CA1059497A - Catalyst and catalytic process - Google Patents
Catalyst and catalytic processInfo
- Publication number
- CA1059497A CA1059497A CA228,748A CA228748A CA1059497A CA 1059497 A CA1059497 A CA 1059497A CA 228748 A CA228748 A CA 228748A CA 1059497 A CA1059497 A CA 1059497A
- Authority
- CA
- Canada
- Prior art keywords
- catalyst
- chromium
- olefins
- chelate
- carbon atoms
- 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.)
- Expired
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 166
- 238000000034 method Methods 0.000 title claims description 44
- 230000008569 process Effects 0.000 title claims description 19
- 230000003197 catalytic effect Effects 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000011651 chromium Substances 0.000 claims abstract description 59
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 54
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229920000642 polymer Polymers 0.000 claims abstract description 36
- 239000013522 chelant Substances 0.000 claims abstract description 33
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 30
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- XEHUIDSUOAGHBW-UHFFFAOYSA-N chromium;pentane-2,4-dione Chemical compound [Cr].CC(=O)CC(C)=O.CC(=O)CC(C)=O.CC(=O)CC(C)=O XEHUIDSUOAGHBW-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 230000001590 oxidative effect Effects 0.000 claims abstract description 22
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims abstract description 16
- 239000001257 hydrogen Substances 0.000 claims abstract description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000003213 activating effect Effects 0.000 claims abstract description 14
- 239000012298 atmosphere Substances 0.000 claims abstract description 13
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 10
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 6
- 125000003118 aryl group Chemical group 0.000 claims abstract description 6
- 125000003342 alkenyl group Chemical group 0.000 claims abstract description 5
- 125000004450 alkenylene group Chemical group 0.000 claims abstract description 5
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 5
- 125000000732 arylene group Chemical group 0.000 claims abstract description 5
- 125000000753 cycloalkyl group Chemical group 0.000 claims abstract description 5
- 125000002993 cycloalkylene group Chemical group 0.000 claims abstract description 5
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 5
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims abstract 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 56
- 229910052757 nitrogen Inorganic materials 0.000 claims description 28
- 239000007789 gas Substances 0.000 claims description 24
- 230000004913 activation Effects 0.000 claims description 21
- 150000001336 alkenes Chemical class 0.000 claims description 19
- 230000000379 polymerizing effect Effects 0.000 claims description 18
- 229920001577 copolymer Polymers 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 150000001844 chromium Chemical class 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 4
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Natural products CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 150000001845 chromium compounds Chemical class 0.000 claims description 2
- 239000002685 polymerization catalyst Substances 0.000 claims description 2
- 229910052756 noble gas Inorganic materials 0.000 claims 3
- 150000002835 noble gases Chemical class 0.000 claims 3
- 239000000725 suspension Substances 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 125000003545 alkoxy group Chemical group 0.000 abstract description 2
- 150000004820 halides Chemical class 0.000 abstract description 2
- 125000002015 acyclic group Chemical group 0.000 abstract 1
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 36
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 25
- 239000005977 Ethylene Substances 0.000 description 25
- 238000006116 polymerization reaction Methods 0.000 description 17
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 12
- 239000011148 porous material Substances 0.000 description 12
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 10
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 9
- 230000006698 induction Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 239000012190 activator Substances 0.000 description 6
- 239000003085 diluting agent Substances 0.000 description 6
- 239000001282 iso-butane Substances 0.000 description 6
- 239000000155 melt Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 238000005470 impregnation Methods 0.000 description 5
- 239000012299 nitrogen atmosphere Substances 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 238000012812 general test Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 239000012429 reaction media Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 239000001273 butane Substances 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000037048 polymerization activity Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 230000002311 subsequent effect Effects 0.000 description 2
- 238000012956 testing procedure Methods 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 241000448280 Elates Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000011021 bench scale process Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- MJSNUBOCVAKFIJ-LNTINUHCSA-N chromium;(z)-4-oxoniumylidenepent-2-en-2-olate Chemical compound [Cr].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O MJSNUBOCVAKFIJ-LNTINUHCSA-N 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 125000005724 cycloalkenylene group Chemical group 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000005962 plant activator Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical group [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
- 239000003039 volatile agent Substances 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
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)
- Polymerization Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/478,879 US3953413A (en) | 1974-06-13 | 1974-06-13 | Supported chromium-containing catalyst and process of polymerizing 1-olefins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1059497A true CA1059497A (en) | 1979-07-31 |
Family
ID=23901745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA228,748A Expired CA1059497A (en) | 1974-06-13 | 1975-06-06 | Catalyst and catalytic process |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3953413A (enExample) |
| JP (1) | JPS5110190A (enExample) |
| CA (1) | CA1059497A (enExample) |
| DE (1) | DE2526618C2 (enExample) |
| FI (1) | FI61196C (enExample) |
| FR (1) | FR2274354A1 (enExample) |
| GB (1) | GB1483871A (enExample) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4035561A (en) * | 1974-10-24 | 1977-07-12 | Chemplex Company | Method of polymerizing |
| US4041225A (en) * | 1975-12-29 | 1977-08-09 | Chemplex Company | Polymerization catalyst and method |
| US4053437A (en) * | 1976-03-04 | 1977-10-11 | Chemplex Company | Polyolefin catalyst and method for its preparation |
| US4128500A (en) * | 1976-04-07 | 1978-12-05 | Hwang Yu Tang | Polymerization catalyst and method |
| NL171273C (nl) * | 1976-05-24 | 1983-03-01 | Stamicarbon | Werkwijze voor het polymeriseren van alkenen en werkwijze voor het bereiden van een chroomoxyde-op drager-katalysator. |
| US4196098A (en) * | 1976-06-10 | 1980-04-01 | Chemplex Company | Process for preparing a polymerization catalyst |
| US4096093A (en) * | 1976-06-24 | 1978-06-20 | Chemplex Company | Polymerization catalyst and method |
| US4071673A (en) * | 1976-11-03 | 1978-01-31 | Chemplex Company | Catalyst and method |
| US4064336A (en) * | 1976-11-03 | 1977-12-20 | Chemplex Company | Catalyst and method |
| US4173548A (en) * | 1977-02-02 | 1979-11-06 | Chemplex Company | Ethylene polymerization catalyst and method |
| US4194074A (en) * | 1977-02-02 | 1980-03-18 | Chemplex Company | Polymerization process |
| US4177162A (en) * | 1977-12-05 | 1979-12-04 | Phillips Petroleum Company | Sulfiding and reoxidation of chromium catalyst |
| USRE31390E (en) * | 1977-12-05 | 1983-09-20 | Phillips Petroleum Company | Treatment of silica |
| US4248735A (en) * | 1979-06-01 | 1981-02-03 | Phillips Petroleum Company | Treatment of silica |
| USRE31443E (en) * | 1977-12-05 | 1983-11-15 | Phillips Petroleum Company | Treatment of silica |
| US4284527A (en) * | 1978-06-19 | 1981-08-18 | Chemplex Company | Polymerization catalyst |
| US4184979A (en) * | 1978-07-17 | 1980-01-22 | Chemplex Company | Catalyst and process of preparing the catalyst |
| US4224428A (en) * | 1979-02-02 | 1980-09-23 | Chemplex Company | Polymerization process |
| US4590246A (en) * | 1979-05-31 | 1986-05-20 | Norchem, Inc. | Method of polymerizing olefins |
| USRE31761E (en) * | 1979-05-31 | 1984-12-11 | Chemplex Company | Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts |
| US4246137A (en) * | 1979-05-31 | 1981-01-20 | Chemplex Company | Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts |
| US4297460A (en) * | 1979-06-01 | 1981-10-27 | Phillips Petroleum Co. | Treatment of silica |
| US4303770A (en) * | 1979-10-24 | 1981-12-01 | Chemplex Company | Method of making polymers and copolymers of 1-olefins |
| US4778605A (en) * | 1987-04-29 | 1988-10-18 | Phillips Petroleum Company | Method for removing liquid from a liquid-solids mixture |
| US4834874A (en) * | 1987-04-29 | 1989-05-30 | Phillips Petroleum Company | Removal of liquid from a liquid-solids mixture |
| BE1005444A3 (fr) * | 1991-10-14 | 1993-07-27 | Solvay | Procede de preparation de catalyseurs de polymerisation des olefines, catalyseurs obtenus selon ce procede et procede pour polymeriser les olefines en presence de ces catalyseurs. |
| GB9210265D0 (en) * | 1992-05-13 | 1992-07-01 | Unilever Plc | Catalysts and catalyst supports |
| IT1282635B1 (it) * | 1996-02-16 | 1998-03-31 | Enichem Elastomers | Componente catalitico al vanadio e suo utilizzo nella preparazione di ep(d)m |
| US7192901B2 (en) * | 2004-10-27 | 2007-03-20 | Exxonmobil Chemical Patents Inc. | Method of preparing a treated support |
| US7381778B2 (en) | 2002-06-06 | 2008-06-03 | Exxonmobil Chemical Patents Inc. | Method of preparing a treated support |
| BRPI0711029A2 (pt) * | 2006-05-17 | 2011-05-31 | Dow Global Technologies Inc | processo para polimerização de etileno e uma ou mais a-olefinas ou diolefinas de c3-30 |
| CN101918463B (zh) * | 2007-11-19 | 2012-09-05 | 陶氏环球技术有限责任公司 | 长链支化丙烯-α-烯烃共聚物 |
| MX350592B (es) | 2010-05-17 | 2017-09-11 | Dow Global Tech Llc * | Proceso para polimerizacion selectiva de etileno y un catalizador del mismo. |
| CN105294905A (zh) | 2010-08-25 | 2016-02-03 | 陶氏环球技术有限责任公司 | 聚合可聚合烯烃的方法以及用于该方法的催化剂 |
| WO2012061706A1 (en) | 2010-11-04 | 2012-05-10 | Dow Global Technologies Llc | Double shuttling of polyolefin polymeryl chains |
| US10246528B2 (en) * | 2014-01-09 | 2019-04-02 | Chevron Phillips Chemical Company Lp | Chromium (III) catalyst systems with activator-supports |
| US9505856B1 (en) | 2016-01-13 | 2016-11-29 | Chevron Phillips Chemical Company Lp | Methods for making fluorided chromium (VI) catalysts, and polymerization processes using the same |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA601919A (en) * | 1960-07-19 | R. Pfeifer Charles | Polymerization of ethylene | |
| US3392162A (en) * | 1954-08-03 | 1968-07-09 | Ziegler | Polymerization of ethylenically unsaturated hydrocarbons |
| US3008943A (en) * | 1955-12-01 | 1961-11-14 | Exxon Research Engineering Co | Polymerization catalyst |
| DE1236198B (de) * | 1962-04-21 | 1967-03-09 | Basf Ag | Verfahren zur Herstellung von Polymerisaten aus olefinisch ungesaettigten Kohlenwasserstoffen |
| FR1342477A (fr) * | 1962-12-10 | 1963-11-08 | British Hydrocarbon Chem Ltd | Préparation de compositions catalytiques pour la polymérisation des oléfines |
| US3513150A (en) * | 1965-11-23 | 1970-05-19 | Mitsubishi Chem Ind | Method of manufacturing polyethylene |
| US3709853A (en) * | 1971-04-29 | 1973-01-09 | Union Carbide Corp | Polymerization of ethylene using supported bis-(cyclopentadienyl)chromium(ii)catalysts |
| BE793717A (fr) * | 1972-01-07 | 1973-07-05 | Phillips Petroleum Co | Catalyseurs a base de gels de silices a grands pores |
| US3806500A (en) * | 1972-07-21 | 1974-04-23 | Union Carbide Corp | Polymerization with thermally aged catalyst |
| US3844975A (en) * | 1972-11-10 | 1974-10-29 | Union Carbide Corp | Thermally aged hydride based polymerization catalyst |
-
1974
- 1974-06-13 US US05/478,879 patent/US3953413A/en not_active Expired - Lifetime
-
1975
- 1975-06-03 GB GB23949/75A patent/GB1483871A/en not_active Expired
- 1975-06-06 CA CA228,748A patent/CA1059497A/en not_active Expired
- 1975-06-11 FR FR7518235A patent/FR2274354A1/fr active Granted
- 1975-06-12 FI FI751758A patent/FI61196C/fi not_active IP Right Cessation
- 1975-06-13 JP JP50070986A patent/JPS5110190A/ja active Granted
- 1975-06-13 DE DE2526618A patent/DE2526618C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3953413A (en) | 1976-04-27 |
| FI61196C (fi) | 1982-06-10 |
| FI751758A7 (enExample) | 1975-12-14 |
| DE2526618C2 (de) | 1986-01-09 |
| FI61196B (fi) | 1982-02-26 |
| JPS5110190A (en) | 1976-01-27 |
| JPS534079B2 (enExample) | 1978-02-14 |
| GB1483871A (en) | 1977-08-24 |
| FR2274354B1 (enExample) | 1983-04-22 |
| DE2526618A1 (de) | 1976-01-02 |
| FR2274354A1 (fr) | 1976-01-09 |
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