C10G21/006 - CPC Classification Index

ClassID:

105414 ⎘

C10G21/006 - CPC Classification

Classification description:

Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents of waste oils, e.g. PCB's containing oils

Recent Application in this class:

20220177786

2022-06-09

Recovery of aliphatic hydrocarbons

20180223195

2018-08-09

System and method of refining used oil

20180127666

2018-05-10

Properties of Hydroprocessed Base Oils

20170283734

2017-10-05

Method for Producing Base Lubricating Oil from Waste Oil

20170275538

2017-09-28

Method for Producing Base Lubricating Oil from Oils Recovered from Combustion Engine Service

20170152449

2017-06-01

Method and apparatus for recovering synthetic oils from composite oil streams

20170130143

2017-05-11

Method and apparatus for recovering synthetic oils from composite oil streams

20140251869

2014-09-11

Method for producing base lubricating oil from oils recovered from combustion engine service

20110278151

2011-11-17

Method for producing base lubricating oil from waste oil

#10

20090223862

2009-09-10

METHOD FOR PRODUCING BASE LUBRICATING OIL FROM WASTE OIL

#11

20080230487

2008-09-25

Chemical process

#12

20060070912

2006-04-06

Method for utilizing hydrocarbon waste materials as fuel and feedstock

#13

15212180

2018-01-09

Post hydrotreatment finishing of lubricant distillates

#14

14488926

2016-07-19

Post hydrotreatment finishing of lubricant distillates