IT1275412B - Procedimento per la preparazione di ossidi misti silice-allumina porosi in forma sferica - Google Patents
Procedimento per la preparazione di ossidi misti silice-allumina porosi in forma sfericaInfo
- Publication number
- IT1275412B IT1275412B ITMI951139A ITMI951139A IT1275412B IT 1275412 B IT1275412 B IT 1275412B IT MI951139 A ITMI951139 A IT MI951139A IT MI951139 A ITMI951139 A IT MI951139A IT 1275412 B IT1275412 B IT 1275412B
- Authority
- IT
- Italy
- Prior art keywords
- preparation
- mixed
- oxides
- procedure
- porous silica
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000002360 preparation method Methods 0.000 title abstract 2
- 229910052782 aluminium Inorganic materials 0.000 title 1
- 230000001804 emulsifying effect Effects 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 239000000969 carrier Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 229910010293 ceramic material Inorganic materials 0.000 abstract 1
- 238000001879 gelation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000004530 micro-emulsion Substances 0.000 abstract 1
- 239000002243 precursor Substances 0.000 abstract 1
- 238000003878 thermal aging Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/14—Methods for preparing oxides or hydroxides in general
- C01B13/32—Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of elements or compounds in the liquid or solid state or in non-aqueous solution, e.g. sol-gel process
- C01B13/328—Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of elements or compounds in the liquid or solid state or in non-aqueous solution, e.g. sol-gel process by processes making use of emulsions, e.g. the kerosine process
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
- C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
- C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/14—Pore volume
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/16—Pore diameter
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Silicon Compounds (AREA)
- Catalysts (AREA)
- Colloid Chemistry (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI951139A IT1275412B (it) | 1995-06-01 | 1995-06-01 | Procedimento per la preparazione di ossidi misti silice-allumina porosi in forma sferica |
| ES96106827T ES2143678T3 (es) | 1995-06-01 | 1996-04-30 | Procedimiento para la preparacion de oxidos mixtos porosos de silice-alumina de forma esferica. |
| DE69607516T DE69607516T2 (de) | 1995-06-01 | 1996-04-30 | Verfahren zur Herstellung von gemischten porösen und kugelförmigen Silizium-Aluminiumoxyden |
| AT96106827T ATE191433T1 (de) | 1995-06-01 | 1996-04-30 | Verfahren zur herstellung von gemischten porösen und kugelförmigen silizium-aluminiumoxyden |
| DK96106827T DK0745557T3 (da) | 1995-06-01 | 1996-04-30 | Fremgangsmåde til fremstilling af blandede porøse og kugleformede siliciumoxid-aluminiumoxider |
| EP96106827A EP0745557B1 (en) | 1995-06-01 | 1996-04-30 | Process for the preparation of mixed porous silica-alumina oxides in a spherical form |
| US08/642,897 US5731261A (en) | 1995-06-01 | 1996-05-06 | Process for the preparation of mixed porous silica-alumina oxides in a spherical form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI951139A IT1275412B (it) | 1995-06-01 | 1995-06-01 | Procedimento per la preparazione di ossidi misti silice-allumina porosi in forma sferica |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| ITMI951139A0 ITMI951139A0 (it) | 1995-06-01 |
| ITMI951139A1 ITMI951139A1 (it) | 1996-12-01 |
| IT1275412B true IT1275412B (it) | 1997-08-05 |
Family
ID=11371720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ITMI951139A IT1275412B (it) | 1995-06-01 | 1995-06-01 | Procedimento per la preparazione di ossidi misti silice-allumina porosi in forma sferica |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5731261A (it) |
| EP (1) | EP0745557B1 (it) |
| AT (1) | ATE191433T1 (it) |
| DE (1) | DE69607516T2 (it) |
| DK (1) | DK0745557T3 (it) |
| ES (1) | ES2143678T3 (it) |
| IT (1) | IT1275412B (it) |
Families Citing this family (65)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5871646A (en) * | 1992-06-02 | 1999-02-16 | British Gas Plc | Porous amorphous silica-alumina refractory oxides, their preparation and use as separation membranes |
| GB2287460B (en) * | 1992-06-02 | 1996-02-14 | British Gas Plc | Porous amorphous silica-alumina refractory oxides,their preparation and use as separation membranes |
| US6048470A (en) * | 1996-12-20 | 2000-04-11 | Asahi Glass Company Ltd. | Alumina sol, alumina hydrate powder and processes for their production |
| US6413489B1 (en) | 1997-04-15 | 2002-07-02 | Massachusetts Institute Of Technology | Synthesis of nanometer-sized particles by reverse micelle mediated techniques |
| DE69941619D1 (de) * | 1998-06-12 | 2009-12-17 | Mitsubishi Paper Mills Ltd | Siliciumdioxid-aluminiumoxid-verbund-sol, verfahren zu dessen herstellung, und aufnahme-medium |
| IT1303713B1 (it) * | 1998-11-06 | 2001-02-23 | Enichem Spa | Processo per la preparazione di catalizzatori a base di zeolite tipomfi. |
| AUPQ573300A0 (en) * | 2000-02-21 | 2000-03-16 | Australian Nuclear Science & Technology Organisation | Controlled release ceramic particles, compositions thereof, processes of preparation and methods of use |
| US6391072B1 (en) * | 2000-05-04 | 2002-05-21 | Saint-Gobain Industrial Ceramics, Inc. | Abrasive grain |
| FR2819430B1 (fr) * | 2001-01-15 | 2003-02-28 | Inst Francais Du Petrole | Catalyseur comportant une silice-alumine et son utilisation en hydrocraquage de charges hydrocarbonees |
| US6995112B2 (en) * | 2002-11-08 | 2006-02-07 | Chevron U.S.A. Inc. | Highly homogeneous amorphous silica-alumina catalyst composition |
| TWI227719B (en) * | 2002-11-22 | 2005-02-11 | Far Eastern Textile Ltd | Method of preparing a surface modifier for nanoparticles dispersion of inorganic oxide nanoparticles |
| WO2004094487A1 (en) | 2003-03-21 | 2004-11-04 | Dow Global Technologies, Inc. | Morphology controlled olefin polymerization process |
| US6953764B2 (en) | 2003-05-02 | 2005-10-11 | Dow Global Technologies Inc. | High activity olefin polymerization catalyst and process |
| US7348293B2 (en) * | 2003-12-05 | 2008-03-25 | Chevron U.S.A. Inc. | Homogeneous modified-alumina Fischer-Tropsch catalyst supports |
| EP1803747A1 (en) | 2005-12-30 | 2007-07-04 | Borealis Technology Oy | Surface-modified polymerization catalysts for the preparation of low-gel polyolefin films |
| EP2018389B1 (en) | 2006-05-05 | 2016-03-09 | Dow Global Technologies LLC | Hafnium complexes of carbazolyl substituted imidazole ligands |
| US7750056B1 (en) | 2006-10-03 | 2010-07-06 | Sami Daoud | Low-density, high r-value translucent nanocrystallites |
| TW200932762A (en) | 2007-10-22 | 2009-08-01 | Univation Tech Llc | Polyethylene compositions having improved properties |
| TW200936619A (en) | 2007-11-15 | 2009-09-01 | Univation Tech Llc | Polymerization catalysts, methods of making, methods of using, and polyolefin products made therefrom |
| CN101878186A (zh) * | 2007-11-30 | 2010-11-03 | 纳诺洛吉卡股份公司 | 用于制备有控制结构与粒度的纳米多孔氧化铝基材料的方法和利用所述方法获得的纳米多孔氧化铝 |
| WO2010080871A1 (en) | 2009-01-08 | 2010-07-15 | Univation Technologies, Llc | Additive for gas phase polymerization processes |
| RU2527945C2 (ru) | 2009-01-08 | 2014-09-10 | Юнивейшн Текнолоджиз, Ллк | Добавка для процессов полимеризации полиолефинов |
| EP2456796B1 (en) | 2009-07-23 | 2013-07-17 | Univation Technologies, LLC | Polymerization reaction system |
| BR112012020762B1 (pt) | 2010-02-18 | 2020-04-07 | Univation Tech Llc | método para inativar um reator de polimerização de fase gasosa |
| CA2789687C (en) | 2010-02-22 | 2018-03-06 | Univation Technologies, Llc | Catalyst systems and methods for using same to produce polyolefin products |
| BR112012025925B1 (pt) | 2010-04-13 | 2020-03-17 | Univation Technologies, Llc | Mistura polimérica e filme |
| WO2012009215A1 (en) | 2010-07-16 | 2012-01-19 | Univation Technologies, Llc | Systems and methods for measuring static charge on particulates |
| EP2593217B1 (en) | 2010-07-16 | 2014-07-02 | Univation Technologies, LLC | Systems and methods for measuring particle accumulation on reactor surfaces |
| WO2012015898A1 (en) | 2010-07-28 | 2012-02-02 | Univation Technologies, Llc | Systems and methods for measuring velocity of a particle/fluid mixture |
| KR101854945B1 (ko) | 2010-12-17 | 2018-05-04 | 유니베이션 테크놀로지즈, 엘엘씨 | 폴리올레핀 퍼지 기체 생성물로부터 탄화수소를 회수하기 위한 시스템 및 방법 |
| US8703884B2 (en) | 2010-12-22 | 2014-04-22 | Univation Technologies, Llc | Additive for polyolefin polymerization processes |
| WO2013028283A1 (en) | 2011-08-19 | 2013-02-28 | Univation Technologies, Llc | Catalyst systems and methods for using same to produce polyolefin products |
| EP2776476B1 (en) | 2011-11-08 | 2019-03-13 | Univation Technologies, LLC | Methods for producing polyolefins with catalyst systems |
| SG11201404696VA (en) | 2012-03-05 | 2014-12-30 | Univation Tech Llc | Methods for making catalyst compositions and polymer products produced therefrom |
| JP6124662B2 (ja) * | 2012-10-03 | 2017-05-10 | 株式会社トクヤマ | 球状金属酸化物粉末及びその製造方法 |
| CA2800056A1 (en) | 2012-12-24 | 2014-06-24 | Nova Chemicals Corporation | Polyethylene blend compositions |
| WO2014106143A1 (en) | 2012-12-28 | 2014-07-03 | Univation Technologies, Llc | Supported catalyst with improved flowability |
| CN105143285B (zh) | 2013-02-07 | 2019-03-08 | 尤尼威蒂恩技术有限责任公司 | 聚烯烃的制备 |
| US9718900B2 (en) | 2013-03-15 | 2017-08-01 | Univation Technologies, Llc | Ligands for catalysts |
| JP6360549B2 (ja) | 2013-03-15 | 2018-07-18 | ユニベーション・テクノロジーズ・エルエルシー | オレフィン重合触媒用の三座窒素系配位子 |
| CN107266402A (zh) | 2013-06-05 | 2017-10-20 | 尤尼威蒂恩技术有限责任公司 | 保护酚基 |
| SG11201701260WA (en) | 2014-08-19 | 2017-03-30 | Univation Tech Llc | Fluorinated catalyst supports and catalyst systems |
| CN106794455B (zh) | 2014-08-19 | 2020-09-04 | 尤尼威蒂恩技术有限责任公司 | 氟化催化剂载体和催化剂系统 |
| BR112017003306B1 (pt) | 2014-08-19 | 2022-03-03 | Univation Technologies, Llc | Método para preparar um suporte de catalisador fluorado e sistema de catalisador |
| CA2974122C (en) | 2015-01-21 | 2023-09-19 | Univation Technologies, Llc | Methods for gel reduction in polyolefins |
| EP3247548B1 (en) | 2015-01-21 | 2021-09-01 | Univation Technologies, LLC | Methods for controlling polymer chain scission |
| KR102006096B1 (ko) | 2015-05-08 | 2019-07-31 | 엑손모빌 케미칼 패턴츠 인코포레이티드 | 중합 방법 |
| RU2610593C2 (ru) * | 2015-08-07 | 2017-02-14 | Эдуард Жорисович Мавлиханов | Способ получения гранулированного диоксида кремния |
| RU2605707C1 (ru) * | 2015-11-20 | 2016-12-27 | Игорь Иванович Лукьянчиков | Способ получения силикагеля |
| WO2018063765A1 (en) | 2016-09-27 | 2018-04-05 | Exxonmobil Chemical Patents Inc. | Polymerization process |
| WO2018063767A1 (en) | 2016-09-27 | 2018-04-05 | Exxonmobil Chemical Patents Inc. | Polymerization process |
| WO2018063764A1 (en) | 2016-09-27 | 2018-04-05 | Exxonmobil Chemical Patents Inc. | Polymerization process |
| EP3519466B1 (en) | 2016-09-27 | 2023-07-05 | Univation Technologies, LLC | Method for long chain branching control in polyethylene production |
| WO2018118155A1 (en) | 2016-12-20 | 2018-06-28 | Exxonmobil Chemical Patents Inc. | Polymerization process |
| RU2635710C1 (ru) * | 2017-09-13 | 2017-11-15 | Общество с ограниченной ответственностью "Салаватский катализаторный завод" | Способ получения силикагеля |
| US11591417B2 (en) | 2017-12-13 | 2023-02-28 | Exxonmobil Chemical Patents Inc. | Deactivation methods for active components from gas phase polyolefin polymerization processes |
| WO2019173030A1 (en) | 2018-03-08 | 2019-09-12 | Exxonmobil Chemical Patents Inc. | Methods of preparing and monitoring a seed bed for polymerization reactor startup |
| WO2019213227A1 (en) | 2018-05-02 | 2019-11-07 | Exxonmobil Chemical Patents Inc. | Methods for scale-up from a pilot plant to a larger production facility |
| CN112055720B (zh) | 2018-05-02 | 2022-11-22 | 埃克森美孚化学专利公司 | 从中试装置放大到较大生产设施的方法 |
| CN110935433B (zh) * | 2018-09-25 | 2023-01-10 | 中国石油化工股份有限公司 | 一种硅改性大孔氧化铝及其制备方法 |
| CN110935431B (zh) * | 2018-09-25 | 2023-01-10 | 中国石油化工股份有限公司 | 一种钛掺杂γ-氧化铝及其制备方法 |
| RU2700999C1 (ru) * | 2019-03-18 | 2019-09-24 | Общество с ограниченной ответственностью "Салаватский катализаторный завод" | Способ получения влагостойкого силикагеля |
| RU2705065C1 (ru) * | 2019-03-22 | 2019-11-01 | Общество с ограниченной ответственностью "Салаватский катализаторный завод" | Способ адсорбционной осушки и очистки природного газа |
| CN111196718B (zh) * | 2020-01-15 | 2022-05-13 | 安徽工业大学 | 一种采用微乳液模板法制备莫来石多孔陶瓷的方法 |
| CN118632823B (zh) * | 2022-03-25 | 2025-09-30 | 株式会社新生能源研究 | 含SiO2Al2O3溶胶溶液的合成方法和多孔质氧化铝膜的形成方法 |
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| JPS4831839A (it) * | 1971-08-30 | 1973-04-26 | ||
| US3890247A (en) * | 1971-12-17 | 1975-06-17 | Union Oil Co | Hydrocracking catalyst |
| US4042769A (en) * | 1975-03-12 | 1977-08-16 | Gulf Research & Development Company | Catalysts for the polymerization of ethylene |
| US4053435A (en) * | 1975-03-12 | 1977-10-11 | Gulf Research & Development Company | Catalysts for the polymerization of ethylene |
| CS179184B1 (en) * | 1975-07-25 | 1977-10-31 | Stanislav Vozka | Method for preparation of precisely spherical particles of silica gel with controlled size and controled size pores. |
| US4169926A (en) * | 1978-01-16 | 1979-10-02 | Phillips Petroleum Company | Inorganic hydrogels and uses thereof |
| IT1096661B (it) * | 1978-06-13 | 1985-08-26 | Montedison Spa | Procedimento per la preparazione di prodotti in forma sferoidale solidi a temperatura ambiente |
| US4226743A (en) * | 1979-03-12 | 1980-10-07 | W. R. Grace & Co. | Silica-alumina hydrogel catalyst |
| DE3030055A1 (de) * | 1980-08-08 | 1982-03-25 | Basf Ag, 6700 Ludwigshafen | Verfahren zum herstellen von ethylen-homopolymerisaten sowie ethylen-copolymerisaten mit (alpha) -monoolefinen |
| JPS6052083B2 (ja) * | 1981-04-23 | 1985-11-18 | 日本碍子株式会社 | 高純度セラミツク粉末の製造法 |
| US4717708A (en) * | 1983-12-27 | 1988-01-05 | Stauffer Chemical Company | Inorganic oxide aerogels and their preparation |
| US4574003A (en) * | 1984-05-03 | 1986-03-04 | Minnesota Mining And Manufacturing Co. | Process for improved densification of sol-gel produced alumina-based ceramics |
| DE3873512T2 (de) * | 1988-02-19 | 1992-12-03 | Tohru Yamamoto | Katalysator fuer das ein metallalkoxid verwendendes sol-gel-verfahren und das oxid verwendende sol-gel-verfahren. |
| US5135641A (en) * | 1988-11-23 | 1992-08-04 | Chevron Research Company | Catalytic cracking process employing silica/alumina cogel catalysts |
| KR950001660B1 (ko) * | 1989-04-07 | 1995-02-28 | 니혼 쇼꾸바이 가가꾸 고오교 가부시기가이샤 | 무기산화물 입자의 제조법 |
| IT1240673B (it) * | 1990-04-24 | 1993-12-17 | Tenav | Microsfere di aerogels di ossidi inorganici a stretta distribuzione dei diametri dei pori e metodo per la loro preparazione |
| US5076980A (en) * | 1990-08-01 | 1991-12-31 | Geltech, Inc. | Method of making sol-gel monoliths |
| US5262142A (en) * | 1991-08-06 | 1993-11-16 | Tokuyama Soda Kabushiki Kaisha | Composite oxide of formula R2 O.Al2 O3.TiO2.SiO2.H2 O, where R is an alkali metal |
| IT1251939B (it) * | 1991-10-17 | 1995-05-27 | Donegani Guido Ist | Procedimento per la preparazione di materiali a base di ossidi inorganici con granulometria monodispersa e materiali cosi ottenuti. |
| IT1251937B (it) * | 1991-10-17 | 1995-05-27 | Donegani Guido Ist | Xerogels di silice ad alta porosita` e processo per la loro preparazione. |
| BE1005718A3 (fr) * | 1992-03-10 | 1993-12-28 | Solvay | Procede pour la fabrication d'une poudre microspheroidale a faible dispersite, poudre microspheroidale a faible dispersite ainsi obtenue, catalyseurs pour la polymerisation d'alpha-olefines et procede de polymerisation d'alpha-olefines. |
| GB9210265D0 (en) * | 1992-05-13 | 1992-07-01 | Unilever Plc | Catalysts and catalyst supports |
| DE4228711A1 (de) * | 1992-08-28 | 1994-03-03 | Degussa | Silicium-Aluminium-Mischoxid |
-
1995
- 1995-06-01 IT ITMI951139A patent/IT1275412B/it active IP Right Grant
-
1996
- 1996-04-30 AT AT96106827T patent/ATE191433T1/de not_active IP Right Cessation
- 1996-04-30 DE DE69607516T patent/DE69607516T2/de not_active Expired - Lifetime
- 1996-04-30 DK DK96106827T patent/DK0745557T3/da active
- 1996-04-30 EP EP96106827A patent/EP0745557B1/en not_active Expired - Lifetime
- 1996-04-30 ES ES96106827T patent/ES2143678T3/es not_active Expired - Lifetime
- 1996-05-06 US US08/642,897 patent/US5731261A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0745557A1 (en) | 1996-12-04 |
| DK0745557T3 (da) | 2000-08-14 |
| DE69607516T2 (de) | 2000-08-31 |
| EP0745557B1 (en) | 2000-04-05 |
| US5731261A (en) | 1998-03-24 |
| DE69607516D1 (de) | 2000-05-11 |
| ITMI951139A0 (it) | 1995-06-01 |
| ATE191433T1 (de) | 2000-04-15 |
| ITMI951139A1 (it) | 1996-12-01 |
| ES2143678T3 (es) | 2000-05-16 |
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