ClassID:

105578

C10G53/10 - CPC Classification

Classification description:

Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only including at least one acid-treatment step

Recent Application in this class:
#1
20250230370
2025-07-17

TREATMENT COMPOSITIONS AND METHODS OF USING SAME FOR REMEDIATING MERCAPTANS AND SULFUR COMPOUNDS IN HYDROCARBON LIQUIDS

#2
20250092320
2025-03-20

Treatment compositions and methods of using same for remediating mercaptans and sulfur compounds in hydrocarbon liquids

#3
20230399574
2023-12-14

OIL DEMETALLATION AND DE-ASHING PROCESSING BY NEUTRALIZATION AND CENTRIFUGING OF FLOCCULATED HEAVY ASPHALTENE HYDROCARBON CONTENT

#4
20230348801
2023-11-02

MEMBRANE-BASED TREATMENT OF BIODIESEL COMPOSITIONS TO REMOVE IMPURITIES

#5
20230030413
2023-02-02

Product separation and purification method and system

#6
20220389330
2022-12-08

Oxygenate separation using a metal salt

#7
20220056347
2022-02-24

Sulfur reduction methods and systems

#8
20210403815
2021-12-30

Continuous catalytic deasphalting process

#9
20210363448
2021-11-25

High napthenic content kerosene compositions

#10
20200115637
2020-04-16

Oxygenate separation using a metal salt

#11
20200056107
2020-02-20

Separation system for high pressure processing system

#12
20180094198
2018-04-05

Process for separating particles containing alkali metal salts from liquid hydrocarbons

#13
20170349841
2017-12-07

Process for removing metal naphthenate from crude hydrocarbon mixtures

#14
20160272900
2016-09-22

Sulfone cracking using supercritical water

#15
20140138283
2014-05-22

Removal of solubilized metals from Fischer-Tropsch products

#16
20130068660
2013-03-21

Method for increasing thermal stability of a fuel composition using a solid phosphoric acid catalyst

#17
20120220509
2012-08-30

Oil recovery method

#18
20120103872
2012-05-03

Method for reducing mercaptans in hydrocarbons

#19
20100200461
2010-08-12

Process for producing petroleum oils with ultra-low nitrogen content

#20
20080264830
2008-10-30

Method for removing calcium from crude oil

#21
20070241032
2007-10-18

Process for the desulfurization of olefinic gasolines by increasing the weight of sulfur-containing compounds with regeneration of the catalyst

#22
20070125685
2007-06-07

Method for removing calcium from crude oil

#23
20070000809
2007-01-04

Process for producing petroleum oils with ultra-low nitrogen content