DE69125892D1 - Überziehung von Absorbenzien von schwefelhaltigen Substanzen - Google Patents
Überziehung von Absorbenzien von schwefelhaltigen SubstanzenInfo
- Publication number
- DE69125892D1 DE69125892D1 DE69125892T DE69125892T DE69125892D1 DE 69125892 D1 DE69125892 D1 DE 69125892D1 DE 69125892 T DE69125892 T DE 69125892T DE 69125892 T DE69125892 T DE 69125892T DE 69125892 D1 DE69125892 D1 DE 69125892D1
- Authority
- DE
- Germany
- Prior art keywords
- coating
- absorbents
- containing sulfur
- substances containing
- diatomite material
- 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 - Fee Related
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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
-
- 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
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/024—Compounds of Zn, Cd, Hg
- B01J20/0244—Compounds of Zn
-
- 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
- B01J20/06—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
- B01J20/08—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 comprising aluminium oxide or hydroxide; comprising bauxite
-
- 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
- B01J20/02—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
- B01J20/14—Diatomaceous earth
-
- 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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28016—Particle form
-
- 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
- B01J20/3007—Moulding, shaping or extruding
-
- 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
- B01J20/3078—Thermal treatment, e.g. calcining or pyrolizing
-
- 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
- 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
- B01J20/34—Regenerating or reactivating
- B01J20/3433—Regenerating or reactivating of sorbents or filter aids other than those covered by B01J20/3408 - B01J20/3425
-
- 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
- B01J20/34—Regenerating or reactivating
- B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
- B01J20/3458—Regenerating or reactivating using a particular desorbing compound or mixture in the gas phase
-
- 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
- B01J20/34—Regenerating or reactivating
- B01J20/3483—Regenerating or reactivating by thermal treatment not covered by groups B01J20/3441 - B01J20/3475, e.g. by heating or cooling
-
- 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
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/42—Materials comprising a mixture of inorganic materials
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/559,923 US5281445A (en) | 1990-07-30 | 1990-07-30 | Coating of components of sulfur absorbants |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69125892D1 true DE69125892D1 (de) | 1997-06-05 |
DE69125892T2 DE69125892T2 (de) | 1997-08-14 |
Family
ID=24235626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69125892T Expired - Fee Related DE69125892T2 (de) | 1990-07-30 | 1991-07-29 | Überziehung von Absorbenzien von schwefelhaltigen Substanzen |
Country Status (9)
Country | Link |
---|---|
US (1) | US5281445A (de) |
EP (1) | EP0469513B1 (de) |
AT (1) | ATE152370T1 (de) |
CA (1) | CA2039397C (de) |
DE (1) | DE69125892T2 (de) |
DK (1) | DK0469513T3 (de) |
ES (1) | ES2100908T3 (de) |
GR (1) | GR3023894T3 (de) |
MX (1) | MX9100212A (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9120973D0 (en) * | 1991-10-03 | 1991-11-13 | Dytech Corp Ltd | Desulphurisation treatment |
US5710083A (en) * | 1996-08-14 | 1998-01-20 | Phillips Petroleum Company | Process to rejuvenate spent zinc oxide sorbents |
US6150300A (en) * | 1996-08-14 | 2000-11-21 | Phillips Petroleum Company | Process to produce sorbents |
RU2144060C1 (ru) * | 1996-12-20 | 2000-01-10 | Поханг Айрон энд Стил Ко., Лтд. | Способ повышения сжигаемости угля, используемого в процессе производства чугуна |
US6500237B2 (en) * | 1997-08-12 | 2002-12-31 | Adi International Inc. | Removing hydrogen sulfide from a gaseous mixture using ferric ions bonded to calcined diatomite |
US5990372A (en) * | 1998-01-12 | 1999-11-23 | United Catalysts Inc. | Adsorbent for the removal of trace quantities from a hydrocarbon stream and process for its use |
DE69942498D1 (de) | 1998-08-28 | 2010-07-29 | Sharp Kk | Verfahren und Vorrichtung zur Modifizierung von Partikeloberflächen |
US6383981B1 (en) | 1999-07-20 | 2002-05-07 | Süd-Chemie Inc. | Adsorbent for the removal of trace quantities from a hydrocarbon stream and process for its use |
CN1474660A (zh) * | 2000-09-18 | 2004-02-11 | �ָ��š���ɭ������˹����˾ | 带有不可燃处理材料的低侧流烟香烟 |
AU2002229905A1 (en) * | 2001-02-16 | 2002-09-04 | Bp Corporation North America Inc. | Copper-cerium adsorbent and desulphurization process using the same |
ES2268074T3 (es) * | 2001-09-14 | 2007-03-16 | ROTHMANS, BENSON & HEDGES INC. | Procedimiento de preparacion de materiales microporosos revestidos de oxidos metalicos de tierras raras. |
US20030114299A1 (en) * | 2001-11-28 | 2003-06-19 | Khare Gyanesh P. | Desulfurization and novel sorbent for same |
US6649555B2 (en) | 2001-12-19 | 2003-11-18 | Conocophillips Company | Reactivation of deactivated sorbents |
US6544410B1 (en) * | 2001-12-19 | 2003-04-08 | Phillips Petroleum Company | Desulfurization with improved sorbent regeneration |
US20030111389A1 (en) * | 2001-12-19 | 2003-06-19 | Johnson Marvin M. | Desulfurization of middle distillates |
US6635795B2 (en) | 2001-12-19 | 2003-10-21 | Conocophillips Company | Desulfurization with improved sorbent regeneration |
US7105140B2 (en) | 2002-03-04 | 2006-09-12 | Conocophillips Company | Desulfurization compositions |
US20040020504A1 (en) * | 2002-03-15 | 2004-02-05 | Rothmans, Benson & Hedges Inc. | Low sidestream smoke cigarette with combustible paper having a modified ash |
US20030232723A1 (en) * | 2002-06-13 | 2003-12-18 | Dodwell Glenn W. | Desulfurization and novel sorbent for the same |
EP1644465B1 (de) * | 2003-06-23 | 2010-03-17 | Shell Internationale Researchmaatschappij B.V. | Verfahren zur herstellung eines schmierbaseöls |
CN100358979C (zh) * | 2003-06-27 | 2008-01-02 | 国际壳牌研究有限公司 | 制备润滑基础油的方法 |
US8323603B2 (en) * | 2004-09-01 | 2012-12-04 | Sud-Chemie Inc. | Desulfurization system and method for desulfurizing a fuel stream |
US7780846B2 (en) * | 2004-09-01 | 2010-08-24 | Sud-Chemie Inc. | Sulfur adsorbent, desulfurization system and method for desulfurizing |
US20060283780A1 (en) * | 2004-09-01 | 2006-12-21 | Sud-Chemie Inc., | Desulfurization system and method for desulfurizing a fuel stream |
US20060043001A1 (en) * | 2004-09-01 | 2006-03-02 | Sud-Chemie Inc. | Desulfurization system and method for desulfurizing afuel stream |
JP2008525551A (ja) * | 2004-12-23 | 2008-07-17 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ | 潤滑基油の製造方法 |
PL1843840T3 (pl) * | 2005-01-06 | 2019-11-29 | Res Triangle Inst | Sorbenty na bazie tlenku cynku oraz procesy ich wytwarzania i stosowania |
US7811474B2 (en) * | 2008-12-04 | 2010-10-12 | Uop Llc | Simultaneous warm gas desulfurization and CO-shift for improved syngas cleanup |
US7759282B2 (en) * | 2008-12-04 | 2010-07-20 | Uop Llc | Catalyst for removal of sulfer from a gaseous stream |
US7935324B2 (en) * | 2008-12-04 | 2011-05-03 | Uop Llc | Integrated warm gas desulfurization and gas shift for cleanup of gaseous streams |
US8017545B2 (en) * | 2008-12-04 | 2011-09-13 | Uop Llc | Dynamic composition for the removal of sulfur from a gaseous stream |
US8940660B2 (en) * | 2008-12-04 | 2015-01-27 | Uop Llc | Simultaneous warm gas desulfurization and complete CO-shift for improved syngas cleanup |
US8696792B2 (en) | 2009-09-30 | 2014-04-15 | Research Triangle Institute | Process and system for removing impurities from a gas |
US9068128B2 (en) * | 2011-10-18 | 2015-06-30 | Baker Hughes Incorporated | Method for reducing hydrogen sulfide evolution from asphalt and heavy fuel oils |
CN107109086A (zh) | 2014-11-17 | 2017-08-29 | 波特兰州立大学 | 包括硅藻细胞壳的组合物及其应用 |
CN112354535A (zh) * | 2020-11-10 | 2021-02-12 | 成都嘉合芳华环保科技有限公司 | 一种宽温区环境锰铈基氧化型催化剂及其制备方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3518206A (en) * | 1968-05-17 | 1970-06-30 | Du Pont | Supported catalysts composed of substrate coated with colloidal silica and catalyst |
US3844810A (en) * | 1971-03-31 | 1974-10-29 | Plastic Molders Supply Co | Pigment dispersion |
US3953218A (en) * | 1971-03-31 | 1976-04-27 | Pms Consolidated | Pigment dispersion |
US4309374A (en) * | 1971-03-31 | 1982-01-05 | Plastic Molders Supply Co., Inc. | Method of coloring and molding a shaped thermoplastic resin article |
US3939104A (en) * | 1972-10-04 | 1976-02-17 | Imperial Chemical Industries Limited | Catalytic process |
FR2295782A1 (fr) * | 1974-12-27 | 1976-07-23 | Inst Francais Du Petrole | Procede d'epuration d'un gaz contenant du sulfure d'hydrogene et masses de contact utilisables a cet effet |
AU542983B2 (en) * | 1979-04-06 | 1985-03-28 | Cuno Incorporated | Cationic filter aid |
US4416932A (en) * | 1981-08-03 | 1983-11-22 | E. I. Du Pont De Nemours And Company | Thick film conductor compositions |
DE3200483A1 (de) * | 1982-01-09 | 1983-07-21 | Bayer Ag, 5090 Leverkusen | Kieselsaeurehaltige formkoerper, verfahren zu ihrer herstellung und ihre verwendung |
JPS6185305A (ja) * | 1984-10-04 | 1986-04-30 | Masanori Takubo | 根管充填剤 |
US4637995A (en) * | 1985-03-18 | 1987-01-20 | Corning Glass Works | Preparation of monolithic catalyst supports having an integrated high surface area phase |
US4729889A (en) * | 1985-03-29 | 1988-03-08 | California Institute Of Technology | High temperature regenerative H2 S sorbents |
GB8527661D0 (en) * | 1985-11-08 | 1985-12-11 | Ici Plc | Catalyst supports & precursors |
US4740251A (en) * | 1986-12-22 | 1988-04-26 | Calgon Corporation | Method for improving magnesium oxide steel coatings |
DE3732932A1 (de) * | 1987-09-30 | 1989-04-13 | Basf Ag | Zinkoxid enthaltende entschwefelungsmassen |
US4899012A (en) * | 1988-10-17 | 1990-02-06 | Uop | Catalyst for the isomerization of aromatics |
CA2014560C (en) * | 1989-06-07 | 1999-02-16 | Dennis R. Kidd | Selective removal of hydrogen sulfide over a zinc oxide and silica absorbing composition |
-
1990
- 1990-07-30 US US07/559,923 patent/US5281445A/en not_active Expired - Fee Related
-
1991
- 1991-03-28 CA CA002039397A patent/CA2039397C/en not_active Expired - Fee Related
- 1991-07-15 MX MX9100212A patent/MX9100212A/es not_active IP Right Cessation
- 1991-07-29 ES ES91112704T patent/ES2100908T3/es not_active Expired - Lifetime
- 1991-07-29 AT AT91112704T patent/ATE152370T1/de not_active IP Right Cessation
- 1991-07-29 DK DK91112704.1T patent/DK0469513T3/da active
- 1991-07-29 EP EP91112704A patent/EP0469513B1/de not_active Expired - Lifetime
- 1991-07-29 DE DE69125892T patent/DE69125892T2/de not_active Expired - Fee Related
-
1997
- 1997-06-26 GR GR970401541T patent/GR3023894T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
GR3023894T3 (en) | 1997-09-30 |
CA2039397A1 (en) | 1992-01-31 |
ATE152370T1 (de) | 1997-05-15 |
US5281445A (en) | 1994-01-25 |
DK0469513T3 (da) | 1997-11-03 |
MX9100212A (es) | 1992-02-28 |
EP0469513B1 (de) | 1997-05-02 |
EP0469513A1 (de) | 1992-02-05 |
DE69125892T2 (de) | 1997-08-14 |
ES2100908T3 (es) | 1997-07-01 |
CA2039397C (en) | 1997-03-04 |
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