CS327091A3 - Extremely reactive agents and compositions for purification of relief gases and waste water and process for preparing thereof and their use - Google Patents
Extremely reactive agents and compositions for purification of relief gases and waste water and process for preparing thereof and their useInfo
- Publication number
- CS327091A3 CS327091A3 CS913270A CS327091A CS327091A3 CS 327091 A3 CS327091 A3 CS 327091A3 CS 913270 A CS913270 A CS 913270A CS 327091 A CS327091 A CS 327091A CS 327091 A3 CS327091 A3 CS 327091A3
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- compositions
- purification
- preparing
- waste water
- gases
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/02—Lime
- C04B2/04—Slaking
- C04B2/06—Slaking with addition of substances, e.g. hydrophobic agents ; Slaking in the presence of other compounds
-
- 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
- B01D53/64—Heavy metals or compounds thereof, e.g. mercury
-
- 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
- B01D53/68—Halogens or halogen compounds
-
- 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
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
-
- 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
- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
- B01J20/041—Oxides or hydroxides
-
- 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
- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
- B01J20/045—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium containing sulfur, e.g. sulfates, thiosulfates, gypsum
-
- 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
- B01J20/12—Naturally occurring clays or bleaching 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
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- 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
- B01J20/28054—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 surface properties or porosity
- B01J20/28057—Surface area, e.g. B.E.T specific surface area
-
- 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)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Water Treatment By Sorption (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4034417A DE4034417C2 (de) | 1990-10-29 | 1990-10-29 | Hochreaktive Reagentien und Zusammensetzungen für die Abgas- und Abwasserreinigung, ihre Herstellung und ihre Verwendung |
Publications (1)
Publication Number | Publication Date |
---|---|
CS327091A3 true CS327091A3 (en) | 1992-05-13 |
Family
ID=6417277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS913270A CS327091A3 (en) | 1990-10-29 | 1991-10-29 | Extremely reactive agents and compositions for purification of relief gases and waste water and process for preparing thereof and their use |
Country Status (6)
Country | Link |
---|---|
US (1) | US5502021A (cs) |
EP (1) | EP0487913B1 (cs) |
AT (1) | ATE136812T1 (cs) |
CS (1) | CS327091A3 (cs) |
DE (1) | DE4034417C2 (cs) |
PL (1) | PL292199A1 (cs) |
Families Citing this family (61)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4221239C1 (cs) * | 1992-06-27 | 1993-07-22 | Man Gutehoffnungshuette Ag, 4200 Oberhausen, De | |
DE4225886B4 (de) * | 1992-08-05 | 2006-06-29 | Walhalla Kalk Gmbh & Co. Kg | Zusatzstoffe und Verfahren zur Entwässerung und/oder Verfestigung von Schlämmen |
DE4303450C2 (de) * | 1993-02-05 | 1997-07-03 | Rheinische Kalksteinwerke | Mittel zur trockenen Reinigung von Abgasen |
DE4420839A1 (de) * | 1994-06-15 | 1995-12-21 | Steag Ag | Verfahren und Vorrichtung zum Abscheiden von dampfförmigen Alkali- und Schwermetallverbindungen aus heißen Verbrennungsgasen |
DE4441173A1 (de) * | 1994-11-18 | 1996-05-23 | Bayer Ag | Verfahren zur Reinigung von Rauchgasen |
DE19510122C1 (de) * | 1995-03-21 | 1996-08-22 | Rheinische Kalksteinwerke | Verfahren zur Herstellung von Kalkmilch |
DE19609966A1 (de) * | 1996-03-14 | 1997-09-25 | Intensiv Filter Gmbh | Verfahren zur Reinigung SO¶2¶-haltiger Abgase |
US6180023B1 (en) * | 1998-12-12 | 2001-01-30 | Sultan I. Amer | Composition and process for remediation of waste streams |
DE19901049B4 (de) | 1999-01-14 | 2011-03-10 | Ftu Gmbh Forschung Und Technische Entwicklung Im Umweltschutz | Mittel zur Reinigung von Gasen und Abgasen und ihre Verwendung |
US6524371B2 (en) * | 1999-09-29 | 2003-02-25 | Merck & Co., Inc. | Process for adsorption of mercury from gaseous streams |
US6638347B2 (en) * | 1999-09-29 | 2003-10-28 | Merck & Co., Inc. | Carbon-based adsorption powder containing cupric chloride |
WO2001023072A1 (en) * | 1999-09-29 | 2001-04-05 | Merck & Co., Inc. | Adsorption powder for removing mercury from high temperature, high moisture gas streams |
US6589318B2 (en) * | 1999-09-29 | 2003-07-08 | Merck & Co., Inc. | Adsorption powder for removing mercury from high temperature, high moisture gas streams |
US6533842B1 (en) * | 2000-02-24 | 2003-03-18 | Merck & Co., Inc. | Adsorption powder for removing mercury from high temperature, high moisture gas streams |
US6582497B1 (en) * | 2000-06-09 | 2003-06-24 | Merck & Co., Inc. | Adsorption power for removing mercury from high temperature high moisture gas streams |
CN1466548B (zh) * | 2000-09-26 | 2013-01-02 | 朗盛德国有限责任公司 | 接触剂和吸附剂颗粒 |
AU2002218168A1 (en) * | 2000-09-26 | 2002-04-08 | Bayer Aktiengesellschaft | Contact and adsorber granulates |
US20020074292A1 (en) * | 2000-09-26 | 2002-06-20 | Andreas Schlegel | Adsorption vessels |
KR100788119B1 (ko) * | 2000-09-26 | 2007-12-21 | 란세스 도이치란트 게엠베하 | 과립상 접촉제 및 흡착제 |
US20040035068A1 (en) * | 2002-01-02 | 2004-02-26 | Maimon Eliyahu | Modular wall segments and method of making such segments |
US7524794B2 (en) * | 2003-12-01 | 2009-04-28 | The United States Of America As Represented By The Secretary Of The Army | Method for surface treating perlite sorbents for improved adsorbing of vapor phase metals and metal compounds at elevated temperatures |
BE1015841A3 (fr) † | 2003-12-24 | 2005-10-04 | Lhoist Rech & Dev Sa | Composition pulverulente a base d'un compose calco-magnesien. |
DE102004012259A1 (de) * | 2004-03-12 | 2005-09-29 | Süd-Chemie AG | Verfahren zur Verringerung des Dioxingehaltes einer Bleicherde |
BE1015949A3 (fr) | 2004-03-15 | 2005-12-06 | Lhoist Rech & Dev Sa | Procede d'abattement de mercure et de metaux lourds des gaz de fumees. |
AU2012202115B2 (en) * | 2005-03-17 | 2014-01-23 | Douglas C. Comrie | Reducing mercury emissions from the burning of coal |
RU2494793C2 (ru) | 2005-03-17 | 2013-10-10 | НОКС II ИНТЕНЭШНЛ, эЛТиДи. | Способ сжигания ртутьсодержащего топлива (варианты), способ снижения количества выброса ртути, способ сжигания угля с уменьшенным уровнем выброса вредных элементов в окружающую среду, способ уменьшения содержания ртути в дымовых газах |
CA2601325C (en) | 2005-03-17 | 2014-06-17 | Douglas C. Comrie | Reducing mercury emissions from the burning of coal |
US7326400B2 (en) * | 2005-08-11 | 2008-02-05 | Chemical Lime Company | Treatment of high sulfate containing quicklime |
WO2007081561A2 (en) * | 2006-01-03 | 2007-07-19 | University Of Wyoming | Apparatus and method for sequestering flue gas co2 |
US8673257B2 (en) * | 2006-01-03 | 2014-03-18 | University Of Wyoming | Apparatus and method to sequester contaminants |
US8506918B2 (en) * | 2006-01-03 | 2013-08-13 | University Of Wyoming | Apparatus and method to sequester contaminants |
JP5192652B2 (ja) * | 2006-03-31 | 2013-05-08 | 日本インスツルメンツ株式会社 | 水銀還元用触媒、水銀変換ユニットおよびこれを用いた排気ガス中の全水銀測定装置 |
US20080207443A1 (en) * | 2007-02-28 | 2008-08-28 | Kishor Purushottam Gadkaree | Sorbent comprising activated carbon, process for making same and use thereof |
BR122018070775B1 (pt) * | 2007-11-15 | 2020-04-28 | Univ Rutgers | composição, e material estrutural, elétrico, químico, ou uma combinação dos mesmos |
WO2009065031A1 (en) * | 2007-11-15 | 2009-05-22 | Rutgers, The State University Of New Jersey | Systems and methods for capture and sequestration of gases and compositions derived therefrom |
US20110158873A1 (en) * | 2010-01-22 | 2011-06-30 | Rutgers, The State University Of New Jersey | Sequestration of a gas emitted by an industrial plant |
US8951487B2 (en) | 2010-10-25 | 2015-02-10 | ADA-ES, Inc. | Hot-side method and system |
US11298657B2 (en) | 2010-10-25 | 2022-04-12 | ADA-ES, Inc. | Hot-side method and system |
US8496894B2 (en) | 2010-02-04 | 2013-07-30 | ADA-ES, Inc. | Method and system for controlling mercury emissions from coal-fired thermal processes |
UA113844C2 (xx) | 2011-03-05 | 2017-03-27 | Зв'язуючий елемент, зв'язуюча матриця і композитний матеріал, що має зв'язуючий елемент, та спосіб його виготовлення | |
US8845986B2 (en) | 2011-05-13 | 2014-09-30 | ADA-ES, Inc. | Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers |
KR101905120B1 (ko) | 2011-06-09 | 2018-10-08 | 러트거즈,더스테이트유니버시티오브뉴저지 | 합성 배합물 및 그의 제조 및 사용 방법 |
DE102011112657B4 (de) * | 2011-09-06 | 2015-02-12 | Fels-Werke Gmbh | Gasabsorptionsgranulat sowie seine Verwendung |
US8883099B2 (en) | 2012-04-11 | 2014-11-11 | ADA-ES, Inc. | Control of wet scrubber oxidation inhibitor and byproduct recovery |
US9957454B2 (en) | 2012-08-10 | 2018-05-01 | ADA-ES, Inc. | Method and additive for controlling nitrogen oxide emissions |
BE1021563B1 (fr) * | 2013-02-19 | 2015-12-14 | S.A. Lhoist Recherche Et Developpement | Procede d'extinction en voie seche d'oxydes de calcium et magnesium provenant de composes calco-magnesiens |
BE1021550B1 (fr) * | 2013-02-19 | 2015-12-11 | S.A. Lhoist Recherche Et Developpement | Procede d'extinction en voie humide d'oxydes de calcium et magnesium provenant de composes calco-magnesiens |
US10549256B1 (en) | 2013-03-04 | 2020-02-04 | Mississippi Lime Company | Hydrated Lime product |
CN105307751A (zh) * | 2013-03-13 | 2016-02-03 | 诺文达集团公司 | 用于去除汞的多组分组合物 |
DE102013005497B4 (de) * | 2013-03-28 | 2017-05-04 | Fels-Werke Gmbh | Granulat zur Absorption von Schadgasen und Verfahren zu dessen Herstellung |
US20160075567A1 (en) * | 2013-05-02 | 2016-03-17 | William Marsh Rice University | Manufacture of oxidatively modified carbon (omc) and its use for capture of radionuclides and metals from water |
US9889451B2 (en) | 2013-08-16 | 2018-02-13 | ADA-ES, Inc. | Method to reduce mercury, acid gas, and particulate emissions |
MY190070A (en) | 2016-06-24 | 2022-03-24 | Lhoist Rech Et Developpement Sa | Method for producing a highly porous fine powdered slaked lime composition, and product obtained therefrom |
WO2017220167A1 (en) | 2016-06-24 | 2017-12-28 | S.A. Lhoist Recherche Et Developpement | Process for manufacturing fine and highly porous powdery slaked lime composition and product thereby obtained |
MY190651A (en) | 2016-06-24 | 2022-04-30 | Lhoist Rech Et Developpement Sa | Highly porous powdered slaked lime composition |
WO2017220161A1 (en) | 2016-06-24 | 2017-12-28 | S.A. Lhoist Recherche Et Developpement | Highly porous powdery slaked lime composition |
WO2018184702A1 (en) * | 2017-04-07 | 2018-10-11 | S.A. Lhoist Recherche Et Developpement | Process for flue gas treatment and products for use in said process |
US10822442B2 (en) | 2017-07-17 | 2020-11-03 | Ecolab Usa Inc. | Rheology-modifying agents for slurries |
CN110156013B (zh) * | 2019-05-13 | 2020-11-20 | 北京化工大学 | 一种活性炭表面造孔方法 |
BE1028933B1 (nl) * | 2020-12-22 | 2022-07-19 | Indaver Nv | Werkwijze en inrichting voor reiniging van rookgas afkomstig van de verbranding van vast brandbaar materiaal en verkregen gereinigd rookgas |
CN113800787A (zh) * | 2021-09-30 | 2021-12-17 | 清华大学 | 一种高活性氢氧化钙的制备方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2722423A1 (de) * | 1977-05-18 | 1978-11-30 | Fritz Dipl Kfm Henning | Verfahren zur chemischen entgiftung der abgase von verbrennungsmotoren und stationaeren heizanlagen |
AT360965B (de) * | 1978-07-13 | 1981-02-10 | Grillo Werke Ag | Feste absorptionsmasse fuer die trockene enthalogenierung von abgasen, verfahren zu ihrer herstellung und ihre verwendung |
US4226839A (en) * | 1978-07-21 | 1980-10-07 | The United States Of America As Represented By The Administrator Of The U.S. Environmental Protection Agency | Activation of calcium oxide as a sorbent |
US4623523A (en) * | 1979-01-02 | 1986-11-18 | Bechtel International Corporation | Method for reduction of SO2 emission for fossil fired boiler |
JPS5815030A (ja) * | 1981-07-14 | 1983-01-28 | Kyowa Chem Ind Co Ltd | 消石灰 |
US4387078A (en) * | 1981-07-22 | 1983-06-07 | Lin Ping Wha | Process for effecting removal of sulfur oxide gases from stack gases |
US4427197A (en) * | 1981-11-16 | 1984-01-24 | Doose Paul R | Construction for three dimensional logical toy |
JPS58185458A (ja) * | 1982-04-20 | 1983-10-29 | 大阪セメント株式会社 | 生石灰の消化促進方法 |
US4552683A (en) * | 1982-09-29 | 1985-11-12 | United States Gypsum Company | Gas desulfurization reactant |
JPS6096525A (ja) * | 1983-07-07 | 1985-05-30 | Nichiro Gyogyo Kk | ガス吸着剤の製造方法 |
US4721582A (en) * | 1986-03-11 | 1988-01-26 | Sanitech, Inc. | Toxic gas absorbent and processes for making same |
DE3735245A1 (de) * | 1987-04-23 | 1989-05-03 | Hoelter Heinz | Trockene gasreinigung von sauren schadstoffen wie so(pfeil abwaerts)3(pfeil abwaerts), so(pfeil abwaerts)2(pfeil abwaerts), hf, hcl und no(pfeil abwaerts)x(pfeil abwaerts) durch mit alkalien getraenkte kalk-aluminium-zementsilikate als sorptionsmittel |
DE3716566A1 (de) * | 1987-05-18 | 1988-12-01 | Fichtel Roland | Verfahren zur herstellung reaktionsfaehiger calciumhydroxide fuer die abgasreinigung |
DE3717848A1 (de) * | 1987-05-27 | 1988-12-08 | Rwk Rhein Westfael Kalkwerke | Anorganisches material und verfahren zu seiner herstellung |
WO1989011329A1 (en) * | 1988-05-16 | 1989-11-30 | Roland Fichtel | Agent and process for cleaning gases and exhaust gases and process for producing said agent |
DE3826971A1 (de) * | 1988-08-09 | 1990-02-15 | Ftu Gmbh | Verfahren zur herstellung modifizierter calciumhydroxide fuer die gas- und abgasreinigung unter verwendung von wirkstoffkonzentraten |
DE3844217C2 (de) * | 1988-12-29 | 1997-03-27 | Ftu Gmbh | Verfahren zur Herstellung von Calciumhydroxiden und deren Verwendung |
US5173279A (en) * | 1990-11-21 | 1992-12-22 | Lhoist Recherche Et Developpement S.A. | Method and composition for treating flue or exhaust gases utilizing modified calcium hydroxide |
-
1990
- 1990-10-29 DE DE4034417A patent/DE4034417C2/de not_active Expired - Lifetime
-
1991
- 1991-10-28 PL PL29219991A patent/PL292199A1/xx unknown
- 1991-10-29 EP EP91118420A patent/EP0487913B1/de not_active Expired - Lifetime
- 1991-10-29 CS CS913270A patent/CS327091A3/cs unknown
- 1991-10-29 AT AT91118420T patent/ATE136812T1/de not_active IP Right Cessation
-
1995
- 1995-06-07 US US08/480,029 patent/US5502021A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5502021A (en) | 1996-03-26 |
ATE136812T1 (de) | 1996-05-15 |
DE4034417A1 (de) | 1992-04-30 |
EP0487913B1 (de) | 1996-04-17 |
DE4034417C2 (de) | 2002-02-07 |
EP0487913A1 (de) | 1992-06-03 |
PL292199A1 (en) | 1993-03-08 |
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