IL41101A - Process for preparing 1,2,3-trichloropropene - Google Patents
Process for preparing 1,2,3-trichloropropeneInfo
- Publication number
- IL41101A IL41101A IL41101A IL4110172A IL41101A IL 41101 A IL41101 A IL 41101A IL 41101 A IL41101 A IL 41101A IL 4110172 A IL4110172 A IL 4110172A IL 41101 A IL41101 A IL 41101A
- Authority
- IL
- Israel
- Prior art keywords
- catalyst
- temperature
- tetrachloropropane
- reaction
- oxides
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title description 6
- HIILBTHBHCLUER-IWQZZHSRSA-N (z)-1,2,3-trichloroprop-1-ene Chemical compound ClC\C(Cl)=C\Cl HIILBTHBHCLUER-IWQZZHSRSA-N 0.000 title 1
- 239000003054 catalyst Substances 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 41
- 238000006243 chemical reaction Methods 0.000 claims description 17
- FEKGWIHDBVDVSM-UHFFFAOYSA-N 1,1,1,2-tetrachloropropane Chemical compound CC(Cl)C(Cl)(Cl)Cl FEKGWIHDBVDVSM-UHFFFAOYSA-N 0.000 claims description 11
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 229960000892 attapulgite Drugs 0.000 claims description 7
- 229910052625 palygorskite Inorganic materials 0.000 claims description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 239000001294 propane Substances 0.000 claims description 4
- 239000012808 vapor phase Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 238000007033 dehydrochlorination reaction Methods 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- 239000003518 caustics Substances 0.000 description 7
- LIPPKMMVZOHCIF-UHFFFAOYSA-N 1,1,2-trichloroprop-1-ene Chemical compound CC(Cl)=C(Cl)Cl LIPPKMMVZOHCIF-UHFFFAOYSA-N 0.000 description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 6
- 239000000460 chlorine Substances 0.000 description 6
- 229910052801 chlorine Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000005660 chlorination reaction Methods 0.000 description 5
- 239000004927 clay Substances 0.000 description 5
- 239000008187 granular material Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 230000007420 reactivation Effects 0.000 description 4
- 238000004821 distillation Methods 0.000 description 3
- 239000004009 herbicide Substances 0.000 description 3
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 3
- 239000000391 magnesium silicate Substances 0.000 description 3
- 229910052919 magnesium silicate Inorganic materials 0.000 description 3
- 235000019792 magnesium silicate Nutrition 0.000 description 3
- 229910052624 sepiolite Inorganic materials 0.000 description 3
- 235000019355 sepiolite Nutrition 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 239000004113 Sepiolite Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- VNSBYDPZHCQWNB-UHFFFAOYSA-N calcium;aluminum;dioxido(oxo)silane;sodium;hydrate Chemical class O.[Na].[Al].[Ca+2].[O-][Si]([O-])=O VNSBYDPZHCQWNB-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000002363 herbicidal effect Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- 229910052500 inorganic mineral Chemical class 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 238000006317 isomerization reaction Methods 0.000 description 2
- 239000011707 mineral Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- -1 silicon aluminum magnesium Chemical compound 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OWXJKYNZGFSVRC-NSCUHMNNSA-N (e)-1-chloroprop-1-ene Chemical compound C\C=C\Cl OWXJKYNZGFSVRC-NSCUHMNNSA-N 0.000 description 1
- SBMYBOVJMOVVQW-UHFFFAOYSA-N 2-[3-[[4-(2,2-difluoroethyl)piperazin-1-yl]methyl]-4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound FC(CN1CCN(CC1)CC1=NN(C=C1C=1C=NC(=NC=1)NC1CC2=CC=CC=C2C1)CC(=O)N1CC2=C(CC1)NN=N2)F SBMYBOVJMOVVQW-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 241000283986 Lepus Species 0.000 description 1
- 229910000792 Monel Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- YXOXBCQDQJEUTB-UHFFFAOYSA-N [3,4-di(propan-2-yl)thiophen-2-yl]carbamic acid Chemical compound CC(C)C1=CSC(NC(O)=O)=C1C(C)C YXOXBCQDQJEUTB-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- CNLWCVNCHLKFHK-UHFFFAOYSA-N aluminum;lithium;dioxido(oxo)silane Chemical compound [Li+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O CNLWCVNCHLKFHK-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000006704 dehydrohalogenation reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000005826 halohydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- QRNPTSGPQSOPQK-UHFFFAOYSA-N magnesium zirconium Chemical compound [Mg].[Zr] QRNPTSGPQSOPQK-UHFFFAOYSA-N 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910052642 spodumene Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/013—Preparation of halogenated hydrocarbons by addition of halogens
- C07C17/04—Preparation of halogenated hydrocarbons by addition of halogens to unsaturated halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/35—Preparation of halogenated hydrocarbons by reactions not affecting the number of carbon or of halogen atoms in the reaction
- C07C17/358—Preparation of halogenated hydrocarbons by reactions not affecting the number of carbon or of halogen atoms in the reaction by isomerisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C21/00—Acyclic unsaturated compounds containing halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C21/00—Acyclic unsaturated compounds containing halogen atoms
- C07C21/02—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds
- C07C21/04—Chloro-alkenes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21026871A | 1971-12-17 | 1971-12-17 | |
| US00212742A US3823195A (en) | 1971-12-27 | 1971-12-27 | Preparation of 1,1,2,3-tetrachloropropene from 1,2,3-trichloropropane |
| US30216372A | 1972-10-30 | 1972-10-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL41101A0 IL41101A0 (en) | 1973-02-28 |
| IL41101A true IL41101A (en) | 1977-05-31 |
Family
ID=27395474
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL41101A IL41101A (en) | 1971-12-17 | 1972-12-15 | Process for preparing 1,2,3-trichloropropene |
| IL50070A IL50070A (en) | 1971-12-17 | 1972-12-15 | Process for the production of 1,1,2,3-tetrachloropropene |
| IL7650070A IL50070A0 (en) | 1971-12-17 | 1976-07-20 | Process for the production of 1,1,2,3-tetrachloropropene |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL50070A IL50070A (en) | 1971-12-17 | 1972-12-15 | Process for the production of 1,1,2,3-tetrachloropropene |
| IL7650070A IL50070A0 (en) | 1971-12-17 | 1976-07-20 | Process for the production of 1,1,2,3-tetrachloropropene |
Country Status (13)
| Country | Link |
|---|---|
| JP (2) | JPS4867209A (ro) |
| BE (1) | BE792789A (ro) |
| BG (1) | BG21599A3 (ro) |
| CH (1) | CH584173A5 (ro) |
| DD (1) | DD101140A5 (ro) |
| DE (1) | DE2261516C3 (ro) |
| FR (2) | FR2169817B1 (ro) |
| GB (1) | GB1381619A (ro) |
| IL (3) | IL41101A (ro) |
| IT (1) | IT974728B (ro) |
| NL (1) | NL160542C (ro) |
| RO (1) | RO60573A (ro) |
| YU (1) | YU39903B (ro) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2546225B1 (en) * | 2006-01-03 | 2017-12-20 | Honeywell International Inc. | Method for producing fluorinated organic compounds |
| US8258355B2 (en) * | 2007-07-25 | 2012-09-04 | Honeywell International Inc. | Processes for preparing 1,1,2,3-tetrachloropropene |
| HRP20140465T1 (hr) * | 2007-12-19 | 2014-07-18 | Occidental Chemical Corporation | Postupci pripreme kloriranih ugljikovodika |
| US8877990B2 (en) | 2009-06-24 | 2014-11-04 | Tokuyama Corporation | Process of making a chlorinated hydrocarbon |
| WO2011044514A2 (en) | 2009-10-09 | 2011-04-14 | Dow Global Technologies, Inc | Isothermal multitube reactors and processes incorporating the same |
| KR20120093857A (ko) | 2009-10-09 | 2012-08-23 | 다우 글로벌 테크놀로지스 엘엘씨 | 염화 및/또는 불화 프로펜의 제조 방법 |
| KR20120084729A (ko) | 2009-10-09 | 2012-07-30 | 다우 글로벌 테크놀로지스 엘엘씨 | 염화 및/또는 불화 프로펜 및 고급 알켄의 제조 방법 |
| CN103562163B (zh) | 2011-05-31 | 2015-12-23 | 陶氏环球技术有限责任公司 | 生产氯化丙烯类的方法 |
| EP2714630A1 (en) * | 2011-05-31 | 2014-04-09 | Dow Global Technologies LLC | Process for the production of chlorinated propenes |
| US8927792B2 (en) | 2011-06-08 | 2015-01-06 | Dow Agrosciences, Llc | Process for the production of chlorinated and/or fluorinated propenes |
| CA2844319A1 (en) | 2011-08-07 | 2013-02-14 | Dow Global Technologies Llc | Process for the production of chlorinated propenes |
| CN103717557A (zh) | 2011-08-07 | 2014-04-09 | 陶氏环球技术有限责任公司 | 生产氯化的丙烯的方法 |
| WO2013074394A1 (en) * | 2011-11-18 | 2013-05-23 | Dow Global Technologies, Llc | Process for the production of chlorinated propanes and/or propenes |
| US9067855B2 (en) | 2011-11-21 | 2015-06-30 | Dow Global Technologies Llc | Process for the production of chlorinated alkanes |
| IN2014CN04029A (ro) | 2011-12-02 | 2015-10-23 | Dow Global Technologies Llc | |
| US9199899B2 (en) | 2011-12-02 | 2015-12-01 | Blue Cube Ip Llc | Process for the production of chlorinated alkanes |
| JP6170068B2 (ja) | 2011-12-13 | 2017-07-26 | ブルー キューブ アイピー エルエルシー | 塩素化プロパン及びプロペンの製造方法 |
| CN104011000A (zh) | 2011-12-22 | 2014-08-27 | 陶氏环球技术有限责任公司 | 生产四氯甲烷的方法 |
| EP2794521B1 (en) | 2011-12-23 | 2016-09-21 | Dow Global Technologies LLC | Process for the production of alkenes and/or aromatic compounds |
| WO2014046977A1 (en) | 2012-09-20 | 2014-03-27 | Dow Global Technologies, Llc | Process for the production of chlorinated propenes |
| EP2897930A1 (en) | 2012-09-20 | 2015-07-29 | Dow Global Technologies LLC | Process for the production of chlorinated propenes |
| US9795941B2 (en) | 2012-09-30 | 2017-10-24 | Blue Cube Ip Llc | Weir quench and processes incorporating the same |
| EP2911773B1 (en) | 2012-10-26 | 2017-10-04 | Blue Cube IP LLC | Mixer and reactor and process incorporating the same |
| CN104870411B (zh) | 2012-12-18 | 2018-10-02 | 蓝立方知识产权有限责任公司 | 用于生产氯化丙烯的方法 |
| CN104918904B (zh) | 2012-12-19 | 2017-10-31 | 蓝立方知识产权有限责任公司 | 用于生产氯化丙烯的方法 |
| US8889929B2 (en) * | 2013-02-19 | 2014-11-18 | Honeywell International Inc. | Process to make 1,1,2,3-tetrachloropropene from 1,1,3-trichloropropene and/or 3,3,3-trichloropropene |
| WO2014134233A2 (en) | 2013-02-27 | 2014-09-04 | Dow Global Technologies Llc | Process for the production of chlorinated propenes |
| CA2903760C (en) | 2013-03-09 | 2018-02-20 | Blue Cube Ip Llc | Process for the production of chlorinated alkanes |
| CN115108882B (zh) * | 2022-06-07 | 2024-04-12 | 浙江衢化氟化学有限公司 | 一种1,1,1,2,3-五氯丙烷的连续制备方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1459842A (fr) * | 1964-07-29 | 1966-06-17 | Knapsack Ag | Procédé de préparation de 2-chlorobutène-(2) |
| GB1152021A (en) * | 1965-08-30 | 1969-05-14 | Pullman Inc | Dehydrohalogenation Process |
-
1972
- 1972-12-12 NL NL7216840.A patent/NL160542C/xx not_active IP Right Cessation
- 1972-12-15 IL IL41101A patent/IL41101A/en unknown
- 1972-12-15 GB GB5803872A patent/GB1381619A/en not_active Expired
- 1972-12-15 DE DE2261516A patent/DE2261516C3/de not_active Expired
- 1972-12-15 BE BE792789D patent/BE792789A/xx not_active IP Right Cessation
- 1972-12-15 BG BG022127A patent/BG21599A3/xx unknown
- 1972-12-15 RO RO73167A patent/RO60573A/ro unknown
- 1972-12-15 DD DD167592A patent/DD101140A5/xx unknown
- 1972-12-15 FR FR7244864A patent/FR2169817B1/fr not_active Expired
- 1972-12-15 YU YU3143/72A patent/YU39903B/xx unknown
- 1972-12-15 JP JP47125368A patent/JPS4867209A/ja active Pending
- 1972-12-15 IL IL50070A patent/IL50070A/en unknown
- 1972-12-18 IT IT33069/72A patent/IT974728B/it active
-
1973
- 1973-06-12 FR FR7321260A patent/FR2202065A1/fr active Granted
- 1973-06-12 CH CH849373A patent/CH584173A5/xx not_active IP Right Cessation
- 1973-06-15 JP JP6697973A patent/JPS5346807B2/ja not_active Expired
-
1976
- 1976-07-20 IL IL7650070A patent/IL50070A0/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2261516A1 (de) | 1973-06-28 |
| DE2261516C3 (de) | 1980-07-31 |
| DD101140A5 (ro) | 1973-10-20 |
| AU480375A (ro) | 1974-12-05 |
| YU314372A (en) | 1982-08-31 |
| BG21599A3 (bg) | 1976-07-20 |
| FR2169817B1 (ro) | 1977-08-05 |
| JPS5346807B2 (ro) | 1978-12-16 |
| IL41101A0 (en) | 1973-02-28 |
| FR2202065B1 (ro) | 1977-05-06 |
| NL160542C (nl) | 1979-11-15 |
| IL50070A0 (en) | 1976-09-30 |
| NL160542B (nl) | 1979-06-15 |
| FR2202065A1 (en) | 1974-05-03 |
| JPS4867209A (ro) | 1973-09-13 |
| NL7216840A (ro) | 1973-06-19 |
| BE792789A (fr) | 1973-06-15 |
| FR2169817A1 (ro) | 1973-09-14 |
| JPS504006A (ro) | 1975-01-16 |
| YU39903B (en) | 1985-06-30 |
| IT974728B (it) | 1974-07-10 |
| DE2261516B2 (de) | 1979-11-22 |
| IL50070A (en) | 1977-05-31 |
| CH584173A5 (ro) | 1977-01-31 |
| GB1381619A (en) | 1975-01-22 |
| RO60573A (ro) | 1976-10-15 |
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