CA2045096C - Production de lubrifiants a indice eleve de viscosite - Google Patents

Production de lubrifiants a indice eleve de viscosite Download PDF

Info

Publication number: CA2045096C
Authority: CA; Canada
Prior art keywords: process according; zeolite; weight percent; catalyst; feed
Prior art date: 1990-07-05
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Lifetime

Application number

CA002045096A

Other languages

English (en)

Other versions

CA2045096A1 (fr

Inventor

Thomas F. Degnan

Dominick N. Mazzone

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Mobil Oil AS

Original Assignee

Mobil Oil AS

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1990-07-05

Filing date

1991-06-20

Publication date

2000-08-29

1991-06-20 Application filed by Mobil Oil AS filed Critical Mobil Oil AS

1992-01-06 Publication of CA2045096A1 publication Critical patent/CA2045096A1/fr

2000-08-29 Application granted granted Critical

2000-08-29 Publication of CA2045096C publication Critical patent/CA2045096C/fr

2011-06-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000000314 lubricant Substances 0.000 title claims abstract description 18
238000004519 manufacturing process Methods 0.000 title description 5
239000003054 catalyst Substances 0.000 claims abstract description 93
239000010457 zeolite Substances 0.000 claims abstract description 82
HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 81
229910021536 Zeolite Inorganic materials 0.000 claims abstract description 78
238000000034 method Methods 0.000 claims abstract description 72
239000001993 wax Substances 0.000 claims abstract description 69
230000008569 process Effects 0.000 claims abstract description 63
238000006317 isomerization reaction Methods 0.000 claims abstract description 42
238000006243 chemical reaction Methods 0.000 claims abstract description 26
239000001257 hydrogen Substances 0.000 claims abstract description 26
229910052739 hydrogen Inorganic materials 0.000 claims abstract description 26
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 22
ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 20
229910052796 boron Inorganic materials 0.000 claims abstract description 20
239000012188 paraffin wax Substances 0.000 claims abstract description 9
229910000510 noble metal Inorganic materials 0.000 claims abstract description 8
239000012169 petroleum derived wax Substances 0.000 claims abstract description 8
235000019381 petroleum wax Nutrition 0.000 claims abstract description 8
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 36
239000000463 material Substances 0.000 claims description 19
229910052697 platinum Inorganic materials 0.000 claims description 12
125000003118 aryl group Chemical group 0.000 claims description 11
238000005984 hydrogenation reaction Methods 0.000 claims description 10
239000011159 matrix material Substances 0.000 claims description 6
239000011148 porous material Substances 0.000 claims description 5
230000000694 effects Effects 0.000 abstract description 18
239000000047 product Substances 0.000 description 45
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 27
239000003921 oil Substances 0.000 description 20
238000009835 boiling Methods 0.000 description 19
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
239000002904 solvent Substances 0.000 description 14
238000004517 catalytic hydrocracking Methods 0.000 description 12
239000000377 silicon dioxide Substances 0.000 description 12
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 11
229910052751 metal Inorganic materials 0.000 description 8
239000002184 metal Substances 0.000 description 8
238000012545 processing Methods 0.000 description 8
230000002378 acidificating effect Effects 0.000 description 7
238000005336 cracking Methods 0.000 description 7
229910052757 nitrogen Inorganic materials 0.000 description 7
239000000203 mixture Substances 0.000 description 6
238000010025 steaming Methods 0.000 description 6
238000012360 testing method Methods 0.000 description 6
230000001588 bifunctional effect Effects 0.000 description 5
230000007935 neutral effect Effects 0.000 description 5
238000002360 preparation method Methods 0.000 description 5
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
150000001336 alkenes Chemical class 0.000 description 4
239000011230 binding agent Substances 0.000 description 4
150000002431 hydrogen Chemical class 0.000 description 4
238000005342 ion exchange Methods 0.000 description 4
239000002480 mineral oil Substances 0.000 description 4
235000010446 mineral oil Nutrition 0.000 description 4
239000000243 solution Substances 0.000 description 4
238000000638 solvent extraction Methods 0.000 description 4
229910052717 sulfur Inorganic materials 0.000 description 4
239000011593 sulfur Substances 0.000 description 4
ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
239000008186 active pharmaceutical agent Substances 0.000 description 3
229910000323 aluminium silicate Inorganic materials 0.000 description 3
239000002199 base oil Substances 0.000 description 3
230000008901 benefit Effects 0.000 description 3
230000003197 catalytic effect Effects 0.000 description 3
239000012467 final product Substances 0.000 description 3
238000005194 fractionation Methods 0.000 description 3
239000007789 gas Substances 0.000 description 3
230000005484 gravity Effects 0.000 description 3
239000002245 particle Substances 0.000 description 3
239000003208 petroleum Substances 0.000 description 3
125000003367 polycyclic group Chemical group 0.000 description 3
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
239000002253 acid Substances 0.000 description 2
238000004458 analytical method Methods 0.000 description 2
KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
239000004327 boric acid Substances 0.000 description 2
238000001354 calcination Methods 0.000 description 2
230000015556 catabolic process Effects 0.000 description 2
238000007796 conventional method Methods 0.000 description 2
238000006731 degradation reaction Methods 0.000 description 2
238000006356 dehydrogenation reaction Methods 0.000 description 2
230000001419 dependent effect Effects 0.000 description 2
230000002349 favourable effect Effects 0.000 description 2
210000002683 foot Anatomy 0.000 description 2
HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
125000005842 heteroatom Chemical group 0.000 description 2
FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 2
230000006872 improvement Effects 0.000 description 2
238000002844 melting Methods 0.000 description 2
230000008018 melting Effects 0.000 description 2
150000002739 metals Chemical class 0.000 description 2
239000003607 modifier Substances 0.000 description 2
229910052759 nickel Inorganic materials 0.000 description 2
239000001294 propane Substances 0.000 description 2
230000009467 reduction Effects 0.000 description 2
238000007670 refining Methods 0.000 description 2
238000000926 separation method Methods 0.000 description 2
239000011734 sodium Substances 0.000 description 2
-1 that is Substances 0.000 description 2
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
229910052721 tungsten Inorganic materials 0.000 description 2
239000010937 tungsten Substances 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
241000490229 Eucephalus Species 0.000 description 1
PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
101000635799 Homo sapiens Run domain Beclin-1-interacting and cysteine-rich domain-containing protein Proteins 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
239000004264 Petrolatum Substances 0.000 description 1
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
102100030852 Run domain Beclin-1-interacting and cysteine-rich domain-containing protein Human genes 0.000 description 1
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
238000002441 X-ray diffraction Methods 0.000 description 1
230000032683 aging Effects 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
229940045985 antineoplastic platinum compound Drugs 0.000 description 1
238000013459 approach Methods 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
150000001491 aromatic compounds Chemical class 0.000 description 1
239000010953 base metal Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
229910001593 boehmite Inorganic materials 0.000 description 1
229940063013 borate ion Drugs 0.000 description 1
GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
229910052794 bromium Inorganic materials 0.000 description 1
244000309464 bull Species 0.000 description 1
238000004523 catalytic cracking Methods 0.000 description 1
239000010779 crude oil Substances 0.000 description 1
238000013461 design Methods 0.000 description 1
238000004821 distillation Methods 0.000 description 1
238000009826 distribution Methods 0.000 description 1
239000002019 doping agent Substances 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
238000000605 extraction Methods 0.000 description 1
238000001125 extrusion Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
239000011737 fluorine Substances 0.000 description 1
229910052731 fluorine Inorganic materials 0.000 description 1
150000002222 fluorine compounds Chemical class 0.000 description 1
238000001027 hydrothermal synthesis Methods 0.000 description 1
238000005470 impregnation Methods 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
238000011068 loading method Methods 0.000 description 1
239000010687 lubricating oil Substances 0.000 description 1
238000005259 measurement Methods 0.000 description 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
229910052750 molybdenum Inorganic materials 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
239000010705 motor oil Substances 0.000 description 1
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
MOWMLACGTDMJRV-UHFFFAOYSA-N nickel tungsten Chemical compound [Ni].[W] MOWMLACGTDMJRV-UHFFFAOYSA-N 0.000 description 1
JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
229910052763 palladium Inorganic materials 0.000 description 1
238000005453 pelletization Methods 0.000 description 1
230000000737 periodic effect Effects 0.000 description 1
229940066842 petrolatum Drugs 0.000 description 1
235000019271 petrolatum Nutrition 0.000 description 1
238000005504 petroleum refining Methods 0.000 description 1
229910052698 phosphorus Inorganic materials 0.000 description 1
239000011574 phosphorus Substances 0.000 description 1
150000003058 platinum compounds Chemical class 0.000 description 1
229920000058 polyacrylate Polymers 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
238000002203 pretreatment Methods 0.000 description 1
230000005855 radiation Effects 0.000 description 1
238000007142 ring opening reaction Methods 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
229910052710 silicon Inorganic materials 0.000 description 1
239000010703 silicon Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000012265 solid product Substances 0.000 description 1
241000894007 species Species 0.000 description 1
239000007858 starting material Substances 0.000 description 1
238000003756 stirring Methods 0.000 description 1
238000003786 synthesis reaction Methods 0.000 description 1
HWCKGOZZJDHMNC-UHFFFAOYSA-M tetraethylammonium bromide Chemical group [Br-].CC[N+](CC)(CC)CC HWCKGOZZJDHMNC-UHFFFAOYSA-M 0.000 description 1
230000009466 transformation Effects 0.000 description 1
238000004148 unit process Methods 0.000 description 1
238000005292 vacuum distillation Methods 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/58—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins
- C10G45/60—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used
- C10G45/64—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/10—Lubricating oil

Landscapes

Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Oil, Petroleum & Natural Gas (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Lubricants (AREA)

CA002045096A 1990-07-05 1991-06-20 Production de lubrifiants a indice eleve de viscosite Expired - Lifetime CA2045096C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US54870190A	1990-07-05	1990-07-05
US548,701		1990-07-05

Publications (2)

Publication Number	Publication Date
CA2045096A1 CA2045096A1 (fr)	1992-01-06
CA2045096C true CA2045096C (fr)	2000-08-29

Family

ID=24190035

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002045096A Expired - Lifetime CA2045096C (fr)	1990-07-05	1991-06-20	Production de lubrifiants a indice eleve de viscosite

Country Status (7)

Country	Link
EP (1)	EP0464546B1 (fr)
JP (1)	JP2954392B2 (fr)
KR (1)	KR0160780B1 (fr)
AU (1)	AU638336B2 (fr)
CA (1)	CA2045096C (fr)
DE (1)	DE69111315T2 (fr)
ES (1)	ES2077722T3 (fr)

Families Citing this family (120)

* Cited by examiner, † Cited by third party
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JP3651951B2 (ja) *	1994-02-08	2005-05-25	シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ	潤滑用ベース油の製造方法
EP0668342B1 (fr) *	1994-02-08	1999-08-04	Shell Internationale Researchmaatschappij B.V.	Procédé de préparation d'une huile lubrifiante de base
US6663768B1 (en)	1998-03-06	2003-12-16	Chevron U.S.A. Inc.	Preparing a HGH viscosity index, low branch index dewaxed
CN1078099C (zh) *	1998-04-03	2002-01-23	中国石油化工集团公司	一种含结晶硅铝酸盐沸石和贵金属的催化剂及其制备方法
US6398946B1 (en)	1999-12-22	2002-06-04	Chevron U.S.A., Inc.	Process for making a lube base stock from a lower molecular weight feedstock
US6294077B1 (en) *	2000-02-02	2001-09-25	Mobil Oil Corporation	Production of high viscosity lubricating oil stock with improved ZSM-5 catalyst
JP4723056B2 (ja) *	2000-05-17	2011-07-13	出光興産株式会社	潤滑油基油及びその製造方法
US6773578B1 (en)	2000-12-05	2004-08-10	Chevron U.S.A. Inc.	Process for preparing lubes with high viscosity index values
US6699385B2 (en)	2001-10-17	2004-03-02	Chevron U.S.A. Inc.	Process for converting waxy feeds into low haze heavy base oil
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US20070093398A1 (en)	2005-10-21	2007-04-26	Habeeb Jacob J	Two-stroke lubricating oils
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1991
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- 1991-06-20 CA CA002045096A patent/CA2045096C/fr not_active Expired - Lifetime
- 1991-06-24 DE DE69111315T patent/DE69111315T2/de not_active Expired - Lifetime
- 1991-06-24 EP EP91110352A patent/EP0464546B1/fr not_active Expired - Lifetime
- 1991-06-24 ES ES91110352T patent/ES2077722T3/es not_active Expired - Lifetime
- 1991-07-05 KR KR1019910011371A patent/KR0160780B1/ko not_active Expired - Lifetime
- 1991-07-05 JP JP3164881A patent/JP2954392B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA2045096A1 (fr)	1992-01-06
DE69111315D1 (de)	1995-08-24
KR0160780B1 (ko)	1998-12-15
EP0464546A1 (fr)	1992-01-08
DE69111315T2 (de)	1996-01-11
KR920002748A (ko)	1992-02-28
JPH04226593A (ja)	1992-08-17
ES2077722T3 (es)	1995-12-01
AU638336B2 (en)	1993-06-24
AU7910991A (en)	1992-01-09
JP2954392B2 (ja)	1999-09-27
EP0464546B1 (fr)	1995-07-19

Legal Events

Date	Code	Title	Description
1996-05-10	EEER	Examination request
2011-06-20	MKEX	Expiry

Publication	Publication Date	Title
CA2045096C (fr)	2000-08-29	Production de lubrifiants a indice eleve de viscosite
US6190532B1 (en)	2001-02-20	Production of high viscosity index lubricants
CA2045106C (fr)	2003-05-27	Production de lubrifiants a indice eleve de viscosite
US5885438A (en)	1999-03-23	Wax hydroisomerization process
US5976351A (en)	1999-11-02	Wax hydroisomerization process employing a boron-free catalyst
CA2399616C (fr)	2011-01-04	Production d'huile de base lubrifiante de grande viscosite utilisant un catalyseur zsm-5 ameliore
US5358628A (en)	1994-10-25	Production of high viscosity index lubricants
AU698961B2 (en)	1998-11-12	Wax hydroisomerization process
US5643440A (en)	1997-07-01	Production of high viscosity index lubricants
US6231749B1 (en)	2001-05-15	Production of high viscosity index lubricants
EP0675938B1 (fr)	1999-08-04	Production de lubrifiant par hydro-isomerisation de charges d'alimentation extraites par solvant
AU706864B2 (en)	1999-06-24	Wax hydroisomerization process
AU705654B2 (en)	1999-05-27	Wax hydroisomerization process