FI85717C - Foerfarande foer att tillfoera zsm-5 innehaollande katalysator till katalytiska virvelbaeddkrackningsenheter. - Google Patents
Foerfarande foer att tillfoera zsm-5 innehaollande katalysator till katalytiska virvelbaeddkrackningsenheter. Download PDFInfo
- Publication number
- FI85717C FI85717C FI852737A FI852737A FI85717C FI 85717 C FI85717 C FI 85717C FI 852737 A FI852737 A FI 852737A FI 852737 A FI852737 A FI 852737A FI 85717 C FI85717 C FI 85717C
- Authority
- FI
- Finland
- Prior art keywords
- zsm
- catalyst
- weight
- zeolite
- octane
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 claims description 88
- 230000000694 effects Effects 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 23
- 239000010457 zeolite Substances 0.000 claims description 20
- 229910021536 Zeolite Inorganic materials 0.000 claims description 17
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 16
- 230000006872 improvement Effects 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 7
- 238000011160 research Methods 0.000 claims description 7
- 238000004523 catalytic cracking Methods 0.000 claims description 5
- 239000011230 binding agent Substances 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 230000001965 increasing effect Effects 0.000 claims description 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- 150000002910 rare earth metals Chemical class 0.000 claims description 2
- 230000009469 supplementation Effects 0.000 claims description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims 6
- ZJKABZNFELLAQQ-UHFFFAOYSA-N octane Chemical compound CCCCCCCC.CCCCCCCC ZJKABZNFELLAQQ-UHFFFAOYSA-N 0.000 description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 20
- 239000000654 additive Substances 0.000 description 18
- 230000000996 additive effect Effects 0.000 description 17
- 238000007792 addition Methods 0.000 description 12
- 238000005336 cracking Methods 0.000 description 12
- 239000000377 silicon dioxide Substances 0.000 description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 230000003197 catalytic effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 229910000323 aluminium silicate Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- -1 ZSM-5 Chemical compound 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000002178 crystalline material Substances 0.000 description 2
- 230000006735 deficit Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000004075 alteration 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
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000010724 circulating oil Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 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
- 238000013178 mathematical model Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G11/14—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts
- C10G11/18—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised-bed" technique
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/80—Mixtures of different zeolites
-
- 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
- C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G11/02—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils characterised by the catalyst used
- C10G11/04—Oxides
- C10G11/05—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
- C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G11/14—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts
- C10G11/18—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised-bed" technique
- C10G11/187—Controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/26—After treatment, characterised by the effect to be obtained to stabilize the total catalyst structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/30—After treatment, characterised by the means used
- B01J2229/36—Steaming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/30—After treatment, characterised by the means used
- B01J2229/42—Addition of matrix or binder particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
- B01J29/084—Y-type faujasite
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Catalysts (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62992284A | 1984-07-11 | 1984-07-11 | |
| US62992284 | 1984-07-11 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI852737A0 FI852737A0 (fi) | 1985-07-10 |
| FI852737L FI852737L (fi) | 1986-01-12 |
| FI85717B FI85717B (fi) | 1992-02-14 |
| FI85717C true FI85717C (fi) | 1992-05-25 |
Family
ID=24525033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI852737A FI85717C (fi) | 1984-07-11 | 1985-07-10 | Foerfarande foer att tillfoera zsm-5 innehaollande katalysator till katalytiska virvelbaeddkrackningsenheter. |
Country Status (15)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4927523A (en) * | 1988-12-12 | 1990-05-22 | Mobil Oil Corporation | Addition of shape selective zeolites to catalytic cracking units |
| GB9114390D0 (en) * | 1991-07-03 | 1991-08-21 | Shell Int Research | Hydrocarbon conversion process and catalyst composition |
| JP3444884B2 (ja) * | 1992-05-04 | 2003-09-08 | モービル・オイル・コーポレイション | 流動接触分解 |
| CN101001938B (zh) | 2004-08-10 | 2012-01-11 | 国际壳牌研究有限公司 | 由烃原料制备中间馏分产品和低级烯烃的方法和设备 |
| US7582203B2 (en) | 2004-08-10 | 2009-09-01 | Shell Oil Company | Hydrocarbon cracking process for converting gas oil preferentially to middle distillate and lower olefins |
| CA2684223A1 (en) | 2007-04-13 | 2008-10-23 | Shell International Research Maatschappij B.V. | Systems and methods for making a middle distillate product and lower olefins from a hydrocarbon feedstock |
| RU2548362C2 (ru) * | 2009-06-25 | 2015-04-20 | Чайна Петролеум & Кемикал Корпорейшн | Катализатор каталитического крекинга и способ повышения селективности катализатора(варианты) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3758403A (en) * | 1970-10-06 | 1973-09-11 | Mobil Oil | Olites catalytic cracking of hydrocarbons with mixture of zsm-5 and other ze |
| US4309279A (en) * | 1979-06-21 | 1982-01-05 | Mobil Oil Corporation | Octane and total yield improvement in catalytic cracking |
| ZA803517B (en) * | 1979-06-21 | 1981-06-24 | Mobil Oil Corp | Octane improvement in catalytic cracking |
| US4309280A (en) * | 1980-07-18 | 1982-01-05 | Mobil Oil Corporation | Promotion of cracking catalyst octane yield performance |
-
1985
- 1985-06-17 IN IN447/MAS/85A patent/IN165201B/en unknown
- 1985-06-19 EP EP85304367A patent/EP0168979B1/en not_active Expired
- 1985-06-19 AT AT85304367T patent/ATE45175T1/de not_active IP Right Cessation
- 1985-06-19 DE DE8585304367T patent/DE3572002D1/de not_active Expired
- 1985-06-25 AU AU44137/85A patent/AU571704B2/en not_active Ceased
- 1985-06-26 ZA ZA854825A patent/ZA854825B/xx unknown
- 1985-06-27 CA CA000485555A patent/CA1252411A/en not_active Expired
- 1985-07-04 MA MA20707A patent/MA20482A1/fr unknown
- 1985-07-08 GR GR851686A patent/GR851686B/el unknown
- 1985-07-09 ES ES544990A patent/ES8700683A1/es not_active Expired
- 1985-07-10 TR TR31755/85A patent/TR22322A/xx unknown
- 1985-07-10 FI FI852737A patent/FI85717C/fi not_active IP Right Cessation
- 1985-07-10 AR AR85300936A patent/AR243584A1/es active
- 1985-07-10 PT PT80795A patent/PT80795B/pt not_active IP Right Cessation
- 1985-07-11 JP JP15147285A patent/JPS6140397A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GR851686B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1985-11-26 |
| ATE45175T1 (de) | 1989-08-15 |
| PT80795B (pt) | 1987-09-18 |
| TR22322A (tr) | 1987-02-10 |
| EP0168979B1 (en) | 1989-08-02 |
| JPS6140397A (ja) | 1986-02-26 |
| JPH0583594B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-11-26 |
| FI85717B (fi) | 1992-02-14 |
| ES544990A0 (es) | 1986-10-16 |
| AR243584A1 (es) | 1993-08-31 |
| EP0168979A3 (en) | 1986-12-10 |
| CA1252411A (en) | 1989-04-11 |
| FI852737A0 (fi) | 1985-07-10 |
| EP0168979A2 (en) | 1986-01-22 |
| PT80795A (en) | 1985-08-01 |
| AU4413785A (en) | 1986-01-16 |
| MA20482A1 (fr) | 1986-04-01 |
| ES8700683A1 (es) | 1986-10-16 |
| IN165201B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-08-26 |
| FI852737L (fi) | 1986-01-12 |
| DE3572002D1 (en) | 1989-09-07 |
| AU571704B2 (en) | 1988-04-21 |
| ZA854825B (en) | 1987-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4927523A (en) | Addition of shape selective zeolites to catalytic cracking units | |
| CN1315992C (zh) | 用改性的中孔磷铝酸盐材料进行催化裂解的方法 | |
| US5658454A (en) | Hydrocarbon coversion using improved zeolite Beta catalyst | |
| US5231064A (en) | Cracking catalysts comprising phosphorus and method of preparing and using the same | |
| US4724067A (en) | Stabilized and dealuminated omega zeolite | |
| US5601699A (en) | Method for cracking hydrocarbons | |
| US4415438A (en) | Method for catalytically converting residual oils | |
| US6923903B2 (en) | Gasoline sulfur reduction in fluid catalytic cracking | |
| US20090216058A1 (en) | Catalytic Cracking | |
| EP0726807B1 (en) | Modified microsphere fcc catalysts | |
| US20020153282A1 (en) | Gaseoline sulfur reduction in fluid catalytic cracking | |
| JP2008518760A (ja) | 流動式接触反応装置における軽質オレフィン用およびｌｐｇ用触媒 | |
| FI85717C (fi) | Foerfarande foer att tillfoera zsm-5 innehaollande katalysator till katalytiska virvelbaeddkrackningsenheter. | |
| EP0403141A1 (en) | Improved cracking catalyst and process | |
| EP2874745B1 (en) | Catalysts for thermo-catalytic conversion of biomass, and methods of making and using | |
| RU2407776C2 (ru) | Способ получения легких олефинов из углеводородного исходного сырья | |
| EP0541191A2 (en) | Improved zeolite octane additive | |
| FR2794116A1 (fr) | Zeolithe im-5 au phosphore, composition catalytique, sa preparation et son utilisation en craquage catalytique | |
| GB2145345A (en) | Dual function cracking catalyst (dfcc) composition | |
| MXPA02006201A (es) | Un aluminofosfato meso-poroso, modificado, termicamente estable, de alta area superficial. | |
| CA1269630A (en) | CATALYTIC CRACKING OF PARAFINIC FEEDSTOCKS WITH ZEOLITE .beta. | |
| WO2014207756A1 (en) | Fcc catalyst additive and a method for its preparation | |
| RU2365409C1 (ru) | Катализатор для глубокого крекинга нефтяных фракций и способ его приготовления | |
| US5472922A (en) | Manufacture of improved catalyst | |
| SA116370868B1 (ar) | تركيبة وعملية لتحضير عامل حفاز للتكسير مناسبة لتعزيز الغلات من الأولفينات الخفيفة |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Owner name: MOBIL OIL CORP |
|
| MA | Patent expired |