DE2043849A1 - Verfahren zur Herstellung von Schmieröl - Google Patents
Verfahren zur Herstellung von SchmierölInfo
- Publication number
- DE2043849A1 DE2043849A1 DE19702043849 DE2043849A DE2043849A1 DE 2043849 A1 DE2043849 A1 DE 2043849A1 DE 19702043849 DE19702043849 DE 19702043849 DE 2043849 A DE2043849 A DE 2043849A DE 2043849 A1 DE2043849 A1 DE 2043849A1
- Authority
- DE
- Germany
- Prior art keywords
- approx
- stage
- lubricating oil
- hydrocracking
- weight
- Prior art date
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 27
- 239000010687 lubricating oil Substances 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000003054 catalyst Substances 0.000 claims description 38
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 28
- 238000005984 hydrogenation reaction Methods 0.000 claims description 23
- 239000003921 oil Substances 0.000 claims description 22
- 238000004517 catalytic hydrocracking Methods 0.000 claims description 21
- 239000007858 starting material Substances 0.000 claims description 17
- 229910052810 boron oxide Inorganic materials 0.000 claims description 14
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 13
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 13
- 229930195733 hydrocarbon Natural products 0.000 claims description 13
- 150000002430 hydrocarbons Chemical class 0.000 claims description 13
- 239000011733 molybdenum Substances 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 13
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 13
- 239000010937 tungsten Substances 0.000 claims description 13
- 239000004215 Carbon black (E152) Substances 0.000 claims description 12
- 229910052721 tungsten Inorganic materials 0.000 claims description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims description 10
- 238000009835 boiling Methods 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910000476 molybdenum oxide Inorganic materials 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 125000000101 thioether group Chemical group 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 2
- 239000011707 mineral Substances 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 7
- 150000002739 metals Chemical class 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 230000003197 catalytic effect Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 5
- 150000004763 sulfides Chemical class 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- NLPVCCRZRNXTLT-UHFFFAOYSA-N dioxido(dioxo)molybdenum;nickel(2+) Chemical compound [Ni+2].[O-][Mo]([O-])(=O)=O NLPVCCRZRNXTLT-UHFFFAOYSA-N 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 239000010688 mineral lubricating oil Substances 0.000 description 4
- -1 thio tungstate Chemical compound 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- FDTUSPNGYPXVIO-UHFFFAOYSA-N [B+]=O.[O-2].[Al+3].[O-2] Chemical compound [B+]=O.[O-2].[Al+3].[O-2] FDTUSPNGYPXVIO-UHFFFAOYSA-N 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- GXOMMGAFBINOJY-SLINCCQESA-M dicloxacillin sodium Chemical compound [Na+].N([C@@H]1C(N2[C@H](C(C)(C)S[C@@H]21)C([O-])=O)=O)C(=O)C1=C(C)ON=C1C1=C(Cl)C=CC=C1Cl GXOMMGAFBINOJY-SLINCCQESA-M 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- CXVCSRUYMINUSF-UHFFFAOYSA-N tetrathiomolybdate(2-) Chemical compound [S-][Mo]([S-])(=S)=S CXVCSRUYMINUSF-UHFFFAOYSA-N 0.000 description 2
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 2
- 229910001930 tungsten oxide Inorganic materials 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229910003294 NiMo Inorganic materials 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect 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
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- UOUJSJZBMCDAEU-UHFFFAOYSA-N chromium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Cr+3].[Cr+3] UOUJSJZBMCDAEU-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- KYYSIVCCYWZZLR-UHFFFAOYSA-N cobalt(2+);dioxido(dioxo)molybdenum Chemical compound [Co+2].[O-][Mo]([O-])(=O)=O KYYSIVCCYWZZLR-UHFFFAOYSA-N 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical class [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- QLTKZXWDJGMCAR-UHFFFAOYSA-N dioxido(dioxo)tungsten;nickel(2+) Chemical compound [Ni+2].[O-][W]([O-])(=O)=O QLTKZXWDJGMCAR-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000010690 paraffinic oil Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 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
- C10G47/00—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions
- C10G47/02—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used
- C10G47/10—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used with catalysts deposited on a carrier
- C10G47/12—Inorganic carriers
-
- 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)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US85573769A | 1969-09-05 | 1969-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2043849A1 true DE2043849A1 (de) | 1971-03-11 |
Family
ID=25321960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702043849 Pending DE2043849A1 (de) | 1969-09-05 | 1970-09-04 | Verfahren zur Herstellung von Schmieröl |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3642610A (enExample) |
| JP (1) | JPS5035925B1 (enExample) |
| BE (1) | BE754805A (enExample) |
| BR (1) | BR7018882D0 (enExample) |
| CA (1) | CA1016485A (enExample) |
| DE (1) | DE2043849A1 (enExample) |
| FR (1) | FR2060411B1 (enExample) |
| GB (1) | GB1280923A (enExample) |
| NL (1) | NL7011761A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2209577A1 (de) * | 1971-11-22 | 1973-05-30 | Exxon Research Engineering Co | Herstellung von schmieroelen mit hohem viskositaetsindex |
| FR2487220A1 (fr) * | 1980-07-23 | 1982-01-29 | Shell France | Catalyseur et procede pour la preparation d'une huile lubrifiante a partir d'une fraction d'huile minerale a point d'ebullition eleve |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3870622A (en) * | 1971-09-09 | 1975-03-11 | Texaco Inc | Hydrogenation of a hydrocracked lubricating oil |
| US4196408A (en) * | 1974-01-14 | 1980-04-01 | Rte Corporation | High temperature transformer assembly |
| US3993557A (en) * | 1974-03-27 | 1976-11-23 | Pine Lloyd A | Hydrocarbon conversion process employing boria-alumina compositions |
| US4082866A (en) * | 1975-07-28 | 1978-04-04 | Rte Corporation | Method of use and electrical equipment utilizing insulating oil consisting of a saturated hydrocarbon oil |
| US4238316A (en) * | 1978-07-06 | 1980-12-09 | Atlantic Richfield Company | Two-stage catalytic process to produce lubricating oils |
| US4264461A (en) * | 1978-11-24 | 1981-04-28 | Atlantic Richfield Company | Stabilization of hydrocracked oils with aliphatic amine components |
| US4306985A (en) * | 1979-02-14 | 1981-12-22 | Atlantic Richfield Company | Stabilization of hydrocracked oils with certain nitrogen containing aromatic components and phenolic components |
| US4234434A (en) * | 1979-02-14 | 1980-11-18 | Atlantic Richfield Company | Stabilization of hydrocracked oils with certain nitrogen-containing aromatic components |
| US4294687A (en) * | 1979-12-26 | 1981-10-13 | Atlantic Richfield Company | Lubricating oil process |
| US4263127A (en) * | 1980-01-07 | 1981-04-21 | Atlantic Richfield Company | White oil process |
| US4325804A (en) * | 1980-11-17 | 1982-04-20 | Atlantic Richfield Company | Process for producing lubricating oils and white oils |
| US4699707A (en) * | 1985-09-25 | 1987-10-13 | Union Oil Company Of California | Process for producing lubrication oil of high viscosity index from shale oils |
| US4744884A (en) * | 1985-09-25 | 1988-05-17 | Union Oil Company Of California | Process for producing lubrication oil of high viscosity index |
| US4627908A (en) * | 1985-10-24 | 1986-12-09 | Chevron Research Company | Process for stabilizing lube base stocks derived from bright stock |
| GB8629476D0 (en) * | 1986-12-10 | 1987-01-21 | Shell Int Research | Manufacture of lubricating base oils |
| US5026472A (en) * | 1989-12-29 | 1991-06-25 | Uop | Hydrocracking process with integrated distillate product hydrogenation reactor |
| US9803148B2 (en) | 2011-07-29 | 2017-10-31 | Saudi Arabian Oil Company | Hydrocracking process with interstage steam stripping |
| US8927796B2 (en) * | 2012-09-13 | 2015-01-06 | Chevron U.S.A. Inc. | Base oil upgrading by co-feeding a ketone or beta-keto-ester feedstock |
| US10882030B2 (en) * | 2017-08-25 | 2021-01-05 | Uop Llc | Crystalline transition metal tungstate |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2779713A (en) * | 1955-10-10 | 1957-01-29 | Texas Co | Process for improving lubricating oils by hydro-refining in a first stage and then hydrofinishing under milder conditions |
| US2917448A (en) * | 1956-11-15 | 1959-12-15 | Gulf Research Development Co | Hydrogenation and distillation of lubricating oils |
| NL144326B (nl) * | 1965-03-31 | 1974-12-16 | Shell Int Research | Werkwijze voor het hydrogenerend kraken van een koolwaterstofolie. |
| US3506565A (en) * | 1968-07-31 | 1970-04-14 | Chevron Res | Process for the production of high viscosity index lubricating oils |
-
0
- BE BE754805D patent/BE754805A/xx not_active IP Right Cessation
-
1969
- 1969-09-05 US US855737A patent/US3642610A/en not_active Expired - Lifetime
-
1970
- 1970-03-16 CA CA077,528A patent/CA1016485A/en not_active Expired
- 1970-05-08 BR BR218882/70A patent/BR7018882D0/pt unknown
- 1970-05-21 GB GB24752/70A patent/GB1280923A/en not_active Expired
- 1970-06-02 JP JP45047000A patent/JPS5035925B1/ja active Pending
- 1970-08-10 NL NL7011761A patent/NL7011761A/xx unknown
- 1970-08-12 FR FR7029668A patent/FR2060411B1/fr not_active Expired
- 1970-09-04 DE DE19702043849 patent/DE2043849A1/de active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2209577A1 (de) * | 1971-11-22 | 1973-05-30 | Exxon Research Engineering Co | Herstellung von schmieroelen mit hohem viskositaetsindex |
| FR2487220A1 (fr) * | 1980-07-23 | 1982-01-29 | Shell France | Catalyseur et procede pour la preparation d'une huile lubrifiante a partir d'une fraction d'huile minerale a point d'ebullition eleve |
Also Published As
| Publication number | Publication date |
|---|---|
| BR7018882D0 (pt) | 1973-02-27 |
| NL7011761A (enExample) | 1971-03-09 |
| FR2060411A1 (enExample) | 1971-06-18 |
| JPS5035925B1 (enExample) | 1975-11-20 |
| BE754805A (fr) | 1971-02-15 |
| CA1016485A (en) | 1977-08-30 |
| FR2060411B1 (enExample) | 1973-11-23 |
| US3642610A (en) | 1972-02-15 |
| GB1280923A (en) | 1972-07-12 |
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