CA1117455A - Fabrication d'une huile lubrifiante - Google Patents
Fabrication d'une huile lubrifianteInfo
- Publication number
- CA1117455A CA1117455A CA000317918A CA317918A CA1117455A CA 1117455 A CA1117455 A CA 1117455A CA 000317918 A CA000317918 A CA 000317918A CA 317918 A CA317918 A CA 317918A CA 1117455 A CA1117455 A CA 1117455A
- Authority
- CA
- Canada
- Prior art keywords
- raffinate
- catalyst
- dewaxed
- dewaxing
- process according
- 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.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000003054 catalyst Substances 0.000 claims abstract description 28
- 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 25
- 239000010457 zeolite Substances 0.000 claims abstract description 25
- 230000003197 catalytic effect Effects 0.000 claims abstract description 20
- 239000002904 solvent Substances 0.000 claims abstract description 20
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 17
- 239000003921 oil Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 23
- 239000001257 hydrogen Substances 0.000 claims description 21
- 229910052739 hydrogen Inorganic materials 0.000 claims description 21
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 15
- 238000005984 hydrogenation reaction Methods 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 7
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 5
- 239000010779 crude oil Substances 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- KYYSIVCCYWZZLR-UHFFFAOYSA-N cobalt(2+);dioxido(dioxo)molybdenum Chemical group [Co+2].[O-][Mo]([O-])(=O)=O KYYSIVCCYWZZLR-UHFFFAOYSA-N 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- NLPVCCRZRNXTLT-UHFFFAOYSA-N dioxido(dioxo)molybdenum;nickel(2+) Chemical compound [Ni+2].[O-][Mo]([O-])(=O)=O NLPVCCRZRNXTLT-UHFFFAOYSA-N 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 238000007670 refining Methods 0.000 abstract description 2
- 239000002585 base Substances 0.000 description 20
- 239000000047 product Substances 0.000 description 17
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 14
- 239000001993 wax Substances 0.000 description 13
- 238000004821 distillation Methods 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000001354 calcination Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- 238000000638 solvent extraction Methods 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 150000002892 organic cations Chemical class 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- 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
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- JYIBXUUINYLWLR-UHFFFAOYSA-N aluminum;calcium;potassium;silicon;sodium;trihydrate Chemical compound O.O.O.[Na].[Al].[Si].[K].[Ca] JYIBXUUINYLWLR-UHFFFAOYSA-N 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 229910001603 clinoptilolite Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229910052675 erionite Inorganic materials 0.000 description 2
- 229910001657 ferrierite group Inorganic materials 0.000 description 2
- 210000002683 foot Anatomy 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 229910052677 heulandite Inorganic materials 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- SODQFLRLAOALCF-UHFFFAOYSA-N 1lambda3-bromacyclohexa-1,3,5-triene Chemical compound Br1=CC=CC=C1 SODQFLRLAOALCF-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001547870 Sida <angiosperm> Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- HPTYUNKZVDYXLP-UHFFFAOYSA-N aluminum;trihydroxy(trihydroxysilyloxy)silane;hydrate Chemical group O.[Al].[Al].O[Si](O)(O)O[Si](O)(O)O HPTYUNKZVDYXLP-UHFFFAOYSA-N 0.000 description 1
- -1 brewsterite Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- UNYSKUBLZGJSLV-UHFFFAOYSA-L calcium;1,3,5,2,4,6$l^{2}-trioxadisilaluminane 2,4-dioxide;dihydroxide;hexahydrate Chemical compound O.O.O.O.O.O.[OH-].[OH-].[Ca+2].O=[Si]1O[Al]O[Si](=O)O1.O=[Si]1O[Al]O[Si](=O)O1 UNYSKUBLZGJSLV-UHFFFAOYSA-L 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229910052676 chabazite Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910001649 dickite Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910001683 gmelinite Inorganic materials 0.000 description 1
- 229910052621 halloysite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 229910001711 laumontite Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052680 mordenite Inorganic materials 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- CMWTZPSULFXXJA-VIFPVBQESA-N naproxen Chemical compound C1=C([C@H](C)C(O)=O)C=CC2=CC(OC)=CC=C21 CMWTZPSULFXXJA-VIFPVBQESA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 229910052678 stilbite Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000010723 turbine oil Substances 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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)
- Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US862,460 | 1977-12-20 | ||
| US05/862,460 US4181598A (en) | 1977-07-20 | 1977-12-20 | Manufacture of lube base stock oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1117455A true CA1117455A (fr) | 1982-02-02 |
Family
ID=25338542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000317918A Expired CA1117455A (fr) | 1977-12-20 | 1978-12-14 | Fabrication d'une huile lubrifiante |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS54116005A (fr) |
| AU (1) | AU520921B2 (fr) |
| CA (1) | CA1117455A (fr) |
| DE (1) | DE2854258A1 (fr) |
| ES (1) | ES476120A1 (fr) |
| FR (1) | FR2412604B1 (fr) |
| GB (1) | GB2010321B (fr) |
| IT (1) | IT1102403B (fr) |
| ZA (1) | ZA787153B (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4222855A (en) * | 1979-03-26 | 1980-09-16 | Mobil Oil Corporation | Production of high viscosity index lubricating oil stock |
| US4259170A (en) * | 1979-09-14 | 1981-03-31 | Mobil Oil Corporation | Process for manufacturing lube base stocks |
| US4292166A (en) * | 1980-07-07 | 1981-09-29 | Mobil Oil Corporation | Catalytic process for manufacture of lubricating oils |
| JPS57100190A (en) * | 1980-12-09 | 1982-06-22 | Mobil Oil Corp | Lube base stock and manufacture of slate thereof |
| CA1188247A (fr) * | 1981-04-02 | 1985-06-04 | Nai Y. Chen | Obtention de fractions lubrifiantes naphteniques a partir du distillat brut par un procede combine d'hydrodeparaffinage-hydrogenation |
| CA1203225A (fr) * | 1981-08-07 | 1986-04-15 | Stephen M. Oleck | Deparaffinage et hydrotraitement d'hydrocarbures en deux etapes |
| JPS5924791A (ja) * | 1982-07-31 | 1984-02-08 | Toa Nenryo Kogyo Kk | 低流動点石油製品の製造方法 |
| EP0104807B1 (fr) * | 1982-09-28 | 1990-04-04 | Mobil Oil Corporation | Emploi de haute pression pour l'amélioration de la qualité de produit et l'augmentation de la longueur du cycle dans le déparaffinage catalytique des lubrifiants |
| GB8425837D0 (en) * | 1984-10-12 | 1984-11-21 | Shell Int Research | Manufacture of lubricating base oils |
| JPH07116453B2 (ja) * | 1987-06-06 | 1995-12-13 | 出光興産株式会社 | 流動パラフィンの製造方法 |
| EP1148112A3 (fr) * | 2000-04-19 | 2003-01-22 | Japan Energy Corporation | Huile de processus pour caoutchouc, huile de base à haute viscosité et procédé pour leur préparation |
| WO2006055306A1 (fr) * | 2004-11-15 | 2006-05-26 | Exxonmobil Research And Engineering Company | Procede de valorisation de lubrifiant visant a ameliorer les proprietes a basse temperature utilisant un deparaffinage au solvant suivi d’un hydrodeparaffinage sur un catalyseur |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3438887A (en) * | 1967-07-11 | 1969-04-15 | Texaco Inc | Production of lubricating oils |
| GB1242889A (en) * | 1968-11-07 | 1971-08-18 | British Petroleum Co | Improvements relating to the hydrocatalytic treatment of hydrocarbons |
| JPS514515B2 (fr) * | 1972-08-03 | 1976-02-12 | ||
| US3894938A (en) * | 1973-06-15 | 1975-07-15 | Mobil Oil Corp | Catalytic dewaxing of gas oils |
| CA1036527A (fr) * | 1973-07-06 | 1978-08-15 | Mobil Oil Corporation | Gas-oils catalytiques deparaffinants et autres agents d'hydrocraquage |
| US3968024A (en) * | 1973-07-06 | 1976-07-06 | Mobil Oil Corporation | Catalytic hydrodewaxing |
| CS191916B2 (en) * | 1973-08-09 | 1979-07-31 | Mobil Oil Corp | Method of producing aromatic hydrocarbons |
-
1978
- 1978-12-14 CA CA000317918A patent/CA1117455A/fr not_active Expired
- 1978-12-15 DE DE19782854258 patent/DE2854258A1/de active Granted
- 1978-12-19 AU AU42694/78A patent/AU520921B2/en not_active Expired
- 1978-12-19 ES ES476120A patent/ES476120A1/es not_active Expired
- 1978-12-19 IT IT31017/78A patent/IT1102403B/it active
- 1978-12-19 FR FR7835633A patent/FR2412604B1/fr not_active Expired
- 1978-12-20 ZA ZA787153A patent/ZA787153B/xx unknown
- 1978-12-20 JP JP15653478A patent/JPS54116005A/ja active Granted
- 1978-12-20 GB GB7849301A patent/GB2010321B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6115917B2 (fr) | 1986-04-26 |
| ES476120A1 (es) | 1979-04-16 |
| FR2412604B1 (fr) | 1985-06-07 |
| JPS54116005A (en) | 1979-09-10 |
| IT7831017A0 (it) | 1978-12-19 |
| DE2854258C2 (fr) | 1989-05-24 |
| DE2854258A1 (de) | 1979-06-21 |
| GB2010321A (en) | 1979-06-27 |
| GB2010321B (en) | 1982-04-07 |
| AU4269478A (en) | 1979-06-28 |
| IT1102403B (it) | 1985-10-07 |
| AU520921B2 (en) | 1982-03-04 |
| ZA787153B (en) | 1980-08-27 |
| FR2412604A1 (fr) | 1979-07-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |