IT1129809B - Composizione catalitica per la conversione di idrocarburi e procedimento per la disidratazione di acidi perfluoroalcansolfonici destinati a fare parte bella composizione - Google Patents

Composizione catalitica per la conversione di idrocarburi e procedimento per la disidratazione di acidi perfluoroalcansolfonici destinati a fare parte bella composizione

Info

Publication number
IT1129809B
IT1129809B IT67393/80A IT6739380A IT1129809B IT 1129809 B IT1129809 B IT 1129809B IT 67393/80 A IT67393/80 A IT 67393/80A IT 6739380 A IT6739380 A IT 6739380A IT 1129809 B IT1129809 B IT 1129809B
Authority
IT
Italy
Prior art keywords
composition
perfluoroalcansolphonic
dehydration
hydrocarbons
conversion
Prior art date
Application number
IT67393/80A
Other languages
English (en)
Other versions
IT8067393A0 (it
Inventor
George Andrew Olah
Original Assignee
Ugine Kuhlmann
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.)
Filing date
Publication date
Application filed by Ugine Kuhlmann filed Critical Ugine Kuhlmann
Publication of IT8067393A0 publication Critical patent/IT8067393A0/it
Application granted granted Critical
Publication of IT1129809B publication Critical patent/IT1129809B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0215—Sulfur-containing compounds
    • B01J31/0225—Sulfur-containing compounds comprising sulfonic acid groups or the corresponding salts
    • B01J31/0227—Sulfur-containing compounds comprising sulfonic acid groups or the corresponding salts being perfluorinated, i.e. comprising at least one perfluorinated moiety as substructure in case of polyfunctional compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
    • B01J31/36—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of vanadium, niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/54—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring
    • C07C2/56—Addition to acyclic hydrocarbons
    • C07C2/58—Catalytic processes
    • C07C2/62—Catalytic processes with acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/54—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring
    • C07C2/64—Addition to a carbon atom of a six-membered aromatic ring
    • C07C2/66—Catalytic processes
    • C07C2/70—Catalytic processes with acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
    • C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
    • C07C5/2767—Changing the number of side-chains
    • C07C5/277—Catalytic processes
    • C07C5/2794—Catalytic processes with hydrides or organic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C6/00—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions
    • C07C6/08—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond
    • C07C6/12—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond of exclusively hydrocarbons containing a six-membered aromatic ring
    • C07C6/126—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond of exclusively hydrocarbons containing a six-membered aromatic ring of more than one hydrocarbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/40—Substitution reactions at carbon centres, e.g. C-C or C-X, i.e. carbon-hetero atom, cross-coupling, C-H activation or ring-opening reactions
    • B01J2231/42—Catalytic cross-coupling, i.e. connection of previously not connected C-atoms or C- and X-atoms without rearrangement
    • B01J2231/4205—C-C cross-coupling, e.g. metal catalyzed or Friedel-Crafts type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/50—Redistribution or isomerisation reactions of C-C, C=C or C-C triple bonds
    • B01J2231/52—Isomerisation reactions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/1616—Coordination complexes, e.g. organometallic complexes, immobilised on an inorganic support, e.g. ship-in-a-bottle type catalysts
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/02—Boron or aluminium; Oxides or hydroxides thereof
    • C07C2521/04—Alumina
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • C07C2521/08—Silica
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • C07C2527/06—Halogens; Compounds thereof
    • C07C2527/08—Halides
    • C07C2527/12—Fluorides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • C07C2527/06—Halogens; Compounds thereof
    • C07C2527/133—Compounds comprising a halogen and vanadium, niobium, tantalium, antimonium or bismuth
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2531/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • C07C2531/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • C07C2531/025—Sulfonic acids
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
IT67393/80A 1979-03-26 1980-03-13 Composizione catalitica per la conversione di idrocarburi e procedimento per la disidratazione di acidi perfluoroalcansolfonici destinati a fare parte bella composizione IT1129809B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2367679A 1979-03-26 1979-03-26

Publications (2)

Publication Number Publication Date
IT8067393A0 IT8067393A0 (it) 1980-03-13
IT1129809B true IT1129809B (it) 1986-06-11

Family

ID=21816558

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67393/80A IT1129809B (it) 1979-03-26 1980-03-13 Composizione catalitica per la conversione di idrocarburi e procedimento per la disidratazione di acidi perfluoroalcansolfonici destinati a fare parte bella composizione

Country Status (10)

Country Link
US (2) US4547474A (it)
JP (1) JPS55129154A (it)
BE (1) BE882427A (it)
CA (1) CA1146926A (it)
DE (1) DE3011128C2 (it)
FR (1) FR2452319B1 (it)
GB (1) GB2044628B (it)
IT (1) IT1129809B (it)
LU (1) LU82289A1 (it)
NL (1) NL8001749A (it)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1129809B (it) * 1979-03-26 1986-06-11 Ugine Kuhlmann Composizione catalitica per la conversione di idrocarburi e procedimento per la disidratazione di acidi perfluoroalcansolfonici destinati a fare parte bella composizione
DE3407596A1 (de) * 1984-03-01 1985-09-05 Merck Patent Gmbh, 6100 Darmstadt Verfahren zur herstellung von mikrokristalliner triacetylcellulose
US4721559A (en) * 1986-10-17 1988-01-26 Olah George A Boron, aluminum and gallium perfluoro alkanesulfonate and resinsulfonate catalysts
US5110778A (en) * 1986-10-17 1992-05-05 Olah George A Boron aluminum and gallium perfluoro alkanesulfonate and resinsulfonate catalysts
US4943553A (en) * 1986-12-25 1990-07-24 Nippon Steel Chemical Co., Ltd. Method of making ethylbiphenyls
US4983566A (en) * 1987-03-09 1991-01-08 Aluminum Company Of America Surface-modified adsorbent comprising metal oxide/hydroxide particles reacted with one or more perfluorinated organic acids
EP0371034A4 (en) * 1987-07-02 1993-02-24 Exabyte Corporation Method and apparatus for data buffer management
DK168520B1 (da) * 1989-12-18 1994-04-11 Topsoe Haldor As Fremgangsmåde til væskefase-alkylering af et carbonhydrid med et olefinalkyleringsmiddel
US5084586A (en) * 1990-02-12 1992-01-28 Minnesota Mining And Manufacturing Company Novel initiators for cationic polymerization
US5124417A (en) * 1990-02-12 1992-06-23 Minnesota Mining And Manufacturing Company Initiators for cationic polymerization
US5073674A (en) * 1990-04-20 1991-12-17 Olah George A Environmentally safe catalytic alkyation using liquid onium poly (hydrogen fluorides)
US5097087A (en) * 1990-10-15 1992-03-17 Texaco Chemical Company Dimerization of long-chain olefins using a fluorocarbonsulfonic acid polymer on an inert support
US5157196A (en) * 1990-12-24 1992-10-20 Chemical Research & Licensing Company Paraffin alkylation process
US5190904A (en) * 1990-12-24 1993-03-02 Chemical Research & Licensing Company Paraffin alkylation catalyst
US5157199A (en) * 1991-04-01 1992-10-20 Exxon Research And Engineering Co. Isomerization of paraffins with strong solid acid catalyst and adamantane
US5276239A (en) * 1992-07-27 1994-01-04 Texaco Chemical Company Dimerization of long-chain olefins using a silica gel alkylsulfonic acid
US5233119A (en) * 1992-11-09 1993-08-03 Phillips Petroleum Company Alkylation process and catalyst therefor
IT1265051B1 (it) * 1993-08-06 1996-10-28 Eniricerche Spa Processo per l'alchilazione di idrocarburi alifatici con olefine
US5364976A (en) * 1993-10-29 1994-11-15 Phillips Petroleum Company Alkylation/etherification process
US5824622A (en) * 1994-01-12 1998-10-20 E. I. Du Pont De Nemours And Company Porous microcomposite of perfluorinated ion-exchange polymer and metal oxide, a network of silica, or a network of metal oxide and silica derived via a sol-gel process
EP0663377A1 (en) * 1994-01-13 1995-07-19 Haldor Topsoe A/S Alkylation process
US5489564A (en) * 1994-09-07 1996-02-06 Phillips Petroleum Company Alkane disproportionation
DK172069B1 (da) * 1994-12-21 1997-10-13 Topsoe Haldor As Fremgangsmåde til fremstilling af et isobutan/isohexanholdigt produkt
EP0787706B1 (en) * 1996-01-30 2000-11-22 BP Amoco Corporation Olefin isomerization process
FR2744720B1 (fr) * 1996-02-09 1998-04-10 Rhone Poulenc Chimie Procede d'hydroxylation de composes phenoliques
US5798417A (en) * 1996-10-15 1998-08-25 E. I. Du Pont De Nemours And Company (Fluorovinyl ether)-grafted high-surface-area polyolefins and preparation thereof
US6281309B1 (en) 1997-01-08 2001-08-28 Eastman Chemical Company Flourinated solid acids as catalysts for the preparation of hydrocarbon resins
DK39897A (da) * 1997-04-09 1998-10-10 Haldor Topsoe As Fremgangsmåde til fjernelse af aromatiske forbindelser fra en carbonhydridblanding
US5922635A (en) * 1997-05-07 1999-07-13 Olah; George A. Nanoscale solid superacid catalysts with pendant fluoroalkylsulfonic acid or fluoro, perfluoroalkylsulfonic acid groups
US6018088A (en) * 1997-05-07 2000-01-25 Olah; George A. Superacid catalyzed formylation-rearrangement of saturated hydrocarbons
FR2771419B1 (fr) * 1997-11-25 1999-12-31 Inst Francais Du Petrole Essences a haut indice d'octane et leur production par un procede associant hydro-isomerisation et separation
US6228797B1 (en) 1998-12-11 2001-05-08 Phillips Petroleum Company Oligomerization catalyst system and method of making and method of using such catalyst system in the oligomerization of olefins
US6479598B1 (en) 1999-07-20 2002-11-12 Exxonmobil Chemical Patents Inc. Petroleum resins and their production with BF3 catalyst
US6281401B1 (en) * 1999-09-16 2001-08-28 Phillips Petroleum Company Oligomerization of olefins
US6395673B1 (en) 2000-06-29 2002-05-28 E. I. Du Pont De Nemours And Company Catalyst of mixed fluorosulfonic acids
DE60112196T2 (de) 2000-08-28 2005-12-29 Haldor Topsoe A/S Verfahren zur Herstellung von monoalkylierten aromatischen Verbindungen
US6855857B2 (en) * 2000-10-11 2005-02-15 Bp Oil International Limited Isomerisation process
EP1357167A1 (en) * 2002-04-18 2003-10-29 Haldor Topsoe A/S Process for production of high quality gasoline with low aromatic content
US20080116053A1 (en) * 2006-11-20 2008-05-22 Abb Lummus Global Inc. Non-refluxing reactor stripper

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766286A (en) * 1971-06-25 1973-10-16 Exxon Research Engineering Co Process for the isomerization of hydrocarbons
US3708553A (en) * 1971-06-25 1973-01-02 Exxon Research Engineering Co Alkylation process utilizing a lewis acid halide with fluorosulfuric or trifluoromethanesulfonic acid
US3878261A (en) * 1973-08-24 1975-04-15 Phillips Petroleum Co Hydroisomerization of paraffin hydrocarbon with a supported catalyst of SbF{HD 5 {B and CF{HD 3{B SO{HD 3{B H
US4044069A (en) * 1973-09-26 1977-08-23 Societe Nationale Elf Aquitaine Catalytic composition for the isomerization and alkylation of hydrocarbons
FR2244563B1 (it) * 1973-09-26 1976-06-18 Erap
US4116880A (en) * 1977-06-16 1978-09-26 Produits Chimiques Ugine Kuhlmann Solid catalysts based on fluorinated graphite
IT1129809B (it) * 1979-03-26 1986-06-11 Ugine Kuhlmann Composizione catalitica per la conversione di idrocarburi e procedimento per la disidratazione di acidi perfluoroalcansolfonici destinati a fare parte bella composizione
US4288646A (en) * 1979-10-05 1981-09-08 Pcuk Produits Chimiques Ugine Kuhlmann Regioselective preparation of β-isopropylnaphthalene over superacidic solid or supported perfluorinated sulfonic acid catalysts
US4547606A (en) * 1980-03-14 1985-10-15 Pcuk Produits Chimiques Ugine Kuhlmann Selective isomerization of di-isopropyl benzene to meta-di-isopropyl benzene
US4339614A (en) * 1980-03-14 1982-07-13 Pcuk Produits Chimiques Ugine Kuhlmann Superacid catalyzed preparation of resorcinol from meta-isopropylphenol
US4423254A (en) * 1980-03-14 1983-12-27 Pcuk Produits Chimiques Ugine Kuhlmann Superacid catalyzed preparation of resorcinol from meta-isopropylphenol
US4424382A (en) * 1980-03-14 1984-01-03 Pcuk Produits Chimiques Ugine Kuhlmann Superacid catalyzed preparation of resorcinol from meta-isopropylepheol
US4339613A (en) * 1980-03-14 1982-07-13 Pcuk Produits Chimiques Ugine Kuhlmann Superacid catalyzed preparation of resorcinol from meta-diisopropylbenzene
US4547604A (en) * 1980-03-14 1985-10-15 Pcuk Produits Chimiques Ugine Kuhlmann Selective isopropylation of cumene to meta-diisopropylbenzene
US4503263A (en) * 1980-08-18 1985-03-05 Atochem Process for the preparation of octane boosting branched aliphatic ethers using solid superacid catalysts

Also Published As

Publication number Publication date
JPS55129154A (en) 1980-10-06
DE3011128A1 (de) 1980-10-23
FR2452319A1 (fr) 1980-10-24
JPH0312938B2 (it) 1991-02-21
CA1146926A (fr) 1983-05-24
DE3011128C2 (de) 1986-01-30
FR2452319B1 (fr) 1987-08-14
GB2044628A (en) 1980-10-22
NL8001749A (nl) 1980-09-30
US4547474A (en) 1985-10-15
IT8067393A0 (it) 1980-03-13
GB2044628B (en) 1983-08-17
US4613723A (en) 1986-09-23
BE882427A (fr) 1980-09-25
LU82289A1 (fr) 1981-10-30

Similar Documents

Publication Publication Date Title
IT1129809B (it) Composizione catalitica per la conversione di idrocarburi e procedimento per la disidratazione di acidi perfluoroalcansolfonici destinati a fare parte bella composizione
DE2963353D1 (en) Catalytic composition and its application to the oligomerisation of olefins
RO76129A (ro) Compozitie catalitica folosita la obtinerea acizilor nesaturati
ZA774774B (en) Catalyst components useful to polymerize alpha-olefins and catalysts obtained therefrom
MX6358E (es) Dispositivo de fondeado y de transferencia mejorado para la produccion de hidrocarburos
MX6255E (es) Procedimiento para preparar benzamidas substituidas
AR229081A1 (es) Procedimiento para preparar nuevas mercaptoacilprolinas
MX153567A (es) Mejoras a procedimiento catalitico para la preparacion de esteres de acidos carboxilicos
BR7908260A (pt) Composicao catalisadora e processo para converter gas de sintese
EP0230776A3 (en) Catalyst for vapor-phase intermolecular dehydration reaction of alkanolamines
EG13897A (en) Aluminum modified silica and its uses as catalyst
MX5054E (es) Composicion catalitica mejorada para la conversion de monoxido de carbono y procedimiento para su elaboracion
ES555559A0 (es) Procedimiento para preparar alfa-aminoacidos sustituidos
MX146250A (es) Composicion catalitica mejorada para polimerizar alfa-olefinas
IT1195264B (it) Processo per preparare catalizzatori per la conversione di idrocarburi
AR221897A1 (es) Composicion catalizadora y procedimiento para preparar metacroleina con la misma
IT7947920A0 (it) Catalizzatore sferico attivato con cerio per la sintesi dell'ammoniaca e il procedimento per la sua produzione
BR8602499A (pt) Processo e catalisador para a conversao de ciclo-hexanol a ciclo-hexanona
BR7900666A (pt) Processo para conversao catalitica de hidrocarbonetos
BR7600005A (pt) Processo aperfeicoado para converter um hidrocarboneto e composito catalitico acido
AR227270A1 (es) Procedimiento para obtener acidos 3-(1-alquil(c1-c4)-tetrazoliltiometil)-7-glicilamido-1-oxadetia-3-cefem-4-carboxilico
JPS51147491A (en) Catalysts for conversion to methane and method thereof
PT66123B (en) Process for the preparation of a novel catalytic composition and application of said catalytic composition to the polymerization of olephines
IT1121490B (it) Procedimento per produrre allumina sferoidale dall idrargillite
RO76535A (ro) Procedeu pentru prepararea unui catalizator utilizat la sinteza metanolului