DE2826548A1 - Verfahren zur kontinuierlichen herstellung von polyolefinen - Google Patents
Verfahren zur kontinuierlichen herstellung von polyolefinenInfo
- Publication number
- DE2826548A1 DE2826548A1 DE19782826548 DE2826548A DE2826548A1 DE 2826548 A1 DE2826548 A1 DE 2826548A1 DE 19782826548 DE19782826548 DE 19782826548 DE 2826548 A DE2826548 A DE 2826548A DE 2826548 A1 DE2826548 A1 DE 2826548A1
- Authority
- DE
- Germany
- Prior art keywords
- stage
- reactor
- polymerization
- hydrogen
- under
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 72
- 230000008569 process Effects 0.000 title claims description 33
- 229920000098 polyolefin Polymers 0.000 title claims description 32
- 238000004519 manufacturing process Methods 0.000 title description 11
- 238000006116 polymerization reaction Methods 0.000 claims description 83
- 229920000642 polymer Polymers 0.000 claims description 67
- 239000001257 hydrogen Substances 0.000 claims description 64
- 229910052739 hydrogen Inorganic materials 0.000 claims description 64
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 62
- 239000012071 phase Substances 0.000 claims description 42
- 239000007789 gas Substances 0.000 claims description 36
- 150000001336 alkenes Chemical class 0.000 claims description 34
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 32
- 239000005977 Ethylene Substances 0.000 claims description 32
- 239000000178 monomer Substances 0.000 claims description 32
- 239000000203 mixture Substances 0.000 claims description 31
- -1 ethylene, propylene Chemical group 0.000 claims description 28
- 238000009826 distribution Methods 0.000 claims description 26
- 239000003054 catalyst Substances 0.000 claims description 24
- 239000007791 liquid phase Substances 0.000 claims description 19
- 239000011261 inert gas Substances 0.000 claims description 18
- 239000011541 reaction mixture Substances 0.000 claims description 17
- 239000002904 solvent Substances 0.000 claims description 14
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims description 12
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 12
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 11
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 9
- 238000010924 continuous production Methods 0.000 claims description 8
- 229920006158 high molecular weight polymer Polymers 0.000 claims description 8
- 150000003623 transition metal compounds Chemical class 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 6
- 239000000470 constituent Substances 0.000 claims description 2
- 238000007334 copolymerization reaction Methods 0.000 claims description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 claims 1
- 108010013381 Porins Proteins 0.000 claims 1
- 239000008186 active pharmaceutical agent Substances 0.000 claims 1
- 125000002524 organometallic group Chemical group 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 claims 1
- 102000007739 porin activity proteins Human genes 0.000 claims 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 36
- 238000006243 chemical reaction Methods 0.000 description 28
- 239000004698 Polyethylene Substances 0.000 description 17
- 229920000573 polyethylene Polymers 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 239000007788 liquid Substances 0.000 description 13
- 239000002002 slurry Substances 0.000 description 13
- 239000011949 solid catalyst Substances 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000005755 formation reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000000155 melt Substances 0.000 description 7
- 150000002902 organometallic compounds Chemical class 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 238000003756 stirring Methods 0.000 description 5
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000012429 reaction media Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- 229920002959 polymer blend Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 150000001993 dienes Chemical class 0.000 description 2
- 230000003292 diminished effect Effects 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000006355 external stress Effects 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- PRBHEGAFLDMLAL-GQCTYLIASA-N (4e)-hexa-1,4-diene Chemical compound C\C=C\CC=C PRBHEGAFLDMLAL-GQCTYLIASA-N 0.000 description 1
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical group C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 1
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- JYXGIOKAKDAARW-UHFFFAOYSA-N N-(2-hydroxyethyl)iminodiacetic acid Chemical compound OCCN(CC(O)=O)CC(O)=O JYXGIOKAKDAARW-UHFFFAOYSA-N 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 235000012907 honey Nutrition 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003541 multi-stage reaction Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- 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
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7265577A JPS6039082B2 (ja) | 1977-06-18 | 1977-06-18 | 分子量分布の広いポリオレフインの連続的製造方法 |
| JP9774777A JPS6039083B2 (ja) | 1977-08-17 | 1977-08-17 | 分子量分布の広いポリオレフインの連続的製造方法 |
| JP15749477A JPS6039084B2 (ja) | 1977-12-28 | 1977-12-28 | 分子量分布の広いポリオレフインの連続的製造方法 |
| JP53000204A JPS6039085B2 (ja) | 1978-01-06 | 1978-01-06 | 分子量分布の広いポリオレフインの連続的製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2826548A1 true DE2826548A1 (de) | 1979-01-04 |
| DE2826548C2 DE2826548C2 (fr) | 1989-09-21 |
Family
ID=27453111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782826548 Granted DE2826548A1 (de) | 1977-06-18 | 1978-06-16 | Verfahren zur kontinuierlichen herstellung von polyolefinen |
Country Status (6)
| Country | Link |
|---|---|
| AU (1) | AU520332B2 (fr) |
| BR (1) | BR7803876A (fr) |
| DE (1) | DE2826548A1 (fr) |
| FR (1) | FR2394557B1 (fr) |
| GB (1) | GB1577512A (fr) |
| IT (1) | IT1103190B (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5610506A (en) * | 1979-07-09 | 1981-02-03 | Mitsui Petrochem Ind Ltd | Production of ethylene polymer composition |
| JPH0314807A (ja) * | 1989-11-21 | 1991-01-23 | Mitsui Petrochem Ind Ltd | エチレン重合体組成物の製法 |
| US5494982A (en) * | 1989-05-19 | 1996-02-27 | Idemitsu Petrochemical Company, Limited | Process for preparing ethylenic polymer composition |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1162700A (fr) * | 1981-01-30 | 1984-02-21 | Kiyoshi Kawai | Methode de production de polymeres d'ethylene |
| JPH062776B2 (ja) * | 1984-12-21 | 1994-01-12 | 日本石油株式会社 | 超高分子量ポリエチレンの製造方法 |
| JPH0692457B2 (ja) * | 1985-05-30 | 1994-11-16 | 日本石油株式会社 | 射出成形性の改良された超高分子量ポリエチレン組成物 |
| JPH0692509B2 (ja) * | 1985-12-17 | 1994-11-16 | 日本石油株式会社 | 高強度・高弾性率繊維又はフイルム製造用ポリエチレン溶液の製造法 |
| US5693583A (en) * | 1991-06-10 | 1997-12-02 | Mobil Oil Corporation | High activity polyethylene catalysts which produce bimodal or trimodal product molecular weight distributions |
| EP0518604B1 (fr) * | 1991-06-10 | 1998-09-09 | Mobil Oil Corporation | Catalyseurs de polymérisation d'éthylène à haute activité, préparés à partir d'agent oxidant |
| JP5837424B2 (ja) * | 2009-02-27 | 2015-12-24 | バーゼル・ポリオレフィン・ゲーエムベーハー | エチレンを重合するための多段階方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB853127A (en) * | 1956-07-25 | 1960-11-02 | Du Pont | Improvements in or relating to the polymerization of propylene |
| DE1720611A1 (de) * | 1967-01-28 | 1972-07-27 | Hoechst Ag | Verfahren zur Herstellung von Polyolefinen |
-
1978
- 1978-05-17 GB GB20057/78A patent/GB1577512A/en not_active Expired
- 1978-06-09 IT IT12654/78A patent/IT1103190B/it active
- 1978-06-14 AU AU37122/78A patent/AU520332B2/en not_active Expired
- 1978-06-16 BR BR7803876A patent/BR7803876A/pt unknown
- 1978-06-16 FR FR7818110A patent/FR2394557B1/fr not_active Expired
- 1978-06-16 DE DE19782826548 patent/DE2826548A1/de active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB853127A (en) * | 1956-07-25 | 1960-11-02 | Du Pont | Improvements in or relating to the polymerization of propylene |
| DE1720611A1 (de) * | 1967-01-28 | 1972-07-27 | Hoechst Ag | Verfahren zur Herstellung von Polyolefinen |
Non-Patent Citations (2)
| Title |
|---|
| Chemical Abstracts, Bd. 83, 1975, 115460f * |
| Chemical Abstracts, Bd. 85, 1976, 109186w * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5610506A (en) * | 1979-07-09 | 1981-02-03 | Mitsui Petrochem Ind Ltd | Production of ethylene polymer composition |
| JPS6357446B2 (fr) * | 1979-07-09 | 1988-11-11 | Mitsui Petrochemical Ind | |
| US5494982A (en) * | 1989-05-19 | 1996-02-27 | Idemitsu Petrochemical Company, Limited | Process for preparing ethylenic polymer composition |
| JPH0314807A (ja) * | 1989-11-21 | 1991-01-23 | Mitsui Petrochem Ind Ltd | エチレン重合体組成物の製法 |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1103190B (it) | 1985-10-14 |
| BR7803876A (pt) | 1979-04-17 |
| DE2826548C2 (fr) | 1989-09-21 |
| GB1577512A (en) | 1980-10-22 |
| AU3712278A (en) | 1979-12-20 |
| FR2394557A1 (fr) | 1979-01-12 |
| FR2394557B1 (fr) | 1985-07-12 |
| IT7812654A0 (it) | 1978-06-09 |
| AU520332B2 (en) | 1982-01-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8128 | New person/name/address of the agent |
Representative=s name: STREHL, P., DIPL.-ING. DIPL.-WIRTSCH.-ING. SCHUEBE |
|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |