ClassID:

105620

C10G67/0409 - CPC Classification

Classification description:

Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only including solvent extraction as the refining step in the absence of hydrogen Extraction of unsaturated hydrocarbons

Sub-classes:
Recent Application in this class:
#1
20220380690
2022-12-01

Process for the preparation of olefins, comprising hydrotreatment, de-asphalting, hydrocracking and steam cracking

#2
20210024837
2021-01-28

Method of producing a fuel additive

#3
20200123450
2020-04-23

System for conversion of crude oil to petrochemicals and fuel products integrating delayed coking of vacuum residue

#4
20180265791
2018-09-20

Processes and apparatuses for Olefin saturation in an aromatics complex

#5
20180187104
2018-07-05

Systems and methods for separation and extraction of heterocyclic compounds and polynuclear aromatic hydrocarbons from a hydrocarbon feedstock

#6
20180155633
2018-06-07

Process and system for conversion of crude oil to petrochemicals and fuel products integrating delayed coking of vacuum residue

#7
20180079701
2018-03-22

Process for increasing xylene isomer to benzene ratio

#8
20180029958
2018-02-01

Paraffin removal from C4 containing streams

#9
20170369796
2017-12-28

DEEP HYDROCONVERSION PROCESS USING AN EXTRACTION OF AROMATICS AND RESINS, WITH UPGRADING OF THE HYDROCONVERSION EXTRACT AND RAFFINATE IN DOWNSTREAM UNITS

#10
20170066979
2017-03-09

Production of heavy API group II base oil

#11
20150141701
2015-05-21

Process for removing a product from coal tar

#12
20140202924
2014-07-24

Process to manufacture a base stock

#13
20110220546
2011-09-15

High quality middle distillate production process

#14
20110000818
2011-01-06

Process for converting inferior feedstock to high quality fuel oil

#15
20100326885
2010-12-30

System for preparing high-quality gasoline through component oil refining hydrocarbon recombination hydrogenation and method thereof

#16
20100078355
2010-04-01

Process to manufacture a base stock and a base oil manufacturing plant

#17
20100078354
2010-04-01

170 NEUTRAL BASE OIL WITH IMPROVED PROPERTIES

#18
20070062847
2007-03-22

Integrated lubricant upgrading process using once-through, hydrogen-containing treat gas