ClassID:

105411

C10G19/08 - CPC Classification

Classification description:

Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment Recovery of used refining agents

Recent Application in this class:
#1
20260015548
2026-01-15

A METHOD FOR PURIFICATION OF LIQUEFIED WASTE PLASTICS USING RECYCLED AQUEOUS STREAM

#2
20200291320
2020-09-17

Regeneration method for liquefied petroleum gas sweetening caustic

#3
20180320089
2018-11-08

Process for the regeneration of an alkaline solution utilized in a process for the extraction of sulphur-containing compounds comprising a washing step

#4
20180250633
2018-09-06

Process for the regeneration of an alkaline solution used in a process for the extraction of sulphur-containing compounds not comprising a washing step

#5
20180170777
2018-06-21

PROCESS FOR OXIDIZING ONE OR MORE THIOL COMPOUNDS AND SUBSEQUENT SEPARATION IN A SINGLE VESSEL

#6
20180119025
2018-05-03

Layer-separation method of spent caustic solution

#7
20180094198
2018-04-05

Process for separating particles containing alkali metal salts from liquid hydrocarbons

#8
20170009147
2017-01-12

Processes for sweetening a hydrocarbon stream

#9
20160296888
2016-10-13

Bio-conversion of refinery waste streams

#10
20150284264
2015-10-08

Methods and systems for treating spent caustic and regenerating media

#11
20150114883
2015-04-30

Methods for treating hydrocarbon streams containing mercaptan compounds

#12
20150034529
2015-02-05

PROCESSES AND APPARATUSES FOR REMOVING MERCAPTANS FROM A FEED STREAM

#13
20140339136
2014-11-20

Methods for upgrading of contaminated hydrocarbon streams

#14
20140319025
2014-10-30

Extraction of sulphur-containing compounds in a first pretreatment reactor operating in batch mode followed by a second pretreatment reactor of the piston type

#15
20140066682
2014-03-06

Process and apparatus for extracting sulfur compounds in a hydrocarbon stream

#16
20130161234
2013-06-27

Alkali metal hydroprocessing of heavy oils with enhanced removal of coke products

#17
20120285866
2012-11-15

Methods for upgrading of contaminated hydrocarbon streams

#18
20120000827
2012-01-05

Process for removing one or more sulfur compounds from a stream

#19
20110308387
2011-12-22

Separation vessel or part thereof, and process relating thereto

#20
20110147274
2011-06-23

Regeneration of alkali metal reagent

#21
20110031164
2011-02-10

Methods for upgrading of contaminated hydrocarbon streams

#22
20100122936
2010-05-20

Separation vessel or part thereof, and process relating thereto

#23
20100084318
2010-04-08

Desulfurization of heavy hydrocarbons and conversion of resulting hydrosulfides utilizing copper sulfide

#24
20100084317
2010-04-08

Desulfurization of heavy hydrocarbons and conversion of resulting hydrosulfides utilizing copper metal

#25
20100084316
2010-04-08

Desulfurization of heavy hydrocarbons and conversion of resulting hydrosulfides utilizing a transition metal oxide

#26
20090065434
2009-03-12

Removal of residual sulfur compounds from a caustic stream

#27
20070251650
2007-11-01

Treatment of spent caustic refinery effluents

#28
20060254930
2006-11-16

Process for treating a sulfur-containing spent caustic refinery stream using a membrane electrolyzer powered by a fuel cell

#29
20050161340
2005-07-28

Process for the recovery of materials from a desulfurization reaction