ES2085975T3 - Composicion a base de alumina dopada por tierras raras y/o elementos alcalino-terreos, y procedimiento de fabricacion. - Google Patents
Composicion a base de alumina dopada por tierras raras y/o elementos alcalino-terreos, y procedimiento de fabricacion.Info
- Publication number
- ES2085975T3 ES2085975T3 ES91401427T ES91401427T ES2085975T3 ES 2085975 T3 ES2085975 T3 ES 2085975T3 ES 91401427 T ES91401427 T ES 91401427T ES 91401427 T ES91401427 T ES 91401427T ES 2085975 T3 ES2085975 T3 ES 2085975T3
- Authority
- ES
- Spain
- Prior art keywords
- land
- alumina
- alkaline
- based composition
- pores
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the alkali- or alkaline earth metals or beryllium
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/42—Platinum
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/613—10-100 m2/g
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/63—Pore volume
- B01J35/638—Pore volume more than 1.0 ml/g
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/647—2-50 nm
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/651—50-500 nm
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Catalysts (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
LA PRESENTE INVENCION SE REFIERE A UNA COMPOSICION A BASE DE ALUMINA PARA CATALIZADOR Y A UN PROCESO DE FABRICACION. LA COMPOSICION A BASE DE ALUMINA DE LA INVENCION COMPRENDE AL MENOS UN SEGUNDO ELEMENTO ELEGIDO EN EL GRUPO QUE COMPRENDE LAS TIERRAS RARAS, LOS ALCALINO-TERROSOS Y SE CARACTERIZA EN QUE LA CONCENTRACION PONDERAL DEL SEGUNDO ELEMENTO EN LA COMPOSICION ESTA COMPRENDIDA ENTRE 10% Y 50% Y EN QUE PRESENTA UN VOLUMEN POROSO QUE CORRESPONDE A POROS DE DIAMETRO INFERIOR A 100 NM DE LOS QUE AL MENOS 80% CORRESPONDE A POROS QUE TIENEN UN DIAMETRO COMPRENDIDO ENTRE 10 NM Y 100 NM, TRAS UN TRATAMIENTO TERMICO A UNA TEMPERATURA DE 350 C, Y TRAS UN TRATAMIENTO TERMICO DE CUATRO HORAS A 1200 C, UN VOLUMEN POROSO PARA LOS POROS DE DIAMETRO INFERIOR A 100 NM COMPRENDIDO ENTRE 0,6 CM ELEVADO 3/G Y 1,5 CM ELEVADO 3/G DEL QUE AL MENOS 90% CORRESPONDE A LOS POROS DE DIAMETRO COMPRENDIDO ENTRE 20 NM Y 100 NM.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9007322A FR2663245B1 (fr) | 1990-06-13 | 1990-06-13 | Composition a base d'alumine pour catalyseur et procede de fabrication. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2085975T3 true ES2085975T3 (es) | 1996-06-16 |
Family
ID=9397537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES91401427T Expired - Lifetime ES2085975T3 (es) | 1990-06-13 | 1991-05-31 | Composicion a base de alumina dopada por tierras raras y/o elementos alcalino-terreos, y procedimiento de fabricacion. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5397758A (es) |
| EP (1) | EP0461949B1 (es) |
| JP (1) | JPH0813685B2 (es) |
| KR (1) | KR0180919B1 (es) |
| AT (1) | ATE136813T1 (es) |
| CA (1) | CA2044457C (es) |
| DE (1) | DE69118754T2 (es) |
| ES (1) | ES2085975T3 (es) |
| FI (1) | FI912820L (es) |
| FR (1) | FR2663245B1 (es) |
| IE (1) | IE912001A1 (es) |
| PT (1) | PT97923A (es) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5389589A (en) * | 1992-12-22 | 1995-02-14 | Allied-Signal Inc. | Barium-containing alumina |
| EP0604987B1 (en) * | 1992-12-28 | 2002-06-19 | National Institute of Advanced Industrial Science and Technology | Removal of nitrogen oxide from exhaust gas |
| JP3303486B2 (ja) * | 1993-12-17 | 2002-07-22 | トヨタ自動車株式会社 | 排ガス浄化用触媒の製造方法 |
| US5752995A (en) * | 1994-06-30 | 1998-05-19 | Kang; Chia-Chen Chu | Catalyst and process for the production of hydrogen and/or methane |
| US5789339A (en) * | 1995-06-07 | 1998-08-04 | W. R. Grace & Co.-Conn. | Catalyst for oxidizing oxygen-containing organic compounds in waste gas |
| FR2747053B1 (fr) * | 1996-04-03 | 1998-10-02 | Rhone Poulenc Chimie | Utilisation pour l'oxydation directe des composes soufres en soufre et/ou sulfates a basse temperature d'un catalyseur a base de cuivre |
| DE19714732A1 (de) * | 1997-04-09 | 1998-10-15 | Degussa | Verfahren zum Abscheiden von katalytisch aktiven Komponenten auf hochoberflächigen Trägermaterialien |
| JP3980169B2 (ja) * | 1997-05-02 | 2007-09-26 | イルフォード イメージング スウィツアランド ゲーエムベーハー | インクジェット印刷用記録シート |
| DE19836821A1 (de) * | 1998-08-14 | 2000-02-24 | Rwe Dea Ag | Böhmitische Tonerden und aus diesen erhältliche phasenreine, hochtemperaturstabile und hochporöse Aluminiumoxide |
| EP1020223A3 (en) | 1999-01-12 | 2001-09-12 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Porous material and production process thereof, catalyst comprising the porous material and process for purifying exhaust gas |
| CN1207208C (zh) † | 1999-08-11 | 2005-06-22 | 阿克佐诺贝尔公司 | 由廉价前体制备准晶体勃姆石的方法 |
| EP1204596B1 (en) * | 1999-08-11 | 2004-10-27 | Akzo Nobel N.V. | Quasi-crystalline boehmites containing additives |
| US6528029B1 (en) | 1999-10-13 | 2003-03-04 | Engelhard Corporation | Catalyst compositions employing sol gel particles and methods of using the same |
| US6933417B1 (en) | 1999-11-22 | 2005-08-23 | Dow Global Technologies Inc. | Process for vinyl chloride manufacture from ethane and ethylene with partial CHl recovery from reactor effluent |
| US6797845B1 (en) | 1999-11-22 | 2004-09-28 | Dow Global Technologies Inc. | Process for vinyl chloride manufacture from ethane and ethylene with immediate HCl recovery from reactor effluent |
| US6680415B1 (en) * | 1999-11-22 | 2004-01-20 | Dow Global Technologies Inc. | Oxyhalogenation process using catalyst having porous rare earth halide support |
| US6909024B1 (en) | 1999-11-22 | 2005-06-21 | The Dow Chemical Company | Process for the conversion of ethylene to vinyl chloride and novel catalyst compositions useful for such process |
| JP4006976B2 (ja) * | 2000-11-15 | 2007-11-14 | 株式会社豊田中央研究所 | 複合酸化物粉末とその製造方法及び触媒 |
| CA2448500C (en) * | 2001-05-23 | 2009-11-17 | Dow Global Technologies Inc. | Oxidative halogenation and optional dehydrogenation of c3+ hydrocarbons |
| RU2205069C1 (ru) * | 2002-01-11 | 2003-05-27 | Открытое акционерное общество "Катализатор" | Способ получения катализатора для окисления сернистых соединений в отходящих газах |
| US20040152929A1 (en) * | 2002-05-08 | 2004-08-05 | Clarke William D | Process for vinyl chloride manufacture from ethane and ethylene with air feed and alternative hcl processing methods |
| GB0428557D0 (en) * | 2004-12-30 | 2005-02-09 | Magnesium Elektron Ltd | Thermally stable doped and undoped porous aluminium oxides and nanocomposite CeO -ZrO and A1 O containing mixed oxides |
| DE102005023048B4 (de) * | 2005-05-13 | 2011-06-22 | Forschungszentrum Jülich GmbH, 52428 | Verfahren zur Herstellung eines Kathoden-Elektrolyt-Verbundes und eine Hochtemperatur-Brennstoffzelle |
| FR2901155B1 (fr) * | 2006-05-16 | 2008-10-10 | Rhodia Recherches & Tech | Compositions utilisees notamment pour le piegeage d'oxydes d'azote (nox) |
| ITPD20060465A1 (it) * | 2006-12-22 | 2008-06-23 | Univ Degli Studi Trieste | Materiali aerogel a base di ossidi metallici e compositi degli stessi |
| CN101827651B (zh) * | 2007-08-29 | 2015-06-10 | 太平洋工业发展公司 | 稀土氧化铝颗粒生产方法和应用 |
| CN102906013B (zh) | 2010-03-22 | 2016-05-25 | 布莱阿姆青年大学 | 制备孔结构受控的高多孔性稳定金属氧化物的方法 |
| JP5789800B2 (ja) * | 2011-03-31 | 2015-10-07 | 河合石灰工業株式会社 | ベーマイト複合粒子及びその製造方法 |
| US9114378B2 (en) | 2012-03-26 | 2015-08-25 | Brigham Young University | Iron and cobalt based fischer-tropsch pre-catalysts and catalysts |
| US9079164B2 (en) | 2012-03-26 | 2015-07-14 | Brigham Young University | Single reaction synthesis of texturized catalysts |
| US9289750B2 (en) | 2013-03-09 | 2016-03-22 | Brigham Young University | Method of making highly porous, stable aluminum oxides doped with silicon |
| CN106029223B (zh) * | 2014-02-18 | 2018-10-09 | 日产自动车株式会社 | 废气净化催化剂及其制造方法 |
| JP6594328B2 (ja) * | 2014-10-02 | 2019-10-23 | 株式会社キャタラー | 排ガス浄化用触媒 |
| EP3842143B1 (en) * | 2018-08-22 | 2022-06-01 | Mitsui Mining & Smelting Co., Ltd. | Porous structure for exhaust gas purification catalyst, exhaust gas purification catalyst using porous structure, and exhaust gas purification method |
| WO2021191866A1 (en) * | 2020-03-26 | 2021-09-30 | King Abdullah University Of Science And Technology | Catalysts for selective oxidation of methanol to dimethoxymethane and related methods |
| PL4347116T3 (pl) * | 2021-05-28 | 2025-07-28 | Rhodia Operations | Kompozycja tlenku glinu i tlenku ceru o określonym profilu porowatości |
| JP2024529561A (ja) * | 2021-07-30 | 2024-08-06 | ローディア オペレーションズ | 酸化アルミニウム及び酸化セリウムの組成物 |
| CN119680535B (zh) * | 2023-09-22 | 2025-10-14 | 中国石油化工股份有限公司 | 一种碳三液相选择加氢催化剂及其制备方法和应用 |
| CN119500096B (zh) * | 2024-10-11 | 2025-09-30 | 中南大学 | 铈改性介孔铝及其制备方法和应用 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2432286A (en) * | 1944-07-19 | 1947-12-09 | California Research Corp | Preparation of a coprecipitated alumina-molybdena catalyst |
| FR1326386A (fr) * | 1962-01-30 | 1963-05-10 | Pechiney Saint Gobain | Nouveaux produits poreux à base d'alumine |
| US4061594A (en) * | 1974-01-10 | 1977-12-06 | Rhone-Poulenc Industries | Alumina-based bodies obtained by agglomeration which are resistant to elevated temperatures |
| US4181532A (en) * | 1975-10-22 | 1980-01-01 | United Kingdom Atomic Energy Authority | Production of colloidal dispersions |
| US4476245A (en) * | 1982-11-29 | 1984-10-09 | Atlantic Richfield Company | Preparative process for alkaline earth metal, aluminum-containing spinels |
| US4548709A (en) * | 1983-04-29 | 1985-10-22 | Mobil Oil Corporation | Hydrotreating petroleum heavy ends in aromatic solvents with dual pore size distribution alumina catalyst |
| JPS6138626A (ja) * | 1984-07-30 | 1986-02-24 | Hitachi Ltd | 触媒用担体 |
| CA1247074A (en) * | 1985-01-31 | 1988-12-20 | Chung-Zong Wan | Three-way catalysts of improved efficiency |
| JPS61245844A (ja) * | 1985-04-25 | 1986-11-01 | Babcock Hitachi Kk | 燃焼用触媒担体およびその製法 |
| JPS62180751A (ja) * | 1986-02-03 | 1987-08-08 | Toyota Central Res & Dev Lab Inc | 耐熱性アルミナ担体 |
| JPS6330365A (ja) * | 1986-07-23 | 1988-02-09 | 新日本製鐵株式会社 | Plzt透光性セラミツクスの製造法 |
| US4771029A (en) * | 1987-05-18 | 1988-09-13 | W. R. Grace & Co.-Conn | Monolith washcoat having optimum pore structure and optimum method of designing the washcoat |
| GB8722008D0 (en) * | 1987-09-18 | 1987-10-28 | British Petroleum Co Plc | Catalysts |
| US4868150A (en) * | 1987-12-22 | 1989-09-19 | Rhone-Poulenc Inc. | Catalyst support material containing lanthanides |
| FR2628655B1 (fr) * | 1988-03-16 | 1990-07-20 | Pro Catalyse | Support de catalyseur et catalyseur pour le traitement des gaz d'echappement des moteurs a combustion interne et procede de fabrication de ceux-ci |
| FR2634398B1 (fr) * | 1988-06-29 | 1990-09-07 | Elf Aquitaine | Procede de preparation d'un catalyseur apte a promouvoir la conversion oxydante du methane en hydrocarbures superieurs |
-
1990
- 1990-06-13 FR FR9007322A patent/FR2663245B1/fr not_active Expired - Lifetime
-
1991
- 1991-05-31 DE DE69118754T patent/DE69118754T2/de not_active Expired - Fee Related
- 1991-05-31 ES ES91401427T patent/ES2085975T3/es not_active Expired - Lifetime
- 1991-05-31 AT AT91401427T patent/ATE136813T1/de not_active IP Right Cessation
- 1991-05-31 EP EP91401427A patent/EP0461949B1/fr not_active Expired - Lifetime
- 1991-06-11 JP JP3165150A patent/JPH0813685B2/ja not_active Expired - Fee Related
- 1991-06-11 PT PT97923A patent/PT97923A/pt not_active Application Discontinuation
- 1991-06-12 CA CA002044457A patent/CA2044457C/fr not_active Expired - Fee Related
- 1991-06-12 FI FI912820A patent/FI912820L/fi not_active Application Discontinuation
- 1991-06-12 IE IE200191A patent/IE912001A1/en unknown
- 1991-06-13 KR KR1019910009749A patent/KR0180919B1/ko not_active Expired - Fee Related
-
1992
- 1992-06-30 US US07/913,767 patent/US5397758A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| IE912001A1 (en) | 1991-12-18 |
| FI912820A0 (fi) | 1991-06-12 |
| US5397758A (en) | 1995-03-14 |
| CA2044457A1 (fr) | 1991-12-14 |
| FI912820A7 (fi) | 1991-12-14 |
| DE69118754D1 (de) | 1996-05-23 |
| DE69118754T2 (de) | 1996-11-28 |
| KR0180919B1 (ko) | 1999-03-20 |
| FR2663245A1 (fr) | 1991-12-20 |
| FR2663245B1 (fr) | 1992-09-18 |
| FI912820L (fi) | 1991-12-14 |
| JPH04228422A (ja) | 1992-08-18 |
| KR920000373A (ko) | 1992-01-29 |
| EP0461949B1 (fr) | 1996-04-17 |
| PT97923A (pt) | 1992-03-31 |
| JPH0813685B2 (ja) | 1996-02-14 |
| CA2044457C (fr) | 1997-02-25 |
| EP0461949A1 (fr) | 1991-12-18 |
| ATE136813T1 (de) | 1996-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2085975T3 (es) | Composicion a base de alumina dopada por tierras raras y/o elementos alcalino-terreos, y procedimiento de fabricacion. | |
| TR200103487T2 (tr) | Isı ile genişletilebilir mikrokapsüller içeren aktif terkip. | |
| ES2196097T3 (es) | Elementos embolicos y dispositivo de colocacion. | |
| CY1119504T1 (el) | Μεθοδος ξηρανσης | |
| KR880001243A (ko) | 흡연물품용 기질재료의 개량방법 및 이 방법으로 제조된 제품 | |
| PE20000784A1 (es) | Panal que incluye un agente modificador de heces | |
| ES2045569T3 (es) | Procedimiento y dispositivo para la elaboracion de un sistema estratificado semiconductor. | |
| MX166815B (es) | Metodo para cristalizar una zeolita sobre la superficie de un substrato de ceramica monolitico | |
| ES8703876A1 (es) | Un procedimiento para la preparacion de derivados de purina. | |
| ES2037747T3 (es) | Composiciones de zrtio4-al2tio5-zro2 de baja expansion termica. | |
| ES8403024A1 (es) | Un procedimiento para la fabricacion de un preparado farmaceutico para uso externo, a base de un compuesto no esteroi- dico. | |
| ES2032340T3 (es) | Cuerpos prensados a base de un oxido mixto de dioxido de silicio y oxido de aluminio preparado por via pirogena, procedimiento para su preparacion y empleo. | |
| AR014493A1 (es) | Parche apto para liberar la piel de las impurezas que presenta, el cual comprende, sobre un soporte, una matriz polimerica que contiene por lo menos un principi activo, siendo adhesiva la superficie del parche destinada a estar en contacto con la piel. | |
| ES2108138T3 (es) | Matriz termocoloide controlada por la forma sol a base de gelatina para formas perorales de liberacion retardada. | |
| MX165808B (es) | Procedimiento para la purificacion de glicolida | |
| ES2070100T3 (es) | Material de registro termosensible utilizando derivados de acido ftalico. | |
| MX168928B (es) | Procedimiento para congelar tejido organico | |
| AR036389A1 (es) | Polimeros y empleo de los mismos | |
| ATE430571T1 (de) | Wässrige pharmazeutische formulierungen von wasserlöslichen prodrugs von propofol- verbindungen | |
| PA8618401A1 (es) | Prevencion y tratamiento de enfermedades cardiacas hipertensivas mediante el uso de los estrogenos selectivos 8beta-vinil-estra-1,3,5(10)-trien-3,17beta-diol y 17beta-fluor-9alfa-vinil-estra-1.3,5(10)-trien-3,16alfa-diol | |
| BR9902640A (pt) | Processo para a fabricação de camadas ceramicas, limitadoras de difusão, assim como o emprego destas camadas | |
| PE20020136A1 (es) | Metodo para fabricar un elemento refrigerante y un elemento refrigerante hecho mediante dicho metodo | |
| AR016473A1 (es) | Preparado efervescente y procedimiento para su preparacion | |
| ES2040686T1 (es) | Metodo para la preparacion de un adsorbente de metal y metodo de adsorcion y separacion de metales utilizando el mismo. | |
| ES2115699T3 (es) | Metodo de registro reversible. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
Ref document number: 461949 Country of ref document: ES |