SE453965B - Forfarande for framstellning av en aluminium-bor-silikatkatalysator - Google Patents
Forfarande for framstellning av en aluminium-bor-silikatkatalysatorInfo
- Publication number
- SE453965B SE453965B SE8502661A SE8502661A SE453965B SE 453965 B SE453965 B SE 453965B SE 8502661 A SE8502661 A SE 8502661A SE 8502661 A SE8502661 A SE 8502661A SE 453965 B SE453965 B SE 453965B
- Authority
- SE
- Sweden
- Prior art keywords
- catalyst
- mixture
- aluminum
- temperature
- range
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims description 40
- 238000000034 method Methods 0.000 title claims description 14
- 238000002360 preparation method Methods 0.000 title claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 229910001868 water Inorganic materials 0.000 claims description 10
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 claims description 9
- 150000001768 cations Chemical class 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 4
- 125000001477 organic nitrogen group Chemical group 0.000 claims description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000011541 reaction mixture Substances 0.000 claims description 3
- 229910052810 boron oxide Inorganic materials 0.000 claims description 2
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- NHGXDBSUJJNIRV-UHFFFAOYSA-M tetrabutylammonium chloride Chemical compound [Cl-].CCCC[N+](CCCC)(CCCC)CCCC NHGXDBSUJJNIRV-UHFFFAOYSA-M 0.000 claims 2
- NTBFFBQCOSKCJG-UHFFFAOYSA-N 3,4,4-triethylhexan-3-ylazanium;chloride Chemical group [Cl-].CCC([NH3+])(CC)C(CC)(CC)CC NTBFFBQCOSKCJG-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- DJPURDPSZFLWGC-UHFFFAOYSA-N alumanylidyneborane Chemical compound [Al]#B DJPURDPSZFLWGC-UHFFFAOYSA-N 0.000 claims 1
- FBEVECUEMUUFKM-UHFFFAOYSA-M tetrapropylazanium;chloride Chemical group [Cl-].CCC[N+](CCC)(CCC)CCC FBEVECUEMUUFKM-UHFFFAOYSA-M 0.000 claims 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 33
- 238000005804 alkylation reaction Methods 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000029936 alkylation Effects 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 5
- FVJVAGSQQNKTJZ-UHFFFAOYSA-N [B+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [B+3].[Al+3].[O-][Si]([O-])([O-])[O-] FVJVAGSQQNKTJZ-UHFFFAOYSA-N 0.000 description 5
- 229910052796 boron Inorganic materials 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- -1 alkali metal cations Chemical class 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- HYFLWBNQFMXCPA-UHFFFAOYSA-N 1-ethyl-2-methylbenzene Chemical compound CCC1=CC=CC=C1C HYFLWBNQFMXCPA-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 2
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- 239000002168 alkylating agent Substances 0.000 description 2
- 229940100198 alkylating agent Drugs 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 150000002892 organic cations Chemical class 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 102000014824 Crystallins Human genes 0.000 description 1
- 108010064003 Crystallins Proteins 0.000 description 1
- 201000004624 Dermatitis Diseases 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 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
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 150000001454 anthracenes Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 208000010668 atopic eczema Diseases 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000012050 conventional carrier Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000006203 ethylation Effects 0.000 description 1
- 238000006200 ethylation reaction Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000011987 methylation Effects 0.000 description 1
- 238000007069 methylation reaction Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002790 naphthalenes Chemical class 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- CBXCPBUEXACCNR-UHFFFAOYSA-N tetraethylammonium Chemical group CC[N+](CC)(CC)CC CBXCPBUEXACCNR-UHFFFAOYSA-N 0.000 description 1
- OSBSFAARYOCBHB-UHFFFAOYSA-N tetrapropylammonium Chemical group CCC[N+](CCC)(CCC)CCC OSBSFAARYOCBHB-UHFFFAOYSA-N 0.000 description 1
- BGQMOFGZRJUORO-UHFFFAOYSA-M tetrapropylammonium bromide Chemical compound [Br-].CCC[N+](CCC)(CCC)CCC BGQMOFGZRJUORO-UHFFFAOYSA-M 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/54—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring
- C07C2/64—Addition to a carbon atom of a six-membered aromatic ring
- C07C2/66—Catalytic processes
-
- 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
- B01J29/86—Borosilicates; Aluminoborosilicates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/86—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
- C07C2/862—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms
- C07C2/864—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms the non-hydrocarbon is an alcohol
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2529/00—Catalysts comprising molecular sieves
- C07C2529/86—Borosilicates; Aluminoborosilicates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI833788A FI76005C (fi) | 1983-10-17 | 1983-10-17 | Aluminium-bor-silikatkatalysator, foerfarande foer framstaellning av denna och alkyleringsprocess. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8502661L SE8502661L (sv) | 1985-05-30 |
| SE8502661D0 SE8502661D0 (sv) | 1985-05-30 |
| SE453965B true SE453965B (sv) | 1988-03-21 |
Family
ID=8517932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8502661A SE453965B (sv) | 1983-10-17 | 1985-05-30 | Forfarande for framstellning av en aluminium-bor-silikatkatalysator |
Country Status (14)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4714781A (en) * | 1986-03-27 | 1987-12-22 | Hoechst Celanese Corporation | Process for producing 4-ring-substituted phenyl lower alkyl ketones |
| IT1213366B (it) * | 1986-10-22 | 1989-12-20 | Eniricerche Spa | Procedimento per la condensazione tra composti aromatici e carbonilici. |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4029716A (en) * | 1975-12-08 | 1977-06-14 | Mobil Oil Corporation | Selective production of para-xylene |
| DE2830787B2 (de) * | 1978-07-13 | 1981-02-19 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von stickstoffhaltigen kirstallinen Metallsilikaten mit Zeolithstniktur |
| CA1135286A (en) * | 1978-12-14 | 1982-11-09 | Mobil Oil Corporation | Alkylation of aromatic hydrocarbons |
| DE2909929A1 (de) * | 1979-03-14 | 1980-09-25 | Basf Ag | Verfahren zur herstellung eines zeolithen vom strukturtyp zsm-5 |
| US4264473A (en) * | 1980-01-17 | 1981-04-28 | Uop Inc. | Method of catalyst manufacture, and catalyst made by said method |
| SU891146A1 (ru) * | 1980-04-14 | 1981-12-23 | Институт общей и неорганической химии АН БССР | Катализатор дл парофазной изомеризации циклогексаноноксима в @ -капролактиам |
| US4276437A (en) * | 1980-05-23 | 1981-06-30 | Mobil Oil Corporation | Shape selective reactions involving zeolite catalyst modified with group IIIB metal |
| JPS577818A (en) * | 1980-06-13 | 1982-01-16 | Idemitsu Kosan Co Ltd | Manufacture of crystalline aluminosilicate zeolite and catalytically converting method for organic starting material using said zeolite |
| SU981146A1 (ru) * | 1980-09-09 | 1982-12-15 | Предприятие П/Я Г-4781 | Устройство дл пневматического транспорта изделий |
| DE3134317A1 (de) * | 1981-08-31 | 1983-03-10 | Hoechst Ag, 6000 Frankfurt | Boro-alumosilikate mit zeolithstruktur und verfahren zu deren herstellung |
| DE3134316A1 (de) * | 1981-08-31 | 1983-03-10 | Hoechst Ag, 6000 Frankfurt | Boro-alumosilikate mit zeolithstruktur und verfahren zu deren herstellung |
| EP0154829B1 (de) * | 1982-03-27 | 1987-01-07 | BASF Aktiengesellschaft | Verfahren zur Herstellung von Olefinen aus Methanol/Dimethyleter |
| DE3370469D1 (en) * | 1982-11-16 | 1987-04-30 | Hoechst Ag | Aluminium silicates with a zeolite structure and process for their preparation |
-
1983
- 1983-10-17 FI FI833788A patent/FI76005C/fi not_active IP Right Cessation
-
1984
- 1984-10-16 JP JP59503899A patent/JPS61500951A/ja active Granted
- 1984-10-16 DE DE19843490487 patent/DE3490487T/de active Pending
- 1984-10-16 WO PCT/FI1984/000076 patent/WO1985001675A1/en active Application Filing
- 1984-10-16 AT AT0903984A patent/AT399107B/de not_active IP Right Cessation
- 1984-10-16 GB GB08513696A patent/GB2169271B/en not_active Expired
- 1984-10-16 IT IT23170/84A patent/IT1196297B/it active
- 1984-10-16 CH CH2448/85A patent/CH668714A5/de not_active IP Right Cessation
- 1984-10-16 DE DE3490487A patent/DE3490487C2/de not_active Expired - Fee Related
- 1984-10-16 BE BE0/213840A patent/BE900830A/fr not_active IP Right Cessation
- 1984-10-16 CA CA000465532A patent/CA1233459A/en not_active Expired
- 1984-10-16 NL NL8420257A patent/NL8420257A/nl not_active Application Discontinuation
- 1984-10-17 FR FR8415911A patent/FR2553301B1/fr not_active Expired
-
1985
- 1985-05-30 SE SE8502661A patent/SE453965B/sv not_active IP Right Cessation
- 1985-06-17 DK DK272885A patent/DK167867B1/da not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3490487C2 (de) | 1995-05-11 |
| FR2553301B1 (fr) | 1987-02-27 |
| IT1196297B (it) | 1988-11-16 |
| FI76005C (fi) | 1988-09-09 |
| JPH0475163B2 (enrdf_load_stackoverflow) | 1992-11-30 |
| CA1233459A (en) | 1988-03-01 |
| BE900830A (fr) | 1985-02-15 |
| SE8502661L (sv) | 1985-05-30 |
| DK167867B1 (da) | 1993-12-27 |
| FR2553301A1 (fr) | 1985-04-19 |
| DE3490487T (de) | 1985-09-19 |
| FI76005B (fi) | 1988-05-31 |
| GB2169271A (en) | 1986-07-09 |
| SE8502661D0 (sv) | 1985-05-30 |
| NL8420257A (nl) | 1985-08-01 |
| AT399107B (de) | 1995-03-27 |
| JPS61500951A (ja) | 1986-05-15 |
| DK272885A (da) | 1985-06-17 |
| DK272885D0 (da) | 1985-06-17 |
| GB8513696D0 (en) | 1985-07-03 |
| WO1985001675A1 (en) | 1985-04-25 |
| GB2169271B (en) | 1987-10-07 |
| FI833788A0 (fi) | 1983-10-17 |
| CH668714A5 (de) | 1989-01-31 |
| FI833788L (fi) | 1985-04-18 |
| IT8423170A0 (it) | 1984-10-16 |
| ATA903984A (de) | 1994-08-15 |
| IT8423170A1 (it) | 1986-04-16 |
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