SE449364B - Forfarande for framstellning av sampolymerer av propen och but-l-en - Google Patents
Forfarande for framstellning av sampolymerer av propen och but-l-enInfo
- Publication number
- SE449364B SE449364B SE8005399A SE8005399A SE449364B SE 449364 B SE449364 B SE 449364B SE 8005399 A SE8005399 A SE 8005399A SE 8005399 A SE8005399 A SE 8005399A SE 449364 B SE449364 B SE 449364B
- Authority
- SE
- Sweden
- Prior art keywords
- propylene
- copolymer
- ene
- polymerization
- amount
- Prior art date
Links
- 229920001577 copolymer Polymers 0.000 title claims description 82
- 238000000034 method Methods 0.000 title claims description 24
- KZDCMKVLEYCGQX-UDPGNSCCSA-N 2-(diethylamino)ethyl 4-aminobenzoate;(2s,5r,6r)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid;hydrate Chemical compound O.CCN(CC)CCOC(=O)C1=CC=C(N)C=C1.N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 KZDCMKVLEYCGQX-UDPGNSCCSA-N 0.000 title 1
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims description 54
- 238000006243 chemical reaction Methods 0.000 claims description 42
- 238000006116 polymerization reaction Methods 0.000 claims description 31
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 30
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 30
- 150000001875 compounds Chemical class 0.000 claims description 27
- 239000007787 solid Substances 0.000 claims description 16
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 14
- -1 ethylene, propylene Chemical group 0.000 claims description 14
- 239000008246 gaseous mixture Substances 0.000 claims description 14
- 230000003197 catalytic effect Effects 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 11
- 150000001336 alkenes Chemical class 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 239000003085 diluting agent Substances 0.000 claims description 7
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- 229920005606 polypropylene copolymer Polymers 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 125000004429 atom Chemical group 0.000 claims description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052794 bromium Inorganic materials 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 230000000707 stereoselective effect Effects 0.000 claims description 3
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims 1
- 239000004743 Polypropylene Substances 0.000 description 11
- 229920001155 polypropylene Polymers 0.000 description 11
- 238000007789 sealing Methods 0.000 description 11
- IMNFDUFMRHMDMM-UHFFFAOYSA-N anhydrous n-heptane Natural products CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 150000003609 titanium compounds Chemical class 0.000 description 6
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000012815 thermoplastic material Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 3
- YNLAOSYQHBDIKW-UHFFFAOYSA-M diethylaluminium chloride Chemical compound CC[Al](Cl)CC YNLAOSYQHBDIKW-UHFFFAOYSA-M 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-OUBTZVSYSA-N Carbon-13 Chemical compound [13C] OKTJSMMVPCPJKN-OUBTZVSYSA-N 0.000 description 2
- AQZGPSLYZOOYQP-UHFFFAOYSA-N Diisoamyl ether Chemical compound CC(C)CCOCCC(C)C AQZGPSLYZOOYQP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000005234 alkyl aluminium group Chemical group 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 238000005511 kinetic theory Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/04—Monomers containing three or four carbon atoms
- C08F210/06—Propene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
- Y10T428/31913—Monoolefin polymer
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7919520A FR2462449A1 (fr) | 1979-07-30 | 1979-07-30 | Procede de fabrication de copolymeres de propylene et de butene-1, produits en resultant et leurs applications |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8005399L SE8005399L (sv) | 1981-01-31 |
| SE449364B true SE449364B (sv) | 1987-04-27 |
Family
ID=9228420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8005399A SE449364B (sv) | 1979-07-30 | 1980-07-25 | Forfarande for framstellning av sampolymerer av propen och but-l-en |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US4360650A (de) |
| JP (1) | JPS5622307A (de) |
| AR (1) | AR223539A1 (de) |
| AT (1) | AT369023B (de) |
| AU (1) | AU533844B2 (de) |
| BE (1) | BE884557A (de) |
| BR (1) | BR8004667A (de) |
| CA (1) | CA1134100A (de) |
| DE (1) | DE3028320C2 (de) |
| DK (1) | DK162290C (de) |
| ES (1) | ES493707A0 (de) |
| FR (1) | FR2462449A1 (de) |
| GB (1) | GB2055863B (de) |
| IE (1) | IE50074B1 (de) |
| IN (1) | IN154738B (de) |
| IT (1) | IT1131761B (de) |
| LU (1) | LU82661A1 (de) |
| MX (1) | MX155667A (de) |
| NL (1) | NL186011C (de) |
| PT (1) | PT71610A (de) |
| SE (1) | SE449364B (de) |
| ZA (1) | ZA804587B (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX154108A (es) * | 1979-01-17 | 1987-05-11 | Naphtachimie Sa | Procedimiento para la obtencion de un copolimero de propileno y buteno-1 |
| JPS57205411A (en) * | 1981-06-11 | 1982-12-16 | Chisso Corp | Polypropylene random copolymer composition and its production |
| JPS5898315A (ja) * | 1981-12-07 | 1983-06-11 | Chisso Corp | ポリオレフイン共重合体の粉体流動性改良法 |
| JPS6076515A (ja) * | 1983-09-20 | 1985-05-01 | Sumitomo Chem Co Ltd | 包装用フィルム |
| US4761462A (en) * | 1983-09-20 | 1988-08-02 | Sumitomo Chemical Company, Limited | Packaging propylene copolymer film |
| JPS60127133A (ja) * | 1983-12-14 | 1985-07-06 | Sumitomo Chem Co Ltd | シユリンク包装用フイルム |
| JPS60166455A (ja) * | 1983-12-29 | 1985-08-29 | 住友化学工業株式会社 | ポリプロピレン積層フイルム |
| US4681804A (en) * | 1985-08-30 | 1987-07-21 | Shell Oil Company | Polybutylene room temperature aged film |
| US6255425B1 (en) * | 1989-04-28 | 2001-07-03 | Mitsui Chemicals, Inc. | Syndiotactic polypropylene copolymer and extruded polypropylene articles |
| US5587436A (en) * | 1992-11-12 | 1996-12-24 | Quantum Chemical Corporation | Process for controlling the polymerization of propylene and ethylene and copolymer products |
| US5705576A (en) * | 1992-11-12 | 1998-01-06 | Quantum Chemical Corporation | Process for controlling production of in-situ thermoplastic polyolefins and products |
| CA2102542A1 (en) * | 1992-11-12 | 1994-05-13 | Thaddeus W. Klimek | Gas-phase process for producing copolymer of propylene and ethylene and polyolefin films made therefrom |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL128622C (de) * | 1963-03-13 | |||
| FR1389760A (fr) * | 1963-03-14 | 1965-02-19 | Eastman Kodak Co | Nouveaux copolymères d'alpha-oléfines |
| US3332921A (en) * | 1963-11-01 | 1967-07-25 | Phillips Petroleum Co | 1-butene-propylene copolymers |
| NL6401305A (de) * | 1964-02-14 | 1965-08-16 | ||
| GB1119890A (en) * | 1964-09-28 | 1968-07-17 | Eastman Kodak Co | Process for polymerization of ª‡-olefinic hydrocarbon material |
| US3519511A (en) * | 1965-10-13 | 1970-07-07 | Eastman Kodak Co | Low-viscosity polyolefins having extended tack |
| DE1720292B2 (de) * | 1967-08-10 | 1975-05-22 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Propylenpolymerisaten |
| FR2093276A5 (de) * | 1970-06-09 | 1972-01-28 | Naphtachimie Sa | |
| GB1452424A (en) | 1974-03-29 | 1976-10-13 | Ici Ltd | Composite films |
| GB1532445A (en) * | 1975-04-17 | 1978-11-15 | Ici Ltd | Gas phase polymerisation of mono-alpha-olefines |
| GB1495776A (en) | 1975-06-11 | 1977-12-21 | Ici Ltd | Film-forming olefin polymer compositions |
| GB1497577A (en) | 1975-06-11 | 1978-01-12 | Ici Ltd | Film-forming olefin polymer compositions |
| JPS6051687B2 (ja) * | 1975-09-26 | 1985-11-15 | 株式会社ニコン | アナライザ−を有する光学系における偏光解消装置 |
| FR2340131A1 (fr) * | 1976-02-03 | 1977-09-02 | Naphtachimie Sa | Procede de fabrication de catalyseurs pour la polymerisation des olefines |
| JPS5379984A (en) * | 1976-12-24 | 1978-07-14 | Mitsui Petrochem Ind Ltd | Copolymer and production |
| FR2381565A1 (fr) * | 1977-02-23 | 1978-09-22 | Naphtachimie Sa | Catalyseurs de polymerisation des olefines |
| JPS6031672B2 (ja) * | 1977-03-18 | 1985-07-23 | 三井化学株式会社 | ポリプロピレン二軸延伸複合フイルム |
| US4390677A (en) * | 1978-03-31 | 1983-06-28 | Karol Frederick J | Article molded from ethylene hydrocarbon copolymer |
| IT1193760B (it) * | 1978-06-14 | 1988-08-24 | Sumitomo Chemical Co | Procedimento per produrre copolimeri di propilene e pellicola di polipropilene a piu' strati con esso ottenuta |
| MX154108A (es) * | 1979-01-17 | 1987-05-11 | Naphtachimie Sa | Procedimiento para la obtencion de un copolimero de propileno y buteno-1 |
-
1979
- 1979-07-30 FR FR7919520A patent/FR2462449A1/fr active Granted
-
1980
- 1980-07-07 MX MX183069A patent/MX155667A/es unknown
- 1980-07-24 ES ES493707A patent/ES493707A0/es active Granted
- 1980-07-25 SE SE8005399A patent/SE449364B/sv not_active IP Right Cessation
- 1980-07-25 DE DE3028320A patent/DE3028320C2/de not_active Expired
- 1980-07-25 PT PT71610A patent/PT71610A/pt unknown
- 1980-07-25 IT IT23701/80A patent/IT1131761B/it active
- 1980-07-25 AR AR281931A patent/AR223539A1/es active
- 1980-07-25 BR BR8004667A patent/BR8004667A/pt not_active IP Right Cessation
- 1980-07-28 LU LU82661A patent/LU82661A1/fr unknown
- 1980-07-28 DK DK325280A patent/DK162290C/da active
- 1980-07-28 AT AT0391680A patent/AT369023B/de not_active IP Right Cessation
- 1980-07-28 US US06/173,116 patent/US4360650A/en not_active Expired - Lifetime
- 1980-07-28 NL NLAANVRAGE8004313,A patent/NL186011C/xx not_active IP Right Cessation
- 1980-07-29 CA CA357,262A patent/CA1134100A/en not_active Expired
- 1980-07-29 IN IN867/CAL/80A patent/IN154738B/en unknown
- 1980-07-29 ZA ZA00804587A patent/ZA804587B/xx unknown
- 1980-07-29 IE IE1577/80A patent/IE50074B1/en not_active IP Right Cessation
- 1980-07-29 JP JP10424880A patent/JPS5622307A/ja active Granted
- 1980-07-29 GB GB8024771A patent/GB2055863B/en not_active Expired
- 1980-07-29 AU AU60861/80A patent/AU533844B2/en not_active Ceased
- 1980-07-30 BE BE0/201594A patent/BE884557A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| MX155667A (es) | 1988-04-12 |
| AU533844B2 (en) | 1983-12-15 |
| DE3028320C2 (de) | 1984-07-26 |
| ATA391680A (de) | 1982-04-15 |
| BE884557A (fr) | 1981-01-30 |
| AT369023B (de) | 1982-11-25 |
| ES8104332A1 (es) | 1981-04-16 |
| GB2055863A (en) | 1981-03-11 |
| DK162290B (da) | 1991-10-07 |
| AR223539A1 (es) | 1981-08-31 |
| LU82661A1 (fr) | 1980-10-24 |
| DE3028320A1 (de) | 1981-02-12 |
| IE50074B1 (en) | 1986-02-05 |
| JPS5622307A (en) | 1981-03-02 |
| JPS61846B2 (de) | 1986-01-11 |
| PT71610A (fr) | 1980-08-01 |
| NL8004313A (nl) | 1981-02-03 |
| NL186011C (nl) | 1990-09-03 |
| US4360650A (en) | 1982-11-23 |
| CA1134100A (en) | 1982-10-19 |
| AU6086180A (en) | 1981-02-05 |
| FR2462449B1 (de) | 1984-06-29 |
| BR8004667A (pt) | 1981-02-10 |
| NL186011B (nl) | 1990-04-02 |
| IE801577L (en) | 1981-01-30 |
| IT8023701A0 (it) | 1980-07-25 |
| DK162290C (da) | 1992-03-16 |
| ES493707A0 (es) | 1981-04-16 |
| IN154738B (de) | 1984-12-15 |
| FR2462449A1 (fr) | 1981-02-13 |
| IT1131761B (it) | 1986-06-25 |
| SE8005399L (sv) | 1981-01-31 |
| ZA804587B (en) | 1981-09-30 |
| GB2055863B (en) | 1983-06-08 |
| DK325280A (da) | 1981-01-31 |
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