ES2159658T3 - Procedimiento y catalizador de hidrogenacion de alquinos. - Google Patents

Procedimiento y catalizador de hidrogenacion de alquinos.

Info

Publication number
ES2159658T3
ES2159658T3 ES96106101T ES96106101T ES2159658T3 ES 2159658 T3 ES2159658 T3 ES 2159658T3 ES 96106101 T ES96106101 T ES 96106101T ES 96106101 T ES96106101 T ES 96106101T ES 2159658 T3 ES2159658 T3 ES 2159658T3
Authority
ES
Spain
Prior art keywords
catalyst
preferibly
hydrogenation
alkin
procedure
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 - Lifetime
Application number
ES96106101T
Other languages
English (en)
Inventor
Stan A Zisman
James B Kimble
Scott H Brown
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.)
Phillips Petroleum Co
Original Assignee
Phillips Petroleum Co
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 Phillips Petroleum Co filed Critical Phillips Petroleum Co
Application granted granted Critical
Publication of ES2159658T3 publication Critical patent/ES2159658T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56Platinum group metals
    • B01J23/58Platinum group metals with alkali- or alkaline earth metals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00Purification; Separation; Use of additives
    • C07C7/148Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
    • C07C7/163Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound by hydrogenation
    • C07C7/167Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound by hydrogenation for removal of compounds containing a triple carbon-to-carbon bond
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56Platinum group metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/66Silver or gold
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/06Halogens; Compounds thereof
    • B01J27/08Halides
    • B01J27/12Fluorides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/06Halogens; Compounds thereof
    • B01J27/128Halogens; Compounds thereof with iron group metals or platinum group metals
    • B01J27/13Platinum group metals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/02Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation
    • C07C5/08Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation of carbon-to-carbon triple bonds
    • C07C5/09Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation of carbon-to-carbon triple bonds to carbon-to-carbon double bonds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/02Boron or aluminium; Oxides or hydroxides thereof
    • C07C2521/04Alumina
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/02Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the alkali- or alkaline earth metals or beryllium
    • C07C2523/04Alkali metals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/40Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
    • C07C2523/44Palladium
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/48Silver or gold
    • C07C2523/50Silver
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals combined with metals, oxides or hydroxides provided for in groups C07C2523/02 - C07C2523/36
    • C07C2523/56Platinum group metals
    • C07C2523/58Platinum group metals with alkali- or alkaline earth metals or beryllium
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
    • C07C2523/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals combined with metals, oxides or hydroxides provided for in groups C07C2523/02 - C07C2523/36
    • C07C2523/66Silver or gold

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

UNA COMPOSICION DE CATALIZADOR QUE ABARCA PALADIO, AL MENOS UN METAL ALCALINO ENLAZADO QUIMICAMENTE (PREFERIBLEMENTE POTASIO), FLUOR ENLAZADO QUIMICAMENTE Y UN MATERIAL DE APOYO INORGANICO (PREFERIBLEMENTE ALUMINIO), SIENDO LA RELACION ATOMICA ENTRE EL FLUOR Y LOS METALES ALCALINOS DE ENTRE APROX. 1,3:1 Y APROX. 4:1. DE FORMA PREFERIBLE, LA PLATA TAMBIEN ESTA PRESENTE EN LA COMPOSICION CATALIZADORA. EL CATALIZADOR ANTES DESCRITO SE EMPLEA COMO CATALIZADOR EN LA HIDROGENACION SELECTIVA DE ALQUINOS C2-C10 (PREFERIBLEMENTE ACETILENO) HASTA OBTENER LOS ALQUENOS CORRESPONDIENTES, EN PRESENCIA DE IMPUREZAS DE SULFURO.
ES96106101T 1995-04-19 1996-04-18 Procedimiento y catalizador de hidrogenacion de alquinos. Expired - Lifetime ES2159658T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/424,733 US5587348A (en) 1995-04-19 1995-04-19 Alkyne hydrogenation catalyst and process

Publications (1)

Publication Number Publication Date
ES2159658T3 true ES2159658T3 (es) 2001-10-16

Family

ID=23683665

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96106101T Expired - Lifetime ES2159658T3 (es) 1995-04-19 1996-04-18 Procedimiento y catalizador de hidrogenacion de alquinos.

Country Status (11)

Country Link
US (2) US5587348A (es)
EP (1) EP0738540B1 (es)
JP (1) JPH08290060A (es)
KR (1) KR100387206B1 (es)
AR (1) AR001620A1 (es)
AU (1) AU679873B2 (es)
CA (1) CA2168387C (es)
DE (1) DE69614748T2 (es)
ES (1) ES2159658T3 (es)
MY (1) MY115733A (es)
SG (1) SG46661A1 (es)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6054409A (en) * 1995-06-06 2000-04-25 Institut Francais Du Petrole Selective hydrogenation catalyst and a process using that catalyst
US6096933A (en) * 1996-02-01 2000-08-01 Phillips Petroleum Company Hydrocarbon hydrogenation and catalyst therefor
AU692723B2 (en) * 1996-02-01 1998-06-11 Phillips Petroleum Company Catalyst composition and process for selecting hydrogenation of diolefins
US6127310A (en) * 1997-02-27 2000-10-03 Phillips Petroleum Company Palladium containing hydrogenation catalysts
WO1999017877A1 (en) * 1997-10-02 1999-04-15 Akzo Nobel N.V. Treatment to improve the durability and selectivity of a hydrodechlorination catalyst and catalyst
DE19840373A1 (de) 1998-09-04 2000-03-09 Basf Ag Katalysator und Verfahren zur Selektivhydrierung ungesättigter Verbindungen in Kohlenwasserstoffströmen
US6127588A (en) * 1998-10-21 2000-10-03 Phillips Petroleum Company Hydrocarbon hydrogenation catalyst and process
US6130260A (en) * 1998-11-25 2000-10-10 The Texas A&M University Systems Method for converting natural gas to liquid hydrocarbons
US6602920B2 (en) * 1998-11-25 2003-08-05 The Texas A&M University System Method for converting natural gas to liquid hydrocarbons
AU2880600A (en) * 1999-02-18 2000-09-04 Phillips Petroleum Company Alkyne hydrogenation process
CA2392259A1 (en) * 1999-12-13 2001-06-14 Phillips Petroleum Company Hydrocarbon hydrogenation catalyst and process
DE10048219A1 (de) * 2000-02-10 2002-04-11 Sued Chemie Ag Katalysator für die Hydrierung von ungesättigten Kohlenwasserstoffen
US6465391B1 (en) * 2000-08-22 2002-10-15 Phillips Petroleum Company Selective hydrogenation catalyst and processes therefor and therewith
CN1107708C (zh) * 2000-10-17 2003-05-07 中国石油天然气股份有限公司兰州石化分公司 烃类物流中不饱和炔烃高选择性加氢催化剂
US6734130B2 (en) * 2001-09-07 2004-05-11 Chvron Phillips Chemical Company Lp Hydrocarbon hydrogenation catalyst composition, a process of treating such catalyst composition, and a process of using such catalyst composition
US20030134744A1 (en) * 2001-12-19 2003-07-17 Sud-Chemie Inc. Process for production and distribution of a prereduced selective hydrogenation catalyst
US20030204120A1 (en) * 2002-04-26 2003-10-30 Bergmeister Joseph J. Selective hydrogenation process
US6949686B2 (en) 2002-05-30 2005-09-27 Equistar Chemicals, Lp Pyrolysis gasoline stabilization
MY137042A (en) * 2002-06-14 2008-12-31 Chevron Phillips Chemical Co Hydrogenation palladium-silver catalyst and methods
WO2004074220A1 (en) * 2003-02-18 2004-09-02 Chevron Phillips Chemical Company Acetylene hydrogenation catalyst with segregated palladium skin
US20040260131A1 (en) * 2003-06-23 2004-12-23 Chevron Phillips Chemical Company ("Cpchem") Selective hydrocarbon hydrogenation catalyst and process
US7919431B2 (en) 2003-09-03 2011-04-05 Synfuels International, Inc. Catalyst formulation for hydrogenation
US7045670B2 (en) * 2003-09-03 2006-05-16 Synfuels International, Inc. Process for liquid phase hydrogenation
US7199076B2 (en) * 2003-12-19 2007-04-03 Chevron Phillips Chemical Company Lp Methods of making and using a selective hydrogenation catalyst
US20060166816A1 (en) * 2004-06-23 2006-07-27 Catalytic Solutions, Inc. Catalysts and processes for selective hydrogenation of acetylene and dienes in light olefin feedstreams
US7521393B2 (en) * 2004-07-27 2009-04-21 Süd-Chemie Inc Selective hydrogenation catalyst designed for raw gas feed streams
US8013197B2 (en) * 2005-02-18 2011-09-06 Synfuels International, Inc. Absorption and conversion of acetylenic compounds
CN102728352A (zh) 2005-07-27 2012-10-17 切夫里昂菲利普化学有限责任公司 选择性加氢催化剂及其制备和使用方法
ATE513608T1 (de) * 2006-04-28 2011-07-15 Haldor Topsoe As Verfahren zum entfernen von wasserstoffcyanid und ameisensäure aus synthesegas
KR20110049820A (ko) * 2008-07-31 2011-05-12 허니웰 인터내셔널 인코포레이티드 퍼플루오르화 시스-알켄 제조방법
US8921631B2 (en) 2008-12-18 2014-12-30 Saudi Basic Industries Corporation Selective catalytic hydrogenation of alkynes to corresponding alkenes
US20110028770A1 (en) * 2009-08-03 2011-02-03 Honeywell International Inc. Hydrogenation catalyst
US20110054227A1 (en) * 2009-08-26 2011-03-03 Chevron Phillips Chemical Company Lp Process to Protect Hydrogenation and Isomerization Catalysts Using a Guard Bed
CN102188985B (zh) * 2010-03-16 2013-03-27 中国石油化工股份有限公司 一种碳四馏份选择加氢催化剂及其制备方法
US8648225B2 (en) 2010-04-12 2014-02-11 Chevron Phillips Chemical Company Lp Process for hydrogenating highly unsaturated hydrocarbons and catalyst therefor
CN102060647B (zh) * 2010-12-03 2013-04-24 中国石油天然气股份有限公司 一种碳二馏分选择加氢方法
CN102153436B (zh) * 2011-02-22 2013-10-16 中国石油天然气股份有限公司 碳二馏分的加氢方法
US8822370B2 (en) * 2011-05-16 2014-09-02 Uop Llc Substantially non-porous substrate supported noble metal-and lanthanide-containing catalysts
CN105732274B (zh) * 2014-12-12 2018-09-04 中国石油天然气股份有限公司 乙烯选择加氢精制方法
CN105732263B (zh) * 2014-12-12 2018-10-16 中国石油天然气股份有限公司 甲醇制烯烃装置中微量乙炔的选择加氢方法
CN105732281B (zh) * 2014-12-12 2018-09-04 中国石油天然气股份有限公司 碳二馏分前脱丙烷前加氢方法
US9758446B2 (en) 2015-11-16 2017-09-12 Chevron Phillips Chemical Company Lp Selective hydrogenation using a flow index
US10414989B2 (en) * 2016-04-15 2019-09-17 Baker Hughes, A Ge Company, Llc Chemical process for sulfur reduction of hydrocarbons
KR102156606B1 (ko) 2016-05-23 2020-09-18 페트로차이나 컴퍼니 리미티드 팔라듐계 담지 수소화 촉매, 그의 제조 방법 및 응용
US10245583B1 (en) * 2017-09-12 2019-04-02 Chevron Phillips Chemical Company, Lp Use of charge-containing molecules linked with covalent bonds to enhance acetylene hydrogenation catalysts
WO2019115450A1 (en) * 2017-12-11 2019-06-20 Total Research & Technology Feluy Purification of a gas stream for polyolefin synthesis
US20240034699A1 (en) 2022-07-28 2024-02-01 Chevron Phillips Chemical Company, Lp Flexible Benzene Production Via Selective-Higher-Olefin Oligomerization of Ethylene
CN117920282A (zh) * 2022-10-14 2024-04-26 中国石油化工股份有限公司 碱性中心在提高负载型钯催化剂的催化性能中的应用

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3325556A (en) * 1964-05-18 1967-06-13 Universal Oil Prod Co Selective hydrogenation of acetylene in a mixture of acetylene and other unsaturated hydrocarbons
US4009126A (en) * 1974-02-19 1977-02-22 Petro-Tex Chemical Corporation Catalyst for removing acetylenic impurities
US4658080A (en) * 1974-02-19 1987-04-14 Petro-Tex Chemical Corporation Acetylene removal process
US4644088A (en) * 1974-02-19 1987-02-17 Petro-Tex Chemical Corporation Acetylene removal process
FR2482953A1 (fr) * 1980-05-22 1981-11-27 Inst Francais Du Petrole Procede d'hydrogenation selective d'une di-olefine dans un melange d'hydrocarbures renfermant au moins 4 atomes de carbone et contenant une olefine -a
DE3170139D1 (en) * 1980-12-09 1985-05-30 Allied Corp Preparation of chlorotrifluoroethylene and trifluoroethylene
US4404124A (en) * 1981-05-06 1983-09-13 Phillips Petroleum Company Selective hydrogenation catalyst
FR2619391B1 (fr) * 1987-08-14 1990-01-12 Eurecat Europ Retrait Catalys Procede de reduction d'un catalyseur de raffinage avant sa mise en oeuvre
FR2619319B1 (fr) * 1987-08-14 1990-01-12 Inst Francais Du Petrole Catalyseur du type aluminosilicate renfermant au moins un metal noble et son utilisation en isomerisation d'une coupe c8 aromatique
US4906601A (en) * 1988-12-16 1990-03-06 Exxon Research And Engineering Company Small particle low fluoride content catalyst
US4923588A (en) * 1988-12-16 1990-05-08 Exxon Research And Engineering Company Wax isomerization using small particle low fluoride content catalysts
FR2642670B1 (fr) * 1989-02-07 1991-05-24 Eurecat Europ Retrait Catalys Procede de reduction d'un catalyseur de raffinage avant sa mise en oeuvr
US5488024A (en) * 1994-07-01 1996-01-30 Phillips Petroleum Company Selective acetylene hydrogenation
US5475173A (en) * 1994-07-19 1995-12-12 Phillips Petroleum Company Hydrogenation process and catalyst therefor
US5583274A (en) * 1995-01-20 1996-12-10 Phillips Petroleum Company Alkyne hydrogenation process

Also Published As

Publication number Publication date
DE69614748T2 (de) 2002-06-27
CA2168387A1 (en) 1996-10-20
AU5043696A (en) 1996-10-31
EP0738540B1 (en) 2001-08-29
MY115733A (en) 2003-08-30
KR100387206B1 (ko) 2003-09-02
JPH08290060A (ja) 1996-11-05
DE69614748D1 (de) 2001-10-04
CA2168387C (en) 1999-07-13
EP0738540A1 (en) 1996-10-23
AR001620A1 (es) 1997-11-26
US5587348A (en) 1996-12-24
SG46661A1 (en) 1998-02-20
US5698752A (en) 1997-12-16
AU679873B2 (en) 1997-07-10
KR960037111A (ko) 1996-11-19

Similar Documents

Publication Publication Date Title
ES2159658T3 (es) Procedimiento y catalizador de hidrogenacion de alquinos.
AR000764A1 (es) Proceso para la hidrogenacion selectiva de un alquino y composicion de catalizador para llevar a cabo dicho proceso.
BG103712A (en) Lipophilic inert gas-containing medicamentous preparation
GT199600026A (es) Isotiazolonas
ES2125366T3 (es) Dispositivo para el rebordeado por rodadura de cuerpos cilindricos.
PE20000033A1 (es) Articulo absorbente altamente eficaz para utilizarse con trusa menstrual
BR9713939A (pt) Processos de preparação de misturas de c5-mononitrortes c4 e de preparação de adiponitrila, misturas de c5-mononitrilas monoolefìnicas, e, corte c4 seletivamente hidrogenado
ES2192768T3 (es) Procedimiento de produccion de hidrocarburos halogenados.
FI951511A (fi) IL-10:n käyttö insuliinista riippuvan diabetes mellituksen ennaltaestoon tai hoitoon
MX174153B (es) Procedimiento para deshalogenacion electroquimica de contaminantes organicos
CO4230021A1 (es) Glicosidos esteroideos, procedimientos de uso de los mismos como agentes hipocolesterolemicos y agentes antiateroscle- roticos en mamiferos.
ES458559A1 (es) Procedimiento de preparacion de una nueva composicion cosme-tica para la piel.
ES2086146T3 (es) Producto solido, que contiene grupos de alquilos metalicos quimicamente enlazados, y su empleo.
DE59404735D1 (de) Vorrichtung zum spannen und abfedern des leitrades von kettenfahrzeugen
IT1260823B (it) Pattino con ruote in linea a monopiastra
ES2092187T3 (es) Procedimiento para la purificacion de indigo.
ES2174101T3 (es) Articulo absorbente con elemento absorbente estabilizante.
BR9915664A (pt) Estrutura de anel dessensibilizador
ES2130639T3 (es) Volantes amortiguadores especialmente para vehiculo automovil.
ES2090917T3 (es) Grapa de fijacion amovible y pivotante de maniobra manual, y dispositivo de conexion que lo incluye.
ES2188928T3 (es) Pastilla de liberador-rapido s1452.
ES2132754T3 (es) Preparacion de compuestos halogenados.
ES2163578T3 (es) Procedimiento para la alquilacion de imidas.
ITMI931292A0 (it) Procedimento per la preparazione di un catalizzatore metallico con supporto generato in situ per l'idrogenazione di composti organici e catalizzatore ottenuto mediante tale procedimento
ES1022662Y (es) Dispositivo para la utilizacion de bicicletas convencionales como bicicletas estaticas.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 738540

Country of ref document: ES