuel lubricity from blends of lubricity improvers and corrosion inhibitors or stability additives

#214
20050126073
2005-06-16

Lubricity additives for low sulfur hydrocarbon fuels

#215
20050085676
2005-04-21

Methods for inhibiting hydrate blockage in oil and gas pipelines using betaines and amine oxides

#216
20050085675
2005-04-21

Methods for inhibiting hydrate blockage in oil and gas pipelines using ester compounds

#217
20050085396
2005-04-21

Methods for inhibiting hydrate blockage in oil and gas pipelines using amino alcohols and ester compounds

#218
20050081714
2005-04-21

Methods for inhibiting hydrate blockage in oil and gas pipelines using simple quaternary ammonium and phosphonium compounds

#219
20050081432
2005-04-21

Methods for inhibiting hydrate blockage in oil and gas pipelines using amide compounds

#220
20050050792
2005-03-10

Low temperature stable concentrate containing fatty acid based composition and fuel composition and method thereof

#221
20050035045
2005-02-17

In-tank time release ion exchange resin containing a fuel additive

#222
20050009712
2005-01-13

Methods to improve lubricity of fuels and lubricants

#223
18162536
2023-11-07

Fuel additive composition

#224
16009403
2019-06-04

Quaternary ammonium fuel additives

#225
15855011
2018-07-03

Fuel additive mixtures and fuels containing them