ES2092545T3 - Carbonato de calcio rombohedrico y procedimiento de envejecimiento en caliente acelerado para su produccion. - Google Patents
Carbonato de calcio rombohedrico y procedimiento de envejecimiento en caliente acelerado para su produccion.Info
- Publication number
- ES2092545T3 ES2092545T3 ES91301797T ES91301797T ES2092545T3 ES 2092545 T3 ES2092545 T3 ES 2092545T3 ES 91301797 T ES91301797 T ES 91301797T ES 91301797 T ES91301797 T ES 91301797T ES 2092545 T3 ES2092545 T3 ES 2092545T3
- Authority
- ES
- Spain
- Prior art keywords
- calcium carbonate
- discrete
- paper
- rombohedrico
- production
- 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
-
- 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
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
- C01F11/185—After-treatment, e.g. grinding, purification, conversion of crystal morphology
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
- D21H21/52—Additives of definite length or shape
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
-
- 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
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Paper (AREA)
Abstract
SE PRESENTA UNA FORMA DE CARBONATO DE CALCIO QUE TIENE UN CRISTAL FINAL ROMBOHEDRICO DE BLOQUE DE SEIS CARAS CON UN AREA DE SUPERFICIE DE ENTRE 3 Y 15 M (AL CUADRADO) /G, UNA MEDIA DE TAMAÑO DE PARTICULA DISCRETA DE ENTRE 0.2 Y 0.9 MICRONES, EN DONDE LAS PARTICULAS DISCRETAS TIENEN UNA RELACION DE ASPECTO INFERIOR A 2, Y UNA DISTRIBUCION DE TAMAÑO DE PARTICULA TAL QUE AL MENOS ALREDEDOR DEL 60% DE LAS PARTICULAS CAEN DENTRO DEL 50% DEL DIAMETRO DE LA PARTICULA DISCRETA EQUIVALENTE, EL COMPUESTO ES ADECUADO PARA SU USO COMO MATERIAL DE RELLENO EN LA FABRICACION DE PAPEL PARA MEJORAR LAS PROPIEDADES OPTICAS DEL PAPEL RESULTANTE. TAMBIEN SE PRESENTA UN PROCESO DE ENVEJECIMIENTO ACELERADO MEDIANTE CALOR, QUE UTILIZA TECNICAS HIDROTERMALES, PARA PRODUCIR RAPIDAMENTE ESTA FORMA DE CARBONATO DE CALCIO Y UNA FORMA RELACIONADA DE CARBONATO DE CALCIO QUE TIENE UNA MORFOLOGIA DEL CRISTAL FINAL PRISMATICO EN GRANDES CANTIDADES PARA DAR RESPUESTA A LA DEMANDA DE LA INDUSTRIA DE FABRICACION DE PAPEL COMOUN METODO PARA USAR ESTOS MATERIALES EN LA FABRICACION DE PAPEL.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/493,075 US5269818A (en) | 1990-03-13 | 1990-03-13 | Rhombohedral calcium carbonate and accelerated heat-aging process for the production thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2092545T3 true ES2092545T3 (es) | 1996-12-01 |
Family
ID=23958798
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES95118361T Expired - Lifetime ES2117823T3 (es) | 1990-03-13 | 1991-03-05 | Carbonato calcico romboedrico. |
| ES91301797T Expired - Lifetime ES2092545T3 (es) | 1990-03-13 | 1991-03-05 | Carbonato de calcio rombohedrico y procedimiento de envejecimiento en caliente acelerado para su produccion. |
| ES95118362T Expired - Lifetime ES2112602T3 (es) | 1990-03-13 | 1991-03-05 | Procedimiento para mejorar las propiedades opticas del papel. |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES95118361T Expired - Lifetime ES2117823T3 (es) | 1990-03-13 | 1991-03-05 | Carbonato calcico romboedrico. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES95118362T Expired - Lifetime ES2112602T3 (es) | 1990-03-13 | 1991-03-05 | Procedimiento para mejorar las propiedades opticas del papel. |
Country Status (10)
| Country | Link |
|---|---|
| US (3) | US5269818A (es) |
| EP (3) | EP0703193B1 (es) |
| JP (1) | JP3417954B2 (es) |
| KR (1) | KR930001214B1 (es) |
| AU (2) | AU7283891A (es) |
| BR (1) | BR9100979A (es) |
| CA (1) | CA2038009C (es) |
| DE (3) | DE69128730T2 (es) |
| ES (3) | ES2117823T3 (es) |
| FI (1) | FI100722B (es) |
Families Citing this family (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992021613A1 (en) * | 1991-06-04 | 1992-12-10 | Minerals Technologies, Inc. | Precipitated calcium carbonate particles from basic calcium carbonate |
| BR9306159A (pt) * | 1992-04-03 | 1998-01-13 | Minerals Tech Inc | Carbonato de cálcio precipitado na forma de aglomerados de partículas de calcita processo para a preparação do mesmo e papel de alta opacidade de alta resistência |
| US5853686A (en) * | 1993-08-10 | 1998-12-29 | State Of Oregon Acting By And Through The Oregon State Board Of Higher Education On Behalf Of The University Of Oregon | Calcium carbonates of altered crystal habit or morphology and methods for producing same |
| US5665205A (en) * | 1995-01-19 | 1997-09-09 | International Paper Company | Method for improving brightness and cleanliness of secondary fibers for paper and paperboard manufacture |
| US5643631A (en) * | 1995-03-17 | 1997-07-01 | Minerals Tech Inc | Ink jet recording paper incorporating novel precipitated calcium carbonate pigment |
| GB9520703D0 (en) * | 1995-10-10 | 1995-12-13 | Ecc Int Ltd | Paper coating pigments and their production and use |
| US5741471A (en) * | 1995-12-05 | 1998-04-21 | Minerals Technologies Inc. | Process for the preparation of discrete particles of calcium carbonate |
| US5830318A (en) * | 1996-10-25 | 1998-11-03 | Schweitzer-Mauduit International, Inc. | High opacity tipping paper |
| US5730840A (en) * | 1996-11-14 | 1998-03-24 | Schwietzer-Mauduit Inernational, Inc. | Cigarette paper with improved ash characteristics |
| US5888348A (en) * | 1996-11-14 | 1999-03-30 | Schweitzer-Mauduit International, Inc. | Method for controlling the permeability of a paper |
| US6823872B2 (en) * | 1997-04-07 | 2004-11-30 | Schweitzer-Mauduit International, Inc. | Smoking article with reduced carbon monoxide delivery |
| US6305382B1 (en) | 1997-04-07 | 2001-10-23 | Schweitzer-Mauduit International, Inc. | Reduced basis weight cigarette paper |
| US5893372A (en) * | 1997-04-07 | 1999-04-13 | Schweitzer Maudit International, Inc. | High opacity wrapping paper |
| US5921249A (en) * | 1997-07-14 | 1999-07-13 | Schweitzer-Mauduit International, Inc. | High and low porosity wrapping papers for smoking articles |
| US6100232A (en) * | 1998-03-02 | 2000-08-08 | The Procter & Gamble Company | Process for making a granular detergent composition containing a selected crystalline calcium carbonate builder |
| EP1165441A1 (en) * | 1999-03-31 | 2002-01-02 | Minerals Technologies Inc. | Process for the preparation of discrete particles of calcium carbonate |
| US6251356B1 (en) | 1999-07-21 | 2001-06-26 | G. R. International, Inc. | High speed manufacturing process for precipitated calcium carbonate employing sequential perssure carbonation |
| US6440209B1 (en) | 2000-02-09 | 2002-08-27 | Engelhard Corpoartion | Composite pigments comprising in-situ precipitated metal carbonate crystals |
| DE10007484C2 (de) | 2000-02-18 | 2001-12-13 | Schoeller Felix Jun Foto | Schichtträger für Aufzeichnungsmaterialien |
| US6568403B2 (en) | 2000-06-22 | 2003-05-27 | Schweitzer-Mauduit International, Inc. | Paper wrapper for reduction of cigarette burn rate |
| US7048900B2 (en) * | 2001-01-31 | 2006-05-23 | G.R. International, Inc. | Method and apparatus for production of precipitated calcium carbonate and silicate compounds in common process equipment |
| JP3484425B2 (ja) * | 2001-03-14 | 2004-01-06 | 花王株式会社 | 歯磨剤 |
| US6592837B2 (en) | 2001-04-20 | 2003-07-15 | Carbominerals | Narrow size distribution ground calcium carbonate compositions |
| RU2229442C2 (ru) * | 2002-07-24 | 2004-05-27 | Открытое акционерное общество "Сода" | Способ получения химически осажденного карбоната кальция |
| RU2229443C2 (ru) * | 2002-07-24 | 2004-05-27 | Открытое акционерное общество "Сода" | Способ получения химически осажденного карбоната кальция |
| DE10357437A1 (de) * | 2003-12-09 | 2005-07-07 | Voith Paper Patent Gmbh | Verfahren zum Beladen einer Faserstoffsuspension und Anordnung zur Durchführung des Verfahrens |
| EP1713725A1 (en) * | 2004-02-05 | 2006-10-25 | Imerys Minerals Limited | Natural particulate carbonate |
| EP1586704A1 (en) * | 2004-04-16 | 2005-10-19 | SOLVAY (Société Anonyme) | Use of ultrafine calcium carbonate particles in papermaking |
| US20060060317A1 (en) * | 2004-09-20 | 2006-03-23 | International Paper Company | Method to reduce back trap offset print mottle |
| US20070181275A1 (en) * | 2005-04-14 | 2007-08-09 | Solvay (Socete Anonyme) | Use of calcuim carbonate particles in papermaking |
| EP1795502A1 (en) * | 2005-12-12 | 2007-06-13 | SOLVAY (Société Anonyme) | Particles of precipitated calcium carbonate, process for making the particles and use of the particles as filler |
| CA2647352C (en) | 2006-03-24 | 2012-05-22 | Newpage Wisconsin System Inc. | Paper and coating medium for multifunctional printing |
| JP4801478B2 (ja) * | 2006-03-27 | 2011-10-26 | 日本製紙株式会社 | ブロークパルプの処理方法 |
| US7468101B2 (en) | 2006-08-17 | 2008-12-23 | Specialty Minerals (Michigan) Inc. | UV varnish gloss performance using novel pigment and process for making same |
| EP2494876B1 (en) | 2007-02-23 | 2019-01-09 | Schweitzer-Mauduit International, Inc. | Wrappers for smoking articles having reduced diffusion leading to reduced ignition proclivity characteristics |
| ES2438278T5 (es) † | 2009-07-01 | 2017-07-11 | Omya International Ag | Método de mejora de la opacidad |
| US8431193B2 (en) | 2009-08-12 | 2013-04-30 | Newpage Corporation | Inkjet recording medium |
| EP2473672B1 (en) * | 2009-08-31 | 2023-06-07 | Verso Paper Holding LLC | Inkjet recording medium |
| US8821997B2 (en) | 2010-12-15 | 2014-09-02 | Newpage Corporation | Recording medium for inkjet printing |
| CN103370473B (zh) | 2011-02-18 | 2016-06-01 | 新页公司 | 用于喷墨印刷的光泽记录介质 |
| DE202012012628U1 (de) | 2011-10-05 | 2013-07-04 | Solvay S.A. | Gefällte Calciumcarbonatteilchen und Verwendung davon |
| KR101329673B1 (ko) * | 2011-10-27 | 2013-11-15 | 한국지질자원연구원 | 산업부산물인 고로슬래그를 이용한 광물 탄산화 효율 증대 방법 |
| US8821998B2 (en) | 2012-04-13 | 2014-09-02 | Newpage Corporation | Recording medium for inkjet printing |
| EP2871159A1 (en) * | 2013-11-08 | 2015-05-13 | Omya International AG | Process for improving the particle size distribution of a calcium carbonate-containing material |
| EP3002318A1 (en) * | 2014-09-30 | 2016-04-06 | Omya International AG | Process for improving particle size distribution of calcium carbonate-comprising material |
| CN104804473A (zh) * | 2015-04-30 | 2015-07-29 | 建德市双超钙业有限公司 | 双组份高挤出性建筑硅酮胶专用纳米碳酸钙的生产方法 |
| DE102015107829B4 (de) * | 2015-05-19 | 2017-06-14 | Delfortgroup Ag | Umhüllungspapier, Verfahren zu dessen Herstellung und Zigarette mit einem Umhüllungspapier |
| US20220305692A1 (en) * | 2018-06-06 | 2022-09-29 | The University Of Queensland | A semi-wet milling strategy to fabricate ultra-small nano-clay |
| CN111874934A (zh) * | 2020-08-14 | 2020-11-03 | 王权广 | 规整立方体晶形纳米碳酸钙制备工艺 |
| JP6896310B1 (ja) * | 2020-11-06 | 2021-06-30 | 株式会社白石中央研究所 | 粒子形態の制御された炭酸カルシウムおよびその製造方法ならびに結晶成長方法 |
| JP6948086B1 (ja) * | 2020-12-22 | 2021-10-13 | 株式会社白石中央研究所 | 炭酸カルシウムの製造方法ならびにその結晶成長方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3126253A (en) * | 1964-03-24 | Process for the manufacture of finely | ||
| GB540044A (en) * | 1939-12-07 | 1941-10-03 | Pittsburgh Plate Glass Co | Improvements in or relating to the preparation of alkaline earth metal carbonates inthe form of relatively fine slow settling particles |
| US3320026A (en) * | 1964-02-20 | 1967-05-16 | Pfizer & Co C | Method of preparing calcite and the product thereof |
| US3920800A (en) * | 1973-10-12 | 1975-11-18 | Cyprus Mines Corp | Production of purified calcium carbonate |
| DE2847205C2 (de) * | 1978-10-30 | 1984-11-08 | Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn | Verfahren zur Herstellung eines Papierfüllstoffs und/oder Streichpigments |
| US4420341A (en) * | 1982-04-05 | 1983-12-13 | Ferrigno Thomas H | Stabilized surface modified fillers |
| DE3316949C3 (de) * | 1983-05-09 | 1995-03-23 | Pluss Stauffer Ag | Calciumcarbonat |
| DE3417393C2 (de) * | 1984-05-10 | 1986-10-30 | Adolf Prof. Dr. 3220 Alfeld Knappwost | Mittel zur Anhebung des pH-Werts der Zahnplaque und Verfahren zu deren Herstellung |
| DE3587060T2 (de) * | 1984-10-18 | 1993-05-19 | Pfizer | Kugelfoermiges ausgefaelltes calciumcarbonat, seine herstellung und seine verwendung. |
| JPS62113798A (ja) * | 1985-11-12 | 1987-05-25 | Shinichi Hirano | 炭酸カルシユウム単結晶の製造方法 |
| JPH0197681A (ja) * | 1987-10-08 | 1989-04-17 | Kanzaki Paper Mfg Co Ltd | 感熱記録体 |
| US5043017A (en) * | 1990-03-09 | 1991-08-27 | Pfizer Inc. | Acid-stabilized calcium carbonate, process for its production and method for its use in the manufacture of acidic paper |
| DE19813839A1 (de) * | 1998-03-20 | 1999-09-23 | Metagen Gesellschaft Fuer Genomforschung Mbh | Menschliche Nukleinsäuresequenzen aus Brusttumorgewebe |
-
1990
- 1990-03-13 US US07/493,075 patent/US5269818A/en not_active Expired - Lifetime
- 1990-12-17 US US07/628,734 patent/US5296002A/en not_active Expired - Lifetime
-
1991
- 1991-03-05 EP EP95118361A patent/EP0703193B1/en not_active Revoked
- 1991-03-05 EP EP91301797A patent/EP0447094B1/en not_active Expired - Lifetime
- 1991-03-05 DE DE69128730T patent/DE69128730T2/de not_active Expired - Fee Related
- 1991-03-05 DE DE69122146T patent/DE69122146T2/de not_active Expired - Fee Related
- 1991-03-05 DE DE69129377T patent/DE69129377T2/de not_active Revoked
- 1991-03-05 ES ES95118361T patent/ES2117823T3/es not_active Expired - Lifetime
- 1991-03-05 ES ES91301797T patent/ES2092545T3/es not_active Expired - Lifetime
- 1991-03-05 EP EP95118362A patent/EP0703315B1/en not_active Expired - Lifetime
- 1991-03-05 ES ES95118362T patent/ES2112602T3/es not_active Expired - Lifetime
- 1991-03-11 CA CA002038009A patent/CA2038009C/en not_active Expired - Fee Related
- 1991-03-12 BR BR919100979A patent/BR9100979A/pt not_active IP Right Cessation
- 1991-03-12 KR KR1019910003896A patent/KR930001214B1/ko not_active Expired - Fee Related
- 1991-03-12 AU AU72838/91A patent/AU7283891A/en not_active Abandoned
- 1991-03-12 FI FI911211A patent/FI100722B/fi not_active IP Right Cessation
- 1991-03-13 JP JP07399691A patent/JP3417954B2/ja not_active Expired - Fee Related
-
1992
- 1992-06-19 US US07/901,440 patent/US5215734A/en not_active Expired - Lifetime
-
1993
- 1993-05-20 AU AU38700/93A patent/AU666539B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP0703315A2 (en) | 1996-03-27 |
| DE69129377D1 (de) | 1998-06-10 |
| AU666539B2 (en) | 1996-02-15 |
| CA2038009C (en) | 1996-12-24 |
| EP0703193B1 (en) | 1998-05-06 |
| FI100722B (fi) | 1998-02-13 |
| EP0703193A2 (en) | 1996-03-27 |
| KR910016628A (ko) | 1991-11-05 |
| CA2038009A1 (en) | 1991-09-14 |
| AU7283891A (en) | 1991-10-10 |
| EP0703315A3 (en) | 1996-06-26 |
| US5215734A (en) | 1993-06-01 |
| EP0703315B1 (en) | 1998-01-14 |
| EP0703193A3 (en) | 1996-06-05 |
| AU3870093A (en) | 1993-08-05 |
| ES2112602T3 (es) | 1998-04-01 |
| US5269818A (en) | 1993-12-14 |
| US5296002A (en) | 1994-03-22 |
| KR930001214B1 (ko) | 1993-02-22 |
| DE69122146D1 (de) | 1996-10-24 |
| DE69128730T2 (de) | 1998-07-16 |
| DE69122146T2 (de) | 1997-04-03 |
| DE69128730D1 (de) | 1998-02-19 |
| JP3417954B2 (ja) | 2003-06-16 |
| FI911211A0 (fi) | 1991-03-12 |
| JPH05319816A (ja) | 1993-12-03 |
| BR9100979A (pt) | 1991-11-05 |
| DE69129377T2 (de) | 1998-11-19 |
| EP0447094B1 (en) | 1996-09-18 |
| ES2117823T3 (es) | 1998-08-16 |
| FI911211L (fi) | 1991-09-14 |
| EP0447094A1 (en) | 1991-09-18 |
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