ES2123343T3 - Oxidos metalicos mixtos microporosos, amorfos, para catalisis selectiva para una forma. - Google Patents
Oxidos metalicos mixtos microporosos, amorfos, para catalisis selectiva para una forma.Info
- Publication number
- ES2123343T3 ES2123343T3 ES96904858T ES96904858T ES2123343T3 ES 2123343 T3 ES2123343 T3 ES 2123343T3 ES 96904858 T ES96904858 T ES 96904858T ES 96904858 T ES96904858 T ES 96904858T ES 2123343 T3 ES2123343 T3 ES 2123343T3
- Authority
- ES
- Spain
- Prior art keywords
- amorphous
- microporous
- metal oxides
- mixed metal
- shape
- 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
Links
- 229910003455 mixed metal oxide Inorganic materials 0.000 title abstract 3
- 238000006555 catalytic reaction Methods 0.000 title abstract 2
- 239000011521 glass Substances 0.000 abstract 3
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 238000004517 catalytic hydrocracking Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 239000002638 heterogeneous catalyst Substances 0.000 abstract 1
- 238000005984 hydrogenation reaction Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 150000002736 metal compounds Chemical class 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 238000006068 polycondensation reaction Methods 0.000 abstract 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
- C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
- C07D301/19—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with organic hydroperoxides
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- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
- B01J37/031—Precipitation
- B01J37/033—Using Hydrolysis
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- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
- B01J37/036—Precipitation; Co-precipitation to form a gel or a cogel
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/006—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels to produce glass through wet route
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
- C07C1/04—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen
- C07C1/0425—Catalysts; their physical properties
- C07C1/043—Catalysts; their physical properties characterised by the composition
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
- C07C1/04—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen
- C07C1/0425—Catalysts; their physical properties
- C07C1/043—Catalysts; their physical properties characterised by the composition
- C07C1/0435—Catalysts; their physical properties characterised by the composition containing a metal of group 8 or a compound thereof
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
- C07C1/04—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen
- C07C1/0425—Catalysts; their physical properties
- C07C1/043—Catalysts; their physical properties characterised by the composition
- C07C1/0435—Catalysts; their physical properties characterised by the composition containing a metal of group 8 or a compound thereof
- C07C1/044—Catalysts; their physical properties characterised by the composition containing a metal of group 8 or a compound thereof containing iron
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/05—Preparation of ethers by addition of compounds to unsaturated compounds
- C07C41/06—Preparation of ethers by addition of compounds to unsaturated compounds by addition of organic compounds only
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/04—Compounds containing oxirane rings containing only hydrogen and carbon atoms in addition to the ring oxygen atoms
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
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- C07C2521/10—Magnesium; Oxides or hydroxides thereof
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the alkali- or alkaline earth metals or beryllium
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
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- C07C2523/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the alkali- or alkaline earth metals or beryllium
- C07C2523/04—Alkali metals
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
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- C07C2523/06—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of zinc, cadmium or mercury
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/08—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of gallium, indium or thallium
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of rare earths
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- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/14—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of germanium, tin or lead
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- C07C2523/18—Arsenic, antimony or bismuth
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- C07C2523/20—Vanadium, niobium or tantalum
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- C07C2523/20—Vanadium, niobium or tantalum
- C07C2523/22—Vanadium
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- C07—ORGANIC CHEMISTRY
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- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
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- C07C2523/24—Chromium, molybdenum or tungsten
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
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- C07C2523/28—Molybdenum
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- C07C2523/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- C07C2523/24—Chromium, molybdenum or tungsten
- C07C2523/30—Tungsten
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- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- C07C2523/32—Manganese, technetium or rhenium
- C07C2523/34—Manganese
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- C07C2523/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- C07C2523/32—Manganese, technetium or rhenium
- C07C2523/36—Rhenium
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- C—CHEMISTRY; METALLURGY
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- C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
- C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
- C07C2523/42—Platinum
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- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
- C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
- C07C2523/44—Palladium
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
- C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
- C07C2523/46—Ruthenium, rhodium, osmium or iridium
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
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- C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
- C07C2523/48—Silver or gold
- C07C2523/50—Silver
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- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
- C07C2523/48—Silver or gold
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- C—CHEMISTRY; METALLURGY
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- C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
- C07C2523/72—Copper
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
- C07C2523/74—Iron group metals
- C07C2523/745—Iron
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- C07C2523/74—Iron group metals
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- C—CHEMISTRY; METALLURGY
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
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- C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
- C07C2523/74—Iron group metals
- C07C2523/755—Nickel
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Dispersion Chemistry (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
LA INVENCION SE OCUPA DE LA ACTIVIDAD Y SELECTIVIDAD CATALITICA DE VIDRIOS DE OXIDO DE METAL COMPUESTO, ASI COMO DE SU APLICACION COMO CATALIZADORES HETEROGENEOS Y DE SELECCION FORMAL. LOS OXIDOS DE METAL COMPUESTO AMORFOS Y MICROPOROSOS (VIDRIOS) PUEDEN FABRICARSE POR POLICONDENSACION DE COMPUESTOS METALICOS SOLUBLES. ESTOS NUEVOS MATERIALES CONTINUAN ESTABLES A TEMPERATURAS DE HASTA 800 (GRADOS) C. EN REACCIONES CATALITICAS HETEROGENEAS, ESTOS VIDRIOS AMORFOS MUESTRAN OXIDACIONES, HIDROGENACIONES, HIDROCRAQUEO Y CATALISIS DE CONDENSACION SELECTIVAS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19506843A DE19506843A1 (de) | 1995-02-28 | 1995-02-28 | Mikroporöse amorphe Mischmetalloxide für formselektive Katalyse |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2123343T3 true ES2123343T3 (es) | 1999-01-01 |
Family
ID=7755176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES96904858T Expired - Lifetime ES2123343T3 (es) | 1995-02-28 | 1996-02-24 | Oxidos metalicos mixtos microporosos, amorfos, para catalisis selectiva para una forma. |
Country Status (10)
Country | Link |
---|---|
US (2) | US6319876B1 (es) |
EP (1) | EP0812305B1 (es) |
JP (1) | JPH11500995A (es) |
AT (1) | ATE170504T1 (es) |
AU (1) | AU4880296A (es) |
CA (1) | CA2213736A1 (es) |
DE (2) | DE19506843A1 (es) |
DK (1) | DK0812305T3 (es) |
ES (1) | ES2123343T3 (es) |
WO (1) | WO1996026907A1 (es) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19735771C1 (de) * | 1997-08-18 | 1999-04-29 | Bayer Ag | Verfahren zur Herstellung von Diarylcarbonaten |
DE19741498B4 (de) | 1997-09-20 | 2008-07-03 | Evonik Degussa Gmbh | Herstellung eines Keramik-Edelstahlgewebe-Verbundes |
DE19743165A1 (de) * | 1997-09-30 | 1999-04-01 | Studiengesellschaft Kohle Mbh | Selektive Alkylierung von Aromaten mit oberflächenmodifizierten mikroporösen Mischoxiden |
NO306541B1 (no) * | 1998-03-13 | 1999-11-22 | Norsk Hydro As | Katalysator |
EP0953558B1 (de) * | 1998-04-30 | 2001-11-21 | CREAVIS Gesellschaft für Technologie und Innovation mbH | Verfahren zur Herstellung von Hydroxylgruppen enthaltenden aromatischen Verbindungen |
DE19853491A1 (de) * | 1998-11-19 | 2000-05-25 | Bayer Ag | Verfahren zur Hydroxylierung von Benzol mit Wasserstoffperoxid |
DE19954827A1 (de) * | 1999-11-13 | 2001-06-07 | Alfred Heidekum | Mikrowellensensitive mikrokomposite Materialien |
DE10013934A1 (de) * | 2000-03-21 | 2001-09-27 | Studiengesellschaft Kohle Mbh | Poröse dotierte Titanoxide als selektive Oxiations- und Dehydrierkatalysatoren |
ATE341396T1 (de) † | 2000-07-24 | 2006-10-15 | Sasol Tech Pty Ltd | Verfahren zur herstellung von kohlenwasserstoffen aus einem synthesegas |
IT1319198B1 (it) * | 2000-10-11 | 2003-09-26 | Sued Chemie Mt Srl | Catalizzatori per ossidazione. |
DE10132442A1 (de) * | 2001-07-04 | 2003-01-23 | Studiengesellschaft Kohle Mbh | Katalysatoren auf Ceroxid-Basis und deren Verwendung zur katalytischen Verbrennung |
CN1299374C (zh) * | 2001-09-10 | 2007-02-07 | 旭化成株式会社 | 用于燃料电池的电极催化剂层 |
AUPR806201A0 (en) * | 2001-10-03 | 2001-10-25 | Commonwealth Scientific And Industrial Research Organisation | Catalytic systems and process for the treatment of industrialprocess and waste streams |
US6914033B2 (en) * | 2002-08-13 | 2005-07-05 | Conocophillips Company | Desulfurization and novel compositions for same |
DE112005001207T5 (de) * | 2004-05-27 | 2007-04-19 | E.I. Du Pont De Nemours And Company, Wilmington | Verbundwerkstoffe auf Sol-Gel-Basis, umfassend Oxid- oder Oxyhydroxidmatrices mit Edelmetall-Bestandteilen und Kohlenstoff für Brennstoffzellkatalysatoren |
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-
1995
- 1995-02-28 DE DE19506843A patent/DE19506843A1/de not_active Withdrawn
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1996
- 1996-02-24 US US08/913,516 patent/US6319876B1/en not_active Expired - Fee Related
- 1996-02-24 AU AU48802/96A patent/AU4880296A/en not_active Abandoned
- 1996-02-24 EP EP96904858A patent/EP0812305B1/de not_active Expired - Lifetime
- 1996-02-24 DE DE59600515T patent/DE59600515D1/de not_active Expired - Fee Related
- 1996-02-24 WO PCT/EP1996/000766 patent/WO1996026907A1/de active IP Right Grant
- 1996-02-24 JP JP8526002A patent/JPH11500995A/ja not_active Withdrawn
- 1996-02-24 CA CA002213736A patent/CA2213736A1/en not_active Abandoned
- 1996-02-24 ES ES96904858T patent/ES2123343T3/es not_active Expired - Lifetime
- 1996-02-24 AT AT96904858T patent/ATE170504T1/de not_active IP Right Cessation
- 1996-02-24 DK DK96904858T patent/DK0812305T3/da active
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2000
- 2000-06-15 US US09/594,404 patent/US6297180B1/en not_active Expired - Fee Related
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EP0812305B1 (de) | 1998-09-02 |
CA2213736A1 (en) | 1996-09-06 |
JPH11500995A (ja) | 1999-01-26 |
EP0812305A1 (de) | 1997-12-17 |
AU4880296A (en) | 1996-09-18 |
DE59600515D1 (de) | 1998-10-08 |
ATE170504T1 (de) | 1998-09-15 |
US6297180B1 (en) | 2001-10-02 |
DK0812305T3 (da) | 1999-06-07 |
WO1996026907A1 (de) | 1996-09-06 |
DE19506843A1 (de) | 1996-08-29 |
US6319876B1 (en) | 2001-11-20 |
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