ClassID:

105463

C10G29/28 - CPC Classification

Classification description:

Refining of hydrocarbon oils, in the absence of hydrogen, with other chemicals; Organic compounds not containing metal atoms containing sulfur as the only hetero atom, e.g. mercaptans, or sulfur and oxygen as the only hetero atoms

Recent Application in this class:
#1
20230392082
2023-12-07

PROCESS FOR THE CONTROL OF SOFTENING POINTS OF PETROLEUM HYDROCARBON MATERIALS

#2
20230383196
2023-11-30

Oil-wetting chemicals for solids retention

#3
20230204516
2023-06-29

Testing H2S Scavengers Polymerization Factors

#4
20230143184
2023-05-11

Elemental sulfur dissolution and solvation

#5
20230051820
2023-02-16

METHODS FOR PREPARING NANO-ORDERED CARBON ANODE MATERIALS FOR LITHIUM-ION BATTERIES

#6
20230051421
2023-02-16

METHODS FOR PREPARING NANO-ORDERED CARBON PRODUCTS FROM REFINERY HYDROCARBON STREAMS

#7
20220169929
2022-06-02

Methods of Using Ionic Liquids as Demulsifiers

#8
20220112443
2022-04-14

Method for the dissolution of amorphous dithiazines

#9
20220112433
2022-04-14

Elemental sulfur dissolution and solvation

#10
20220098494
2022-03-31

Methods of using ionic liquids as corrosion inhibitors

#11
20220056345
2022-02-24

IONIC LIQUIDS AND METHODS OF USING SAME

#12
20220010222
2022-01-13

Metal removal from fluids

#13
20210389255
2021-12-16

Testing HS scavengers' polymerization factors

#14
20210246376
2021-08-12

Metal removal from glycol fluids

#15
20210214620
2021-07-15

Additives for supercritical water process to upgrade heavy oil

#16
20210138440
2021-05-13

Method for preparing catalyst for selective hydrogenation of diolefins

#17
20210130703
2021-05-06

Hydrocracking process and system including separation of heavy poly nuclear aromatics from recycle by sulfonation

#18
20210101095
2021-04-08

Application of formaldehyde sulfoxylates for scavenging HS

#19
20210079304
2021-03-18

Metal removal from fluids

#20
20200332203
2020-10-22

Hydrogen sulfide removal process

#21
20200332202
2020-10-22

Method to improve the efficiency of pipeline transportation of heavy oils

#22
20200165530
2020-05-28

Method and apparatus for self-heat-extracting flash evaporation of sulfuric acid alkylation reaction product

#23
20200116003
2020-04-16

Hydrogen sulfide removal process

#24
20200017790
2020-01-16

Methods of using ionic liquids as paraffin inhibitors, pour point depressants and cold flow improvers

#25
20190284487
2019-09-19

Selective liquid-liquid extraction of oxidative desulfurization reaction products

#26
20190282920
2019-09-19

Purification of mercaptans or thiophenes using dividing wall column distillation

#27
20190264110
2019-08-29

Additives for supercritical water process to upgrade heavy oil

#28
20190169511
2019-06-06

Compositions and methods for dissolution of heavy organic compounds

#29
20190015763
2019-01-17

Application of formaldehyde sulfoxylates for scavenging HS

#30
20180245004
2018-08-30

Use of sulfonium salts as hydrogen sulfide inhibitors

#31
20180134969
2018-05-17

Oxidation catalyst and processes for using same

#32
20180044598
2018-02-15

Method of reducing hydrogen sulfide levels in gaseous mixtures using triazines

#33
20170210970
2017-07-27

Composition of biodegradable surfactants for separating impurities in a hydrocarbon

#34
20170096607
2017-04-06

Method for simulating high pressure paraffinic froth treatments

#35
20160002543
2016-01-07

Method for producing non-carcinogenic aromatic process oil

#36
20150166473
2015-06-18

Process for the production of surfactants from renewable materials, comprising a step for hydrotreatment and a step for transforming paraffins into surfactants

#37
20150076035
2015-03-19

Process, method, and system for removing heavy metals from fluids

#38
20150065402
2015-03-05

COMPOUND OF BIODEGRADABLE SURFACTANTS FOR SEPARATING IMPURITIES IN A HYDROCARBON

#39
20150065400
2015-03-05

Composition of biodegradable surfactants for separating impurities in a hydrocarbon

#40
20130180887
2013-07-18

PROCESS AND AGENTS TO REMOVE METALS FROM HIGH-BOILING HYDROCARBON FRACTIONS

#41
20130172218
2013-07-04

COMPOUND OF BIODEGRADABLE SURFACTANTS FOR SEPARATING IMPURITIES IN A HYDROCARBON

#42
20130075305
2013-03-28

SELECTIVE LIQUID-LIQUID EXTRACTION OF OXIDATIVE DESULFURIZATION REACTION PRODUCTS

#43
20120187049
2012-07-26

Method of Removing Multi-Valent Metals From Crude Oil

#44
20100000910
2010-01-07

SYSTEM AND METHOD FOR SEPARATING A TRACE ELEMENT FROM A LIQUID HYDROCARBON FEED

#45
20060011518
2006-01-19

Process for reducing the level of elemental sulfur in hydrocarbon streams