Lubricating oils

Industry

CPC
C10G2300/1062

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Parent Industries

CCHEMISTRY METALLURGY C10Petroleum, gas C10GCRACKING HYDROCARBON OILS PRODUCTION OF LIQUID HYDROCARBON MIXTURES C10G2300/00Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00

Current Industry

C10G2300/1062Lubricating oils

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Two-stage hydrocracking process for producing naphtha, comprising a...
- Patent number 11,767,479
- Issue date Sep 26, 2023
- IFP Energies Nouvelles
- Emmanuelle Guillon
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for treating an oil loaded with PAH
- Patent number 11,753,594
- Issue date Sep 12, 2023
- SAFRAN CERAMICS
- Jean-François Daniel René Potin
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Catalyst system for dewaxing
- Patent number 11,198,114
- Issue date Dec 14, 2021
- Shell Oil Company
- Hermanus Jongkind
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Base stocks and lubricant compositions containing same
- Patent number 11,060,040
- Issue date Jul 13, 2021
- ExxonMobil Research and Engineering Company
- Lisa I-Ching Yeh
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composition and a process for reducing aromatics from a hydrocarbon...
- Patent number 10,881,984
- Issue date Jan 5, 2021
- Hindustan Petroleum Corporation Limited
- Srinivasa Rao Ganagalla
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Hydrocarbon conversion catalyst composition
- Patent number 10,864,506
- Issue date Dec 15, 2020
- Shell Oil Company
- Laszlo Domokos
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Group III base stocks and lubricant compositions
- Patent number 10,767,125
- Issue date Sep 8, 2020
- ExxonMoble Research and Engineering Company
- Daniel J. Eichelsdoerfer
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Liquid-phase hydroisomerization system and process therefor and use...
- Patent number 10,683,459
- Issue date Jun 16, 2020
- PetroChina Company Limited
- Shoutao Ma
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Composition and method of screening hydrocarbons to limit potential...
- Patent number 10,451,602
- Issue date Oct 22, 2019
- ExxonMobil Research and Engineering Company
- Tracie L. Owens
- G01 - MEASURING TESTING
Information Patent Grant
Group III base stocks and lubricant compositions
- Patent number 10,428,284
- Issue date Oct 1, 2019
- ExxonMobil Research and Engineering Company
- Daniel J. Eichelsdoerfer
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Base stocks and lubricant compositions containing same
- Patent number 10,400,185
- Issue date Sep 3, 2019
- ExxonMobil Research and Engineering Company
- Lisa I-Ching Yeh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermal processing reactor for mixtures, fabrication of the reactor...
- Patent number 10,315,183
- Issue date Jun 11, 2019
- Envirollea Inc.
- Lucie B. Wheeler
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for producing an American petroleum institute standards grou...
- Patent number 10,287,515
- Issue date May 14, 2019
- Benjamin Cowart
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Block processing configurations for base stock production from deas...
- Patent number 10,287,516
- Issue date May 14, 2019
- ExxonMobil Research and Engineering Company
- Kendall S. Fruchey
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Distillation of used motor oil with distillate vapors
- Patent number 10,280,371
- Issue date May 7, 2019
- Delta Technologies LLC
- Robert H. Wombles
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Production of base oils from petrolatum
- Patent number 10,023,822
- Issue date Jul 17, 2018
- ExxonMobil Research and Engineering Company
- Jeenok T. Kim
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Mixed oxides of transition metals, hydrotreatment catalysts obtaine...
- Patent number 9,975,112
- Issue date May 22, 2018
- ENI S.p.A.
- Giuseppe Bellussi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Thermal processing reactor for mixtures, fabrication of the reactor...
- Patent number 9,555,342
- Issue date Jan 31, 2017
- Envirollea Inc.
- Lucie B. Wheeler
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Removal of heteroaromatic sulfides from hydrocarbons using polyoxom...
- Patent number 9,388,346
- Issue date Jul 12, 2016
- Yeda Research and Development Co. Ltd.
- Ronny Neumann
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Synthesis and use of M41S family molecular sieves
- Patent number 9,302,254
- Issue date Apr 5, 2016
- ExxonMobil Chemical Patents Inc.
- Wenyih Frank Lai
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of base oils from petrolatum
- Patent number 9,284,500
- Issue date Mar 15, 2016
- ExxonMobil Research and Engineering Company
- Jeenok T. Kim
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for removing organic acids from crude oil and crude oil dis...
- Patent number 9,279,086
- Issue date Mar 8, 2016
- The Queen's University of Belfast
- Chris Hardacre
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Mixed oxides of transition metals, hydrotreatment catalysts obtaine...
- Patent number 9,278,339
- Issue date Mar 8, 2016
- ENI S.p.A.
- Giuseppe Bellussi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Re-refining used motor oil
- Patent number 9,243,191
- Issue date Jan 26, 2016
- Delta Technologies LLC
- Robert H. Wombles
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for refining oil
- Patent number 9,228,133
- Issue date Jan 5, 2016
- Industrial Technology Research Institute
- Chiung-Fang Liu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Iron oxide magnetic nanoparticle, its preparation and its use in de...
- Patent number 9,034,174
- Issue date May 19, 2015
- NANOPETRO COMPANY LIMITED
- Man Chung Daniel Cheng
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Sweet or sour service catalytic dewaxing in block mode configuration
- Patent number 8,906,224
- Issue date Dec 9, 2014
- ExxonMobil Research and Engineering Company
- Krista Marie Prentice
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Feed mixtures for extraction process to produce rubber processing oil
- Patent number 8,864,981
- Issue date Oct 21, 2014
- CPC Corporation, Taiwan
- Chih-Cheng Chang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Hydrocarbon synthesizer
- Patent number 8,858,783
- Issue date Oct 14, 2014
- Neo-Petro, LLC
- Martin Allan Morris
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method and device for cleaning of a fluid in a centrifugal separator
- Patent number 8,790,233
- Issue date Jul 29, 2014
- Alfa Laval Corporate AB
- Rolf Ridderstrale
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...

Patents Applicationslast 30 patents

Information Patent Application
HYDROGEN SULPHIDE AND MERCAPTANS SCAVENGERS
- Publication number 20240392199
- Publication date Nov 28, 2024
- Hemant SUNANDA MONDKAR
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
SELECTIVE SEPARATION OF NAPHTHENES FOR PRODUCTION OF ENHANCED VISCO...
- Publication number 20230287278
- Publication date Sep 14, 2023
- ExxonMobil Technology and Engineering Company
- Changyub Paek
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHOD FOR TREATING AN OIL LOADED WITH PAH
- Publication number 20220325190
- Publication date Oct 13, 2022
- SAFRAN CERAMICS
- Jean-François Daniel René POTIN
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PROCESS FOR IMPROVING BASE OIL YIELDS
- Publication number 20220325192
- Publication date Oct 13, 2022
- Chevron U.S.A. Inc.
- Minghui ZHANG
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
TREATING AND STEAM CRACKING A COMBINATION OF PLASTIC-DERIVED OIL AN...
- Publication number 20220177785
- Publication date Jun 9, 2022
- SABIG Global Technologies B.V.
- Nicolas GOYHENEIX
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
TWO-STAGE HYDROCRACKING PROCESS FOR PRODUCING NAPHTHA, COMPRISING A...
- Publication number 20220064550
- Publication date Mar 3, 2022
- IFP ENERGIES NOUVELLES
- Emmanuelle GUILLON
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
HYDROCARBON CONVERSION CATALYST COMPOSITION
- Publication number 20210053040
- Publication date Feb 25, 2021
- László Domokos
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
A DEWAXING AID FOR PETROLEUM REFINING
- Publication number 20200248081
- Publication date Aug 6, 2020
- Hindustan Petroleum Corporation Limited
- Chintalapati Siva Kesava Raju
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
GROUP III BASE STOCKS AND LUBRICANT COMPOSITIONS
- Publication number 20190367824
- Publication date Dec 5, 2019
- ExxonMobil Research and Engineering Company
- Daniel J. EICHELSDOERFER
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
BASE STOCKS AND LUBRICANT COMPOSITIONS CONTAINING SAME
- Publication number 20190359898
- Publication date Nov 28, 2019
- ExxonMobil Research and Engineering Company
- Lisa I-Ching Yeh
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
BLOCK PROCESSING CONFIGURATIONS FOR BASE STOCK PRODUCTION FROM DEAS...
- Publication number 20190218465
- Publication date Jul 18, 2019
- ExxonMobil Research and Engineering Company
- Kendall S. FRUCHEY
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
GROUP III BASE STOCKS AND LUBRICANT COMPOSITIONS
- Publication number 20190194558
- Publication date Jun 27, 2019
- ExxonMobil Research and Engineering Company
- Daniel J. EICHELSDOERFER
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHOD FOR PRODUCING AN AMERICAN PETROLEUM INSTITUTE STANDARDS GROU...
- Publication number 20190161693
- Publication date May 30, 2019
- Benjamin Cowart
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHOD FOR PROCESSING HEAVY HYDROCARBON FEEDSTOCK
- Publication number 20180371329
- Publication date Dec 27, 2018
- Ievgen Efimovich DOMANOV
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
TRIM DEWAXING OF DISTILLATE FUEL
- Publication number 20180362860
- Publication date Dec 20, 2018
- ExxonMobil Research and Engineering Company
- Stephen J. McCarthy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
A COMPOSITION AND A PROCESS FOR REDUCING AROMATICS FROM A HYDROCARB...
- Publication number 20180339243
- Publication date Nov 29, 2018
- HINDUSTAN PETROLEUM CORPORATION LIMITED
- Srinivasa Rao GANAGALLA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Liquid-Phase Hydroisomerization System And Process Therefor And Use...
- Publication number 20180223194
- Publication date Aug 9, 2018
- Shoutao Ma
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
BLOCK PROCESSING FOR BASE STOCK PRODUCTION FROM DEASPHALTED OIL
- Publication number 20180187092
- Publication date Jul 5, 2018
- ExxonMobil Research and Engineering Company
- Kendall S. Fruchey
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COMPOSITION AND METHOD OF SCREENING HYDROCARBONS TO LIMIT POTENTIAL...
- Publication number 20170284995
- Publication date Oct 5, 2017
- ExxonMobil Research and Engineering Company
- Tracie L. Owens
- G01 - MEASURING TESTING
Information Patent Application
PRODUCTION OF BASE OILS FROM PETROLATUM
- Publication number 20140262944
- Publication date Sep 18, 2014
- ExxonMobil Research and Engineering Company
- Jeenok T. Kim
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Multi-Purpose Paraffin Additives for Deposit Control, Anti-Settling...
- Publication number 20140250771
- Publication date Sep 11, 2014
- Baker Hughes Incorporated
- Paul J. Biggerstaff
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Synthesis and Use of M41S Family Molecular Sieves
- Publication number 20140024868
- Publication date Jan 23, 2014
- EXXONMOBIL CHEMICAL PATENTS INC.
- Wenyih Frank Lai
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REMOVAL OF HETEROAROMATIC SULFIDES FROM HYDROCARBONS USING POLYOXOM...
- Publication number 20130206646
- Publication date Aug 15, 2013
- YEDA RESEARCH AND DEVELOPMENT CO., LTD.
- Ronny Neumann
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
IRON OXIDE MAGNETIC NANOPARTICLE, ITS PREPARATION AND ITS USE IN DE...
- Publication number 20130126394
- Publication date May 23, 2013
- NANOPETRO COMPANY LIMITED
- Man Chung Daniel CHENG
- B82 - NANO-TECHNOLOGY
Information Patent Application
THERMAL PROCESSING REACTOR FOR MIXTURES, FABRICATION OF THE REACTOR...
- Publication number 20130068587
- Publication date Mar 21, 2013
- ENVIROLLEA INC.
- Lucie B. WHEELER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Device for separating fluid mixtures, in particular oil/water mixtures
- Publication number 20130056429
- Publication date Mar 7, 2013
- URAG-INDUSTRIES GMBH & CO. KG
- Joachim SCHOMBURG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD AND APPARATUS FOR REMOVAL OF PARTICLES FROM LUBRICATING OIL
- Publication number 20130026039
- Publication date Jan 31, 2013
- Daniel Bause
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
MIXED OXIDES OF TRANSITION METALS, HYDROTREATMENT CATALYSTS OBTAINE...
- Publication number 20120261311
- Publication date Oct 18, 2012
- ENI S.p.A.
- Giuseppe Bellussi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR REFINING OIL
- Publication number 20120215044
- Publication date Aug 23, 2012
- INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
- Chiung-Fang Liu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PROCESS FOR MAKING HIGH VISCOSITY INDEX LUBRICATING BASE OILS
- Publication number 20120184787
- Publication date Jul 19, 2012
- Chevron U.S.A. Inc.
- Stephen J. Miller
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Lubricating oils

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Two-stage hydrocracking process for producing naphtha, comprising a...

Method for treating an oil loaded with PAH

Catalyst system for dewaxing

Base stocks and lubricant compositions containing same

Composition and a process for reducing aromatics from a hydrocarbon...

Hydrocarbon conversion catalyst composition

Group III base stocks and lubricant compositions

Liquid-phase hydroisomerization system and process therefor and use...

Composition and method of screening hydrocarbons to limit potential...

Group III base stocks and lubricant compositions

Base stocks and lubricant compositions containing same

Thermal processing reactor for mixtures, fabrication of the reactor...

Method for producing an American petroleum institute standards grou...

Block processing configurations for base stock production from deas...

Distillation of used motor oil with distillate vapors

Production of base oils from petrolatum

Mixed oxides of transition metals, hydrotreatment catalysts obtaine...

Thermal processing reactor for mixtures, fabrication of the reactor...

Removal of heteroaromatic sulfides from hydrocarbons using polyoxom...

Synthesis and use of M41S family molecular sieves

Production of base oils from petrolatum

Process for removing organic acids from crude oil and crude oil dis...

Mixed oxides of transition metals, hydrotreatment catalysts obtaine...

Re-refining used motor oil

Method for refining oil

Iron oxide magnetic nanoparticle, its preparation and its use in de...

Sweet or sour service catalytic dewaxing in block mode configuration

Feed mixtures for extraction process to produce rubber processing oil

Hydrocarbon synthesizer

Method and device for cleaning of a fluid in a centrifugal separator

Patents Applicationslast 30 patents

HYDROGEN SULPHIDE AND MERCAPTANS SCAVENGERS

SELECTIVE SEPARATION OF NAPHTHENES FOR PRODUCTION OF ENHANCED VISCO...

METHOD FOR TREATING AN OIL LOADED WITH PAH

PROCESS FOR IMPROVING BASE OIL YIELDS

TREATING AND STEAM CRACKING A COMBINATION OF PLASTIC-DERIVED OIL AN...

TWO-STAGE HYDROCRACKING PROCESS FOR PRODUCING NAPHTHA, COMPRISING A...

HYDROCARBON CONVERSION CATALYST COMPOSITION

A DEWAXING AID FOR PETROLEUM REFINING

GROUP III BASE STOCKS AND LUBRICANT COMPOSITIONS

BASE STOCKS AND LUBRICANT COMPOSITIONS CONTAINING SAME

BLOCK PROCESSING CONFIGURATIONS FOR BASE STOCK PRODUCTION FROM DEAS...

GROUP III BASE STOCKS AND LUBRICANT COMPOSITIONS

METHOD FOR PRODUCING AN AMERICAN PETROLEUM INSTITUTE STANDARDS GROU...

METHOD FOR PROCESSING HEAVY HYDROCARBON FEEDSTOCK

TRIM DEWAXING OF DISTILLATE FUEL

A COMPOSITION AND A PROCESS FOR REDUCING AROMATICS FROM A HYDROCARB...

Liquid-Phase Hydroisomerization System And Process Therefor And Use...

BLOCK PROCESSING FOR BASE STOCK PRODUCTION FROM DEASPHALTED OIL

COMPOSITION AND METHOD OF SCREENING HYDROCARBONS TO LIMIT POTENTIAL...

PRODUCTION OF BASE OILS FROM PETROLATUM

Multi-Purpose Paraffin Additives for Deposit Control, Anti-Settling...

Synthesis and Use of M41S Family Molecular Sieves

REMOVAL OF HETEROAROMATIC SULFIDES FROM HYDROCARBONS USING POLYOXOM...

IRON OXIDE MAGNETIC NANOPARTICLE, ITS PREPARATION AND ITS USE IN DE...

THERMAL PROCESSING REACTOR FOR MIXTURES, FABRICATION OF THE REACTOR...

Device for separating fluid mixtures, in particular oil/water mixtures

METHOD AND APPARATUS FOR REMOVAL OF PARTICLES FROM LUBRICATING OIL

MIXED OXIDES OF TRANSITION METALS, HYDROTREATMENT CATALYSTS OBTAINE...

METHOD FOR REFINING OIL

PROCESS FOR MAKING HIGH VISCOSITY INDEX LUBRICATING BASE OILS