DE2103562A1 - Verfahren und Vorrichtung zur katalytischen Umwandlung von Erdöl kohlenwasserstoffen - Google Patents
Verfahren und Vorrichtung zur katalytischen Umwandlung von Erdöl kohlenwasserstoffenInfo
- Publication number
- DE2103562A1 DE2103562A1 DE19712103562 DE2103562A DE2103562A1 DE 2103562 A1 DE2103562 A1 DE 2103562A1 DE 19712103562 DE19712103562 DE 19712103562 DE 2103562 A DE2103562 A DE 2103562A DE 2103562 A1 DE2103562 A1 DE 2103562A1
- Authority
- DE
- Germany
- Prior art keywords
- regeneration
- catalyst
- reactor
- gas
- vessel
- 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
- 238000006243 chemical reaction Methods 0.000 title claims description 41
- 238000000034 method Methods 0.000 title claims description 40
- 239000003208 petroleum Substances 0.000 title claims description 28
- 230000008569 process Effects 0.000 title claims description 25
- 230000003197 catalytic effect Effects 0.000 title claims description 9
- 229930195733 hydrocarbon Natural products 0.000 title description 7
- 150000002430 hydrocarbons Chemical class 0.000 title description 7
- 239000003054 catalyst Substances 0.000 claims description 112
- 230000008929 regeneration Effects 0.000 claims description 87
- 238000011069 regeneration method Methods 0.000 claims description 87
- 239000007789 gas Substances 0.000 claims description 55
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 7
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- 239000000470 constituent Substances 0.000 claims description 4
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- 238000005120 petroleum cracking Methods 0.000 claims 2
- 239000000571 coke Substances 0.000 description 37
- 239000003921 oil Substances 0.000 description 34
- 230000000694 effects Effects 0.000 description 13
- 238000005336 cracking Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 8
- 239000012084 conversion product Substances 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 5
- 238000005243 fluidization Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002808 molecular sieve Substances 0.000 description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 5
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000004523 catalytic cracking Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000011949 solid catalyst Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000001914 calming effect Effects 0.000 description 3
- 239000010724 circulating oil Substances 0.000 description 3
- 208000012839 conversion disease Diseases 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000004231 fluid catalytic cracking Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000003870 refractory metal Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 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
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229910052676 chabazite Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000012013 faujasite Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- -1 hydrogen ions Chemical class 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
Classifications
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
- B01J8/28—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations the one above the other
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1845—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with particles moving upwards while fluidised
- B01J8/1863—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with particles moving upwards while fluidised followed by a downward movement outside the reactor and subsequently re-entering it
-
- 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
- C10G11/182—Regeneration
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Cyclones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US577770A | 1970-01-26 | 1970-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2103562A1 true DE2103562A1 (de) | 1971-08-12 |
Family
ID=21717696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712103562 Pending DE2103562A1 (de) | 1970-01-26 | 1971-01-26 | Verfahren und Vorrichtung zur katalytischen Umwandlung von Erdöl kohlenwasserstoffen |
Country Status (7)
Families Citing this family (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3784360A (en) * | 1971-09-20 | 1974-01-08 | Texaco Inc | Fluid catalytic cracking |
| GB1434111A (en) * | 1972-06-29 | 1976-05-05 | Texaco Development Corp | Continuous fluidised catalytic cracking process |
| US3926778A (en) * | 1972-12-19 | 1975-12-16 | Mobil Oil Corp | Method and system for controlling the activity of a crystalline zeolite cracking catalyst |
| US3926843A (en) * | 1973-03-26 | 1975-12-16 | Mobil Oil Corp | Fcc ' 'multi-stage regeneration procedure |
| US3970587A (en) * | 1973-07-18 | 1976-07-20 | Mobil Oil Corporation | Combustion regeneration of hydrocarbon conversion catalyst with recycle of high temperature regenerated catalyst |
| US3890111A (en) * | 1974-02-21 | 1975-06-17 | Exxon Research Engineering Co | Transfer line burner system using low oxygen content gas |
| US3996013A (en) * | 1974-03-18 | 1976-12-07 | Exxon Research And Engineering Company | Catalytic hydrocarbon conversion apparatus |
| US3902990A (en) * | 1974-03-18 | 1975-09-02 | Exxon Research Engineering Co | Catalyst regeneration process and apparatus |
| US4136061A (en) * | 1976-08-27 | 1979-01-23 | Phillips Petroleum Company | Continuous, multiple zone fluidized bed for particle treater |
| US4135889A (en) * | 1976-12-20 | 1979-01-23 | University Of Utah | Single stage, coal gasification reactor |
| JPS5824687B2 (ja) * | 1977-03-26 | 1983-05-23 | 株式会社日立製作所 | 排出ガス中の残存一酸化炭素低減方法および装置 |
| US4273565A (en) * | 1978-05-05 | 1981-06-16 | Exxon Research & Engineering Co. | Cyclone support |
| US4260298A (en) * | 1979-05-17 | 1981-04-07 | The Ducon Company, Inc. | Control of solids discharge from pressurized vessel |
| US4444651A (en) * | 1979-11-14 | 1984-04-24 | Ashland Oil, Inc. | Carbo-metallic oil conversion with controlled CO:CO2 ratio in multistage regeneration |
| US4536281A (en) * | 1981-05-05 | 1985-08-20 | Ashland Oil, Inc. | Large pore catalysts for heavy hydrocarbon conversion |
| US4432863A (en) * | 1981-07-20 | 1984-02-21 | Ashland Oil, Inc. | Steam reforming of carbo-metallic oils |
| US4464250A (en) * | 1981-07-30 | 1984-08-07 | Ashland Oil, Inc. | Stripping hydrocarbons from catalyst with combustion gases |
| US4422925A (en) * | 1981-12-28 | 1983-12-27 | Texaco Inc. | Catalytic cracking |
| US4414100A (en) * | 1981-12-29 | 1983-11-08 | Chevron Research Company | Fluidized catalytic cracking |
| US4556540A (en) * | 1982-05-17 | 1985-12-03 | Ashland Oil, Inc. | Separation of regenerated catalyst from combustion products |
| US4477335A (en) * | 1982-05-17 | 1984-10-16 | Ashland Oil, Inc. | Separation of regenerated catalyst from combustion products |
| US4446107A (en) * | 1982-05-26 | 1984-05-01 | Mobil Oil Corporation | Improved FCC vessel and cyclone apparatus |
| US4404095A (en) * | 1982-07-22 | 1983-09-13 | Mobil Oil Corporation | Method and means for separating gaseous materials from finely divided catalyst particles |
| US4457896A (en) * | 1982-08-02 | 1984-07-03 | Institute Of Gas Technology | Apparatus and process for fluidized solids systems |
| US4780195A (en) * | 1983-07-25 | 1988-10-25 | Ashland Oil, Inc. | Addition of water to regeneration air |
| US4579716A (en) * | 1983-09-06 | 1986-04-01 | Mobil Oil Corporation | Closed reactor FCC system with provisions for surge capacity |
| US4749471A (en) * | 1983-09-06 | 1988-06-07 | Mobil Oil Corporation | Closed FCC cyclone process |
| US4581205A (en) * | 1983-09-06 | 1986-04-08 | Mobil Oil Corporation | Closed cyclone FCC system with provisions for surge capacity |
| US4588558A (en) * | 1983-09-06 | 1986-05-13 | Mobil Oil Corporation | Closed FCC cyclone system |
| US4481103A (en) * | 1983-10-19 | 1984-11-06 | Mobil Oil Corporation | Fluidized catalytic cracking process with long residence time steam stripper |
| US5055177A (en) * | 1984-05-21 | 1991-10-08 | Mobil Oil Corporation | Closed cyclone FCC catalyst separation method and apparatus |
| US4654060A (en) * | 1984-05-21 | 1987-03-31 | Mobil Oil Corporation | Closed cyclone FCC catalyst separation method and apparatus |
| US4502947A (en) * | 1984-05-21 | 1985-03-05 | Mobil Oil Corporation | Closed cyclone FCC catalyst separation method and apparatus |
| US5039397A (en) * | 1984-05-21 | 1991-08-13 | Mobil Oil Corporation | Closed cyclone FCC catalyst separation method and apparatus |
| US4623446A (en) * | 1984-05-21 | 1986-11-18 | Mobil Oil Corporation | Closed cyclone FCC catalyst separation with stripping gas injection and direct steam injection |
| US4909993A (en) * | 1984-05-21 | 1990-03-20 | Mobil Oil Corporation | Closed cyclone FCC catalyst separation apparatus |
| US4737346A (en) * | 1984-05-21 | 1988-04-12 | Mobil Oil Corporation | Closed cyclone FCC catalyst separation with stripping gas injection and direct steam injection |
| US4741883A (en) * | 1984-07-18 | 1988-05-03 | Mobil Oil Corp. | FCC catalyst separation apparatus |
| US4927527A (en) * | 1984-07-18 | 1990-05-22 | Mobil Oil Corporation | Method for reducing overcracking during FCC catalyst separation |
| US4629552A (en) * | 1984-07-18 | 1986-12-16 | Mobil Oil Corporation | FCC catalyst separation method |
| US4605491A (en) * | 1984-07-18 | 1986-08-12 | Mobil Oil Corporation | FCC catalyst stripping method |
| GB2166662A (en) * | 1984-11-09 | 1986-05-14 | Shell Int Research | Separating hydrocarbon products from catalyst particles |
| US4778658A (en) * | 1985-04-04 | 1988-10-18 | Phillips Petroleum Company | Method and apparatus for contacting fluid feed materials with fluidized solids |
| US4729825A (en) * | 1985-04-04 | 1988-03-08 | Phillips Petroleum Company | Method and apparatus for contacting feed materials with fluidized solids |
| US5234578A (en) | 1988-08-26 | 1993-08-10 | Uop | Fluidized catalytic cracking process utilizing a high temperature reactor |
| US5032252A (en) * | 1990-04-27 | 1991-07-16 | Mobil Oil Corporation | Process and apparatus for hot catalyst stripping in a bubbling bed catalyst regenerator |
| CA2052709C (en) * | 1990-11-30 | 2002-12-17 | Ting Y. Chan | Apparatus for withdrawing stripper gas from an fccu reactor vessel |
| US5260239A (en) * | 1992-12-18 | 1993-11-09 | Exxon Research & Engineering Company | External catalyst rejuvenation system for the hydrocarbon synthesis process |
| GB0204140D0 (en) | 2002-02-22 | 2002-04-10 | Bp Chem Int Ltd | Production of olefins |
| JP5308797B2 (ja) | 2007-12-11 | 2013-10-09 | 住友化学株式会社 | オレフィン重合反応装置、ポリオレフィン製造システム、及び、ポリオレフィン製造方法 |
| JP5308795B2 (ja) | 2007-12-11 | 2013-10-09 | 住友化学株式会社 | ポリオレフィン製造方法、並びに、噴流層装置を備えたポリオレフィン製造システム |
| JP5308794B2 (ja) | 2007-12-11 | 2013-10-09 | 住友化学株式会社 | 噴流層装置を用いたポリオレフィン製造方法 |
| JP5249730B2 (ja) | 2007-12-11 | 2013-07-31 | 住友化学株式会社 | オレフィン重合反応装置及びポリオレフィン製造方法 |
| JP5427396B2 (ja) * | 2007-12-11 | 2014-02-26 | 住友化学株式会社 | 粉体移送装置、及び、ポリオレフィンの製造方法 |
| JP5545800B2 (ja) | 2009-06-08 | 2014-07-09 | 住友化学株式会社 | 噴流−流動層型オレフィン重合反応装置、ポリオレフィン製造システム、及び、ポリオレフィン製造方法 |
| JP6902337B2 (ja) | 2016-08-03 | 2021-07-14 | 住友化学株式会社 | ヘテロファジックプロピレン重合材料の製造方法 |
| US11266966B2 (en) * | 2017-12-21 | 2022-03-08 | Uop Llc | Process and apparatus for fluidizing a catalyst bed |
-
1970
- 1970-01-26 US US5777A patent/US3661799A/en not_active Expired - Lifetime
-
1971
- 1971-01-25 CA CA103,539A patent/CA978925A/en not_active Expired
- 1971-01-26 DE DE19712103562 patent/DE2103562A1/de active Pending
- 1971-01-26 FR FR7102530A patent/FR2077340A1/fr not_active Withdrawn
- 1971-01-26 NL NL7101024A patent/NL7101024A/xx unknown
- 1971-01-26 BE BE762061A patent/BE762061A/xx unknown
- 1971-01-27 GB GB333173A patent/GB1351624A/en not_active Expired
- 1971-04-19 GB GB2038171A patent/GB1351623A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1351623A (en) | 1974-05-01 |
| CA978925A (en) | 1975-12-02 |
| GB1351624A (en) | 1974-05-01 |
| US3661799A (en) | 1972-05-09 |
| BE762061A (fr) | 1971-07-01 |
| FR2077340A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-10-22 |
| NL7101024A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1971-07-28 |
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