CA1180309A - Reactions selectives pour la configuration, a l'aide de catalyseurs a zeolites modifies par le cadmium - Google Patents

Reactions selectives pour la configuration, a l'aide de catalyseurs a zeolites modifies par le cadmium

Info

Publication number: CA1180309A
Authority: CA; Canada
Prior art keywords: zsm; zeolite; cadmium; catalyst; phosphorus
Prior art date: 1981-02-23
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

Application number

CA000371534A

Other languages

English (en)

Inventor

Chin C. Chu

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Mobil Oil AS

Original Assignee

Mobil Oil AS

Priority date (The priority date 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 date listed.)

1981-02-23

Filing date

1981-02-23

Publication date

1985-01-02

1981-02-23 Application filed by Mobil Oil AS filed Critical Mobil Oil AS

1981-02-23 Priority to CA000371534A priority Critical patent/CA1180309A/fr

1985-01-02 Application granted granted Critical

1985-01-02 Publication of CA1180309A publication Critical patent/CA1180309A/fr

Status Expired legal-status Critical Current

Links

HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical class O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims abstract description 98
239000003054 catalyst Substances 0.000 title claims abstract description 54
238000006243 chemical reaction Methods 0.000 title claims abstract description 47
239000010457 zeolite Substances 0.000 claims abstract description 120
229910021536 Zeolite Inorganic materials 0.000 claims abstract description 81
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 69
150000001875 compounds Chemical class 0.000 claims abstract description 38
239000000377 silicon dioxide Substances 0.000 claims abstract description 32
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 31
BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims abstract description 28
238000000034 method Methods 0.000 claims abstract description 26
229910052698 phosphorus Inorganic materials 0.000 claims abstract description 25
239000011574 phosphorus Substances 0.000 claims abstract description 25
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 23
229910052793 cadmium Inorganic materials 0.000 claims abstract description 21
150000001491 aromatic compounds Chemical class 0.000 claims abstract description 14
238000011282 treatment Methods 0.000 claims abstract description 10
239000000203 mixture Substances 0.000 claims description 29
238000007323 disproportionation reaction Methods 0.000 claims description 20
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 18
-1 phosphorus compound Chemical class 0.000 claims description 17
238000005804 alkylation reaction Methods 0.000 claims description 16
239000011230 binding agent Substances 0.000 claims description 11
230000029936 alkylation Effects 0.000 claims description 10
238000010555 transalkylation reaction Methods 0.000 claims description 7
CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Inorganic materials [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 claims description 6
CFEAAQFZALKQPA-UHFFFAOYSA-N cadmium(2+);oxygen(2-) Chemical compound [O-2].[Cd+2] CFEAAQFZALKQPA-UHFFFAOYSA-N 0.000 claims description 6
239000002168 alkylating agent Substances 0.000 claims description 5
229940100198 alkylating agent Drugs 0.000 claims description 5
229940065285 cadmium compound Drugs 0.000 claims description 4
150000001662 cadmium compounds Chemical class 0.000 claims description 4
230000004048 modification Effects 0.000 claims description 4
238000012986 modification Methods 0.000 claims description 4
150000004996 alkyl benzenes Chemical class 0.000 claims 1
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 175
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238000005342 ion exchange Methods 0.000 description 4
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QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
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125000003277 amino group Chemical group 0.000 description 3
QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
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238000011069 regeneration method Methods 0.000 description 3
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150000003463 sulfur Chemical class 0.000 description 3
238000012360 testing method Methods 0.000 description 3
229910001845 yogo sapphire Inorganic materials 0.000 description 3
FYGHSUNMUKGBRK-UHFFFAOYSA-N 1,2,3-trimethylbenzene Chemical compound CC1=CC=CC(C)=C1C FYGHSUNMUKGBRK-UHFFFAOYSA-N 0.000 description 2
KVNYFPKFSJIPBJ-UHFFFAOYSA-N 1,2-diethylbenzene Chemical compound CCC1=CC=CC=C1CC KVNYFPKFSJIPBJ-UHFFFAOYSA-N 0.000 description 2
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IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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230000004913 activation Effects 0.000 description 2
150000001298 alcohols Chemical class 0.000 description 2
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235000012211 aluminium silicate Nutrition 0.000 description 2
JYIBXUUINYLWLR-UHFFFAOYSA-N aluminum;calcium;potassium;silicon;sodium;trihydrate Chemical compound O.O.O.[Na].[Al].[Si].[K].[Ca] JYIBXUUINYLWLR-UHFFFAOYSA-N 0.000 description 2
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125000004429 atom Chemical group 0.000 description 1
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KKEYFWRCBNTPAC-UHFFFAOYSA-N benzene-dicarboxylic acid Natural products OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 1
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238000009835 boiling Methods 0.000 description 1
229910052796 boron Inorganic materials 0.000 description 1
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150000001661 cadmium Chemical class 0.000 description 1
229910000011 cadmium carbonate Inorganic materials 0.000 description 1
NHMJUOSYSOOPDM-UHFFFAOYSA-N cadmium cyanide Chemical compound [Cd+2].N#[C-].N#[C-] NHMJUOSYSOOPDM-UHFFFAOYSA-N 0.000 description 1
LVEULQCPJDDSLD-UHFFFAOYSA-L cadmium fluoride Chemical compound F[Cd]F LVEULQCPJDDSLD-UHFFFAOYSA-L 0.000 description 1
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229910000331 cadmium sulfate Inorganic materials 0.000 description 1
HBWKVDXNTCJIOW-UHFFFAOYSA-L cadmium(2+);2-hydroxypropanoate Chemical compound [Cd+2].CC(O)C([O-])=O.CC(O)C([O-])=O HBWKVDXNTCJIOW-UHFFFAOYSA-L 0.000 description 1
GKDXQAKPHKQZSC-UHFFFAOYSA-L cadmium(2+);carbonate Chemical compound [Cd+2].[O-]C([O-])=O GKDXQAKPHKQZSC-UHFFFAOYSA-L 0.000 description 1
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125000002091 cationic group Chemical group 0.000 description 1
229910052676 chabazite Inorganic materials 0.000 description 1
238000007385 chemical modification Methods 0.000 description 1
NDDSMIZUPBHSCL-UHFFFAOYSA-N chloro hypochlorite;phenylphosphane Chemical compound ClOCl.PC1=CC=CC=C1 NDDSMIZUPBHSCL-UHFFFAOYSA-N 0.000 description 1
KMJJJTCKNZYTEY-UHFFFAOYSA-N chloro-diethoxy-sulfanylidene-$l^{5}-phosphane Chemical compound CCOP(Cl)(=S)OCC KMJJJTCKNZYTEY-UHFFFAOYSA-N 0.000 description 1
XGRJZXREYAXTGV-UHFFFAOYSA-N chlorodiphenylphosphine Chemical compound C=1C=CC=CC=1P(Cl)C1=CC=CC=C1 XGRJZXREYAXTGV-UHFFFAOYSA-N 0.000 description 1
DQTRYXANLKJLPK-UHFFFAOYSA-N chlorophosphonous acid Chemical class OP(O)Cl DQTRYXANLKJLPK-UHFFFAOYSA-N 0.000 description 1
238000013375 chromatographic separation Methods 0.000 description 1
239000004927 clay Substances 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
229940000425 combination drug Drugs 0.000 description 1
239000000470 constituent Substances 0.000 description 1
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238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
229910000388 diammonium phosphate Inorganic materials 0.000 description 1
229910001649 dickite Inorganic materials 0.000 description 1
LXCYSACZTOKNNS-UHFFFAOYSA-N diethoxy(oxo)phosphanium Chemical compound CCO[P+](=O)OCC LXCYSACZTOKNNS-UHFFFAOYSA-N 0.000 description 1
RDXABLXNTVBVML-UHFFFAOYSA-N diethoxyphosphanyl diethyl phosphite Chemical compound CCOP(OCC)OP(OCC)OCC RDXABLXNTVBVML-UHFFFAOYSA-N 0.000 description 1
150000005195 diethylbenzenes Chemical class 0.000 description 1
ZUKLAAHCPUBQLQ-UHFFFAOYSA-N diethylphosphinous acid Chemical compound CCP(O)CC ZUKLAAHCPUBQLQ-UHFFFAOYSA-N 0.000 description 1
239000003085 diluting agent Substances 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
BEQVQKJCLJBTKZ-UHFFFAOYSA-N diphenylphosphinic acid Chemical compound C=1C=CC=CC=1P(=O)(O)C1=CC=CC=C1 BEQVQKJCLJBTKZ-UHFFFAOYSA-N 0.000 description 1
JIKVJUUIMIGAAO-UHFFFAOYSA-N diphenylphosphinous acid Chemical compound C=1C=CC=CC=1P(O)C1=CC=CC=C1 JIKVJUUIMIGAAO-UHFFFAOYSA-N 0.000 description 1
NFORZJQPTUSMRL-UHFFFAOYSA-N dipropan-2-yl hydrogen phosphite Chemical compound CC(C)OP(O)OC(C)C NFORZJQPTUSMRL-UHFFFAOYSA-N 0.000 description 1
238000004821 distillation Methods 0.000 description 1
229940069096 dodecene Drugs 0.000 description 1
OYFJQPXVCSSHAI-QFPUQLAESA-N enalapril maleate Chemical compound OC(=O)\C=C/C(O)=O.C([C@@H](C(=O)OCC)N[C@@H](C)C(=O)N1[C@@H](CCC1)C(O)=O)CC1=CC=CC=C1 OYFJQPXVCSSHAI-QFPUQLAESA-N 0.000 description 1
150000002170 ethers Chemical class 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
238000000605 extraction Methods 0.000 description 1
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238000004817 gas chromatography Methods 0.000 description 1
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239000011521 glass Substances 0.000 description 1
150000004820 halides Chemical class 0.000 description 1
229910052621 halloysite Inorganic materials 0.000 description 1
150000008282 halocarbons Chemical class 0.000 description 1
GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
239000012535 impurity Substances 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
239000011261 inert gas Substances 0.000 description 1
238000011221 initial treatment Methods 0.000 description 1
229910010272 inorganic material Inorganic materials 0.000 description 1
239000011147 inorganic material Substances 0.000 description 1
229910052809 inorganic oxide Inorganic materials 0.000 description 1
230000002427 irreversible effect Effects 0.000 description 1
229910052622 kaolinite Inorganic materials 0.000 description 1
150000002576 ketones Chemical class 0.000 description 1
229910001711 laumontite Inorganic materials 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
229910052749 magnesium 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
229910052748 manganese Inorganic materials 0.000 description 1
239000011572 manganese Substances 0.000 description 1
239000012022 methylating agents‎ Substances 0.000 description 1
230000001035 methylating effect Effects 0.000 description 1
150000007522 mineralic acids Chemical class 0.000 description 1
235000019837 monoammonium phosphate Nutrition 0.000 description 1
229910052901 montmorillonite Inorganic materials 0.000 description 1
AFFLGGQVNFXPEV-UHFFFAOYSA-N n-decene Natural products CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
229910017604 nitric acid Inorganic materials 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
NOUWNNABOUGTDQ-UHFFFAOYSA-N octane Chemical compound CCCCCCC[CH2+] NOUWNNABOUGTDQ-UHFFFAOYSA-N 0.000 description 1
150000002894 organic compounds Chemical class 0.000 description 1
239000012074 organic phase Substances 0.000 description 1
MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical group [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-O oxonium Chemical compound [OH3+] XLYOFNOQVPJJNP-UHFFFAOYSA-O 0.000 description 1
229910052763 palladium Inorganic materials 0.000 description 1
239000002245 particle Substances 0.000 description 1
239000008188 pellet Substances 0.000 description 1
NMHMNPHRMNGLLB-UHFFFAOYSA-N phloretic acid Chemical compound OC(=O)CCC1=CC=C(O)C=C1 NMHMNPHRMNGLLB-UHFFFAOYSA-N 0.000 description 1
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
239000010452 phosphate Substances 0.000 description 1
235000021317 phosphate Nutrition 0.000 description 1
150000003003 phosphines Chemical class 0.000 description 1
RYIOLWQRQXDECZ-UHFFFAOYSA-N phosphinous acid Chemical class PO RYIOLWQRQXDECZ-UHFFFAOYSA-N 0.000 description 1
150000008301 phosphite esters Chemical class 0.000 description 1
AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
LFGREXWGYUGZLY-UHFFFAOYSA-N phosphoryl Chemical class [P]=O LFGREXWGYUGZLY-UHFFFAOYSA-N 0.000 description 1
229920000768 polyamine Polymers 0.000 description 1
239000005020 polyethylene terephthalate Substances 0.000 description 1
230000036619 pore blockages Effects 0.000 description 1
238000002459 porosimetry Methods 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
239000002243 precursor Substances 0.000 description 1
150000003141 primary amines Chemical class 0.000 description 1
235000019260 propionic acid Nutrition 0.000 description 1
IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
230000005855 radiation Effects 0.000 description 1
VMXUWOKSQNHOCA-UKTHLTGXSA-N ranitidine Chemical compound [O-][N+](=O)\C=C(/NC)NCCSCC1=CC=C(CN(C)C)O1 VMXUWOKSQNHOCA-UKTHLTGXSA-N 0.000 description 1
238000005057 refrigeration Methods 0.000 description 1
101150085857 rpo2 gene Proteins 0.000 description 1
239000004576 sand Substances 0.000 description 1
150000003335 secondary amines Chemical class 0.000 description 1
239000000741 silica gel Substances 0.000 description 1
229910002027 silica gel Inorganic materials 0.000 description 1
RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
229910001388 sodium aluminate Inorganic materials 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
229910001415 sodium ion Inorganic materials 0.000 description 1
NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
229910052911 sodium silicate Inorganic materials 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
238000010561 standard procedure Methods 0.000 description 1
230000003068 static effect Effects 0.000 description 1
229910052678 stilbite Inorganic materials 0.000 description 1
WSANLGASBHUYGD-UHFFFAOYSA-N sulfidophosphanium Chemical group S=[PH3] WSANLGASBHUYGD-UHFFFAOYSA-N 0.000 description 1
230000002459 sustained effect Effects 0.000 description 1
239000012209 synthetic fiber Substances 0.000 description 1
229920002994 synthetic fiber Polymers 0.000 description 1
150000003512 tertiary amines Chemical class 0.000 description 1
VSAISIQCTGDGPU-UHFFFAOYSA-N tetraphosphorus hexaoxide Chemical compound O1P(O2)OP3OP1OP2O3 VSAISIQCTGDGPU-UHFFFAOYSA-N 0.000 description 1
238000007669 thermal treatment Methods 0.000 description 1
GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
150000003613 toluenes Chemical class 0.000 description 1
BDZBKCUKTQZUTL-UHFFFAOYSA-N triethyl phosphite Chemical compound CCOP(OCC)OCC BDZBKCUKTQZUTL-UHFFFAOYSA-N 0.000 description 1
WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
239000012808 vapor phase Substances 0.000 description 1
229910052725 zinc Inorganic materials 0.000 description 1
239000011701 zinc Substances 0.000 description 1

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Catalysts (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

CA000371534A 1981-02-23 1981-02-23 Reactions selectives pour la configuration, a l'aide de catalyseurs a zeolites modifies par le cadmium Expired CA1180309A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000371534A CA1180309A (fr)	1981-02-23	1981-02-23	Reactions selectives pour la configuration, a l'aide de catalyseurs a zeolites modifies par le cadmium

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000371534A CA1180309A (fr)	1981-02-23	1981-02-23	Reactions selectives pour la configuration, a l'aide de catalyseurs a zeolites modifies par le cadmium

Publications (1)

Publication Number	Publication Date
CA1180309A true CA1180309A (fr)	1985-01-02

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CA000371534A Expired CA1180309A (fr)	1981-02-23	1981-02-23	Reactions selectives pour la configuration, a l'aide de catalyseurs a zeolites modifies par le cadmium

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CA (1)	CA1180309A (fr)

1981
- 1981-02-23 CA CA000371534A patent/CA1180309A/fr not_active Expired

Legal Events

Date	Code	Title	Description
2002-01-02	MKEX	Expiry

Publication	Publication Date	Title
CA1180310A (fr)	1985-01-02	Reactions selectives pour la configuration, utilisant des catalyseurs a base de zeolites, modifies par des elements du groupe ib
US4361713A (en)	1982-11-30	Para-selective zeolite catalysts treated with halogen compounds
CA1180307A (fr)	1985-01-02	Reactions selectives pour la configuration, utilisant des catalyseurs aux zeolites, modifies par des metaux du groupe ivb
CA1180313A (fr)	1985-01-02	Reactions utilisant des catalyseurs aux zeolites, modifies par des metaux du groupe iva
US4380685A (en)	1983-04-19	Shape selective reactions with zeolite catalysts modified with iron and/or cobalt
EP0040900B1 (fr)	1985-02-13	Réactions sélectives avec des catalyseurs modifiés par indium ou thallium
US4365104A (en)	1982-12-21	Para-selective zeolite catalysts treated with sulfur compounds
US4302622A (en)	1981-11-24	Shape selective reactions utilizing group III a metal-modified zeolite catalyst
US4399059A (en)	1983-08-16	Zeolite catalysts modified with group IIIA metal
US4288647A (en)	1981-09-08	Shape selective reactions with alkaline earth-modified zeolite catalysts
US4374294A (en)	1983-02-15	Zeolite catalysts modified with group IIIA metal
CA1180314A (fr)	1985-01-02	Reactions selectives pour la configuration, utilisant des zeolites modifiees par des metaux du groupe v a
US4371457A (en)	1983-02-01	Zeolites modified with group VA metals
US4384155A (en)	1983-05-17	Shape selective reactions with cadmium-modified zeolite catalysts
US4370508A (en)	1983-01-25	Para-selective zeolite catalysts treated with nitrogen compounds
US4275256A (en)	1981-06-23	Shape selective reactions with group VIIA metal modified zeolite catalysts
US4357264A (en)	1982-11-02	Alkaline earth metal modified zeolite catalysts
US4472518A (en)	1984-09-18	Shape selective reactions with zeolite catalysts modified with iron and/or cobalt
US4349461A (en)	1982-09-14	Group VIIA metal-modified zeolite catalysts
US4581215A (en)	1986-04-08	Para-selective zeolite catalysts treated with halogen compounds
CA1181056A (fr)	1985-01-15	Reactions selectives pour la configuration, en presence de catalyseurs aux zeolites modifies au beryllium
US4477584A (en)	1984-10-16	Para-selective zeolite catalysts treated with nitrogen compounds
CA1180311A (fr)	1985-01-02	Reactions selectives pour la configuration, a l'aide d'un catalyseur a zeolite, modifie au fer et (ou) au cobalt
US4478949A (en)	1984-10-23	Para-selective zeolite catalysts treated with sulfur compounds
CA1180309A (fr)	1985-01-02	Reactions selectives pour la configuration, a l'aide de catalyseurs a zeolites modifies par le cadmium