BR9900580A - Composição e processo para preparação de um material inorgânico poroso. - Google Patents

Composição e processo para preparação de um material inorgânico poroso.

Info

Publication number
BR9900580A
BR9900580A BR9900580-8A BR9900580A BR9900580A BR 9900580 A BR9900580 A BR 9900580A BR 9900580 A BR9900580 A BR 9900580A BR 9900580 A BR9900580 A BR 9900580A
Authority
BR
Brazil
Prior art keywords
composition
porous inorganic
inorganic material
preparing
preparation
Prior art date
Application number
BR9900580-8A
Other languages
English (en)
Inventor
Juan Lujano
Jose Carrazza
Norma Valencia De Zapata
Original Assignee
Intevep Sa
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 Intevep Sa filed Critical Intevep Sa
Publication of BR9900580A publication Critical patent/BR9900580A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B37/00—Compounds having molecular sieve properties but not having base-exchange properties
    • C01B37/02—Crystalline silica-polymorphs, e.g. silicalites dealuminated aluminosilicate zeolites
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
    • B01J20/3204—Inorganic carriers, supports or substrates
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3234—Inorganic material layers
    • B01J20/3236—Inorganic material layers containing metal, other than zeolites, e.g. oxides, hydroxides, sulphides or salts
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/03—Catalysts comprising molecular sieves not having base-exchange properties
    • B01J29/0308—Mesoporous materials not having base exchange properties, e.g. Si-MCM-41
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/03—Catalysts comprising molecular sieves not having base-exchange properties
    • B01J29/0308—Mesoporous materials not having base exchange properties, e.g. Si-MCM-41
    • B01J29/0316—Mesoporous materials not having base exchange properties, e.g. Si-MCM-41 containing iron group metals, noble metals or copper
    • B01J29/0325—Noble metals
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/041—Mesoporous materials having base exchange properties, e.g. Si/Al-MCM-41
    • 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
    • B01J35/64—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
    • B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
    • 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
    • B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
    • B01J2235/05—Nuclear magnetic resonance [NMR]
    • 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
    • B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
    • B01J2235/10—Infrared [IR]
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/03—Catalysts comprising molecular sieves not having base-exchange properties
    • B01J29/0308—Mesoporous materials not having base exchange properties, e.g. Si-MCM-41
    • B01J29/0316—Mesoporous materials not having base exchange properties, e.g. Si-MCM-41 containing iron group metals, noble metals or copper
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/03—Catalysts comprising molecular sieves not having base-exchange properties
    • B01J29/0308—Mesoporous materials not having base exchange properties, e.g. Si-MCM-41
    • B01J29/0341—Mesoporous materials not having base exchange properties, e.g. Si-MCM-41 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • 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
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Materials Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Catalysts (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

"COMPOSIçãO E PROCESSO PARA PREPARAçãO DE UM MATERIAL INORGâNICO POROSO". Uma composição de material é proporcionada incluindo um material inorgânico poroso possuindo porções de parede definido canais mesoporo-dimensionados possuindo um diâmetro médio entre cerca de 1,5 nm e cerca de 10 nm e uma distribuição de diâmetro estreita menor do que ou igual a cerca de 3 nm, possuindo o material um volume vazio dos canais mesoporo-dimensionados de pelo menos cerca de 0,1 cm³/g e uma área superficial de pelo menos cerca de 500m³/g e possuindo um número de grupos hidroxila de pelo menos cerca de 1,5 mmoles de grupos hidroxila por grama de material, e exibindo estabilidade térmica e hidrotérmica em temperaturas de até cerca de 500°C. Materiais catalíticos incorporando alumínio e outros metais ativos, bem como um processo para a preparação da composição, também são descritos.
BR9900580-8A 1998-02-17 1999-02-17 Composição e processo para preparação de um material inorgânico poroso. BR9900580A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/024,069 US6106802A (en) 1997-01-31 1998-02-17 Stable synthetic material and method for preparing same

Publications (1)

Publication Number Publication Date
BR9900580A true BR9900580A (pt) 2000-01-04

Family

ID=21818707

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9900580-8A BR9900580A (pt) 1998-02-17 1999-02-17 Composição e processo para preparação de um material inorgânico poroso.

Country Status (6)

Country Link
US (3) US6106802A (pt)
EP (1) EP0935996B1 (pt)
JP (1) JP3306387B2 (pt)
BR (1) BR9900580A (pt)
DE (1) DE69907530T2 (pt)
ZA (1) ZA991258B (pt)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6106802A (en) * 1997-01-31 2000-08-22 Intevep, S.A. Stable synthetic material and method for preparing same
US6383366B1 (en) * 1998-02-13 2002-05-07 Exxon Research And Engineering Company Wax hydroisomerization process
DE19841142A1 (de) * 1998-09-09 2000-03-23 Degussa Kieselsäuren und Metallsilikate mit regelmäßiger Mesoporenstruktur
RU2160156C1 (ru) * 1999-12-28 2000-12-10 Закрытое акционерное общество "Катализаторная компания" Высококремнеземистый носитель, катализатор для гетерогенных реакций и способ его получения
US6607705B2 (en) * 2000-04-13 2003-08-19 Board Of Trustees Of Michigan State University Process for the preparation of molecular sieve silicas
US6585952B1 (en) * 2000-05-25 2003-07-01 Board Of Trustees Operating Michigan State University Ultrastable hexagonal, cubic and wormhole aluminosilicate mesostructures
JP4889865B2 (ja) * 2001-01-31 2012-03-07 住友化学株式会社 チタン含有珪素酸化物触媒の製造方法
US7052665B2 (en) 2001-11-01 2006-05-30 Silicycle Inc. Method of preparing highly ordered mesoporous molecular sieves
DE10163697A1 (de) * 2001-12-21 2003-07-03 Studiengesellschaft Kohle Mbh Reversible Speicherung von Wasserstoff mit Hilfe von dotierten Alkalimetallaluminiumhydriden
EP1332795A1 (en) * 2002-02-01 2003-08-06 Centre National De La Recherche Scientifique (Cnrs) New porous silicate materials and their uses as catalytic systems for diesel improvement
US6872680B2 (en) * 2002-03-20 2005-03-29 Exxonmobil Chemical Patents Inc. Molecular sieve catalyst composition, its making and use in conversion processes
US20040005352A1 (en) * 2002-04-16 2004-01-08 Lopez Gabriel P. Biologically functionalized porous microspheres
EP1410844A1 (en) * 2002-10-15 2004-04-21 Centre National De La Recherche Scientifique (Cnrs) Silicon-based porous catalytic system for oligomerising light olefins
US7589041B2 (en) * 2004-04-23 2009-09-15 Massachusetts Institute Of Technology Mesostructured zeolitic materials, and methods of making and using the same
JP4749093B2 (ja) * 2005-09-06 2011-08-17 旭化成株式会社 ＮＯｘ浄化用触媒の担体
FR2909012B1 (fr) * 2006-11-23 2009-05-08 Inst Francais Du Petrole Catalyseur a base d'un materiau a porosite hierarchisee comprenant du silicium et procede d'hydrocraquage/ hydroconversion et d'hydrotraitement de charges hydrocarbonees.
ES2319007B1 (es) * 2006-12-07 2010-02-16 Rive Technology, Inc. Metodos para fabricar materiales zeoliticos mesoestructurados.
JP2010536572A (ja) * 2007-08-30 2010-12-02 ソルヴェイ（ソシエテ アノニム） 触媒担体およびその調製方法
US8206498B2 (en) * 2007-10-25 2012-06-26 Rive Technology, Inc. Methods of recovery of pore-forming agents for mesostructured materials
FR2931706B1 (fr) * 2008-05-28 2010-12-24 Inst Francais Du Petrole Catalyseur a base d'un materiau cristallise comprenant du silicium a porosite hierarchisee et organisee et procede ameliore de traitement de charges hydrocarbonees
CN102333728A (zh) 2009-01-19 2012-01-25 里福技术股份有限公司 在低Si/Al沸石中引入介孔
US8524625B2 (en) * 2009-01-19 2013-09-03 Rive Technology, Inc. Compositions and methods for improving the hydrothermal stability of mesostructured zeolites by rare earth ion exchange
US8685875B2 (en) * 2009-10-20 2014-04-01 Rive Technology, Inc. Methods for enhancing the mesoporosity of zeolite-containing materials
US20110171121A1 (en) * 2010-01-08 2011-07-14 Rive Technology, Inc. Compositions and methods for making stabilized mesoporous materials
KR101305182B1 (ko) * 2010-11-30 2013-09-12 현대자동차주식회사 귀금속을 활용한 고성능 촉매
EP2694438A4 (en) 2011-04-08 2014-11-05 Rive Technology Inc MESOPOROUS ZEOLITE WITH MODIFIED FRAME
US9376324B2 (en) 2012-01-13 2016-06-28 Rive Technology, Inc. Introduction of mesoporosity into zeolite materials with sequential acid, surfactant, and base treatment
EP2802534A4 (en) 2012-01-13 2015-11-18 Rive Technology Inc INTRODUCTION OF MESOPOROSITY IN POOR SILICA ZEOLITES
US8765660B1 (en) 2013-03-08 2014-07-01 Rive Technology, Inc. Separation of surfactants from polar solids
US9662640B2 (en) 2013-12-27 2017-05-30 Rive Technology, Inc. Introducing mesoporosity into zeolite materials with a modified acid pre-treatment step
US10227539B2 (en) 2014-06-09 2019-03-12 Exxonmobil Research And Engineering Company Noble metal hydrogenation catalysts and aromatic saturation methods
CN107001056B (zh) 2014-12-11 2019-04-02 瑞弗科技有限公司 以减少的处理制备介孔沸石
US10626019B2 (en) 2014-12-30 2020-04-21 W. R. Grace & Co.-Conn. Methods for preparing zeolites with surfactant-templated mesoporosity and tunable aluminum content
JP2017072571A (ja) * 2015-10-10 2017-04-13 株式会社マキノ 分析対象液中の特定物質の分析方法及びその分析システム
CA3029555C (en) * 2016-06-30 2023-12-12 Exxonmobil Research And Engineering Company Noble metal hydrogenation catalysts and aromatic saturation methods
WO2019054399A1 (ja) * 2017-09-14 2019-03-21 住友化学株式会社 メソ多孔質調湿材、メソ多孔質調湿材の製造方法、及び調湿装置
WO2025249509A1 (ja) * 2024-05-29 2025-12-04 三菱ケミカル株式会社 白金族元素担持シリカ

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6021802A (ja) * 1983-07-15 1985-02-04 Daido Sanso Kk 均一な細孔を有する金属酸化物、その製造方法およびその金属酸化物からなる触媒用担体
US5156829A (en) * 1990-01-25 1992-10-20 Mobil Oil Corporation Method for stabilizing synthetic mesoporous crystalline material
US5238676A (en) * 1990-01-25 1993-08-24 Mobil Oil Corporation Method for modifying synthetic mesoporous crystalline materials
US5260501A (en) * 1991-06-21 1993-11-09 Mobil Oil Corporation Catalytic oligomerization process using modified mesoporous crystalline material
US5143879A (en) * 1991-07-18 1992-09-01 Mobil Oil Corporation Method to recover organic templates from freshly synthesized molecular sieves
AU657571B2 (en) * 1991-07-24 1995-03-16 Mobil Oil Corporation Production of hydrocracked lubricants
DE4407326A1 (de) * 1994-03-04 1995-09-21 Basf Ag Mesoporöse Molekularsiebe
CN1147800A (zh) * 1994-05-10 1997-04-16 国际壳牌研究有限公司 制备大孔分子筛的方法
US5712402A (en) * 1994-08-22 1998-01-27 Board Of Trustees Operating Michigan State University Catalytic applications of mesoporous metallosilicate molecular sieves and methods for their preparation
US5538710A (en) * 1994-12-14 1996-07-23 Energy Mines And Resources-Canada Synthesis of mesoporous catalytic materials
JP3322115B2 (ja) * 1995-02-08 2002-09-09 株式会社豊田中央研究所 シリカ多孔体の製造方法
US5622684A (en) * 1995-06-06 1997-04-22 Board Of Trustees Operating Michigan State University Porous inorganic oxide materials prepared by non-ionic surfactant templating route
US5840271A (en) * 1996-02-09 1998-11-24 Intevep, S.A. Synthetic material with high void volume associated with mesoporous tortuous channels having a narrow size distribution
US5863515A (en) * 1996-02-20 1999-01-26 California Institute Of Technology Mesoporous alumina and process for its preparation
US5849258A (en) * 1996-06-06 1998-12-15 Intevep, S.A. Material with microporous crystalline walls defining a narrow size distribution of mesopores, and process for preparing same
US6106802A (en) * 1997-01-31 2000-08-22 Intevep, S.A. Stable synthetic material and method for preparing same
US5942208A (en) * 1997-06-20 1999-08-24 Yu Kong Limited Mesoporous molecular sieve substance and method for preparing the same
US5883035A (en) * 1997-11-05 1999-03-16 Engelhard Corporation Mesoporous silicoaluminate products and production thereof by controlled acid extraction of aluminum from calcium bentonite clay

Also Published As

Publication number Publication date
DE69907530D1 (de) 2003-06-12
US6485702B1 (en) 2002-11-26
EP0935996B1 (en) 2003-05-07
EP0935996A2 (en) 1999-08-18
DE69907530T2 (de) 2004-03-18
EP0935996A3 (en) 2000-01-19
JP3306387B2 (ja) 2002-07-24
US6106802A (en) 2000-08-22
JPH11278827A (ja) 1999-10-12
US6299855B1 (en) 2001-10-09
ZA991258B (en) 1999-08-18

Similar Documents

Publication Publication Date Title
BR9900580A (pt) Composição e processo para preparação de um material inorgânico poroso.
BR9711924A (pt) Processo para a preparação de uma solução de peróxido de hidrogênio
BR9804242A (pt) Processo para produzir refratário a base de sílica, e, artigo de refratário a base de sílica.
ES2036176T3 (es) Catalizadores que comprenden silice soportada sobre una superficie similar a boehmita, su preparacion y uso.
BR9913763A (pt) Partìculas de polivinilareno, processo para a preparação de partìculas de polivinilareno porosas, e, uso das partìculas
EP1136125A4 (en) MODIFIED PHOTOCATALYZER SOL
DE3884182D1 (de) Presslinge auf Basis von pyrogen hergestelltem Siliciumdioxid, Verfahren zu ihrer Herstellung und ihre Verwendung.
BR9811249A (pt) Nova formulação para inalação; apresentando densidade volumétrica, quando derramada, de 0,20 à 0,38g/ml, processo para preparação de formulação e uso da mesma
DE69617802D1 (de) Einlagerungsverbindungen; Blättchen, Verfahren zu ihrer Herstellung und Verbundmaterialien, die sie enthalten
DE68900807D1 (de) Katalytisch aktive kieselerde und alumina-gel und verfahren zur herstellung.
TW430650B (en) Compacts based on pyrogenically produced silicon dioxide
CA2102278A1 (en) Deodorant Container and Perfumed Stable Gel Assembly and Method of Manufacture
ES2175837T3 (es) Talco, que contiene compuestos de plipropileno.
ATE253537T1 (de) Siliziumkarbid-verbundwerkstoff, verfahren zu seiner herstellung und wärmeableitungsanordnung, die diesen verwendet
ES2106414T3 (es) Lamina apta para embuticion profunda, procedimiento para su fabricacion y uso de la misma.
BR0211699A (pt) Processo para preparar uma argila modificada, argila modificada, e, nanocompósito de argila polimérica
MX166617B (es) Producto fibroso aglutinado termicamente
EP0327723A3 (en) Die-formed articles based on pyrogenic titanium dioxide, process for their preparation and their use
BR8900519A (pt) Pecas prensadas a base de oxido de aluminio e processo para sua fabricacao
BR9905642A (pt) Lubrificante à base de água, de alta temperatura e processo para fabricação do mesmo
ES2179700T3 (es) Procedimiento para el recubrimiento de una superficie con un agente deseparacion.
KR980000576A (ko) 중간기공성 산화물 성형 입자
BR0011429A (pt) Métodos para o revestimento de partìculas e partìculas produzidas pelos mesmos
EP0953605A3 (en) Flow improved polycarbonate composition
BR0016124A (pt) Carbonização de materiais celulósicos fibrosos em presença de um composto organo-silicificado

Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PRESENTE PEDIDO DE ACORDO COM OS ARTIGOS 8O, 24 E 25 DA LPI.

B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL.