SK42796A3 - High-efficient tray assembly with downcomer of production column - Google Patents
High-efficient tray assembly with downcomer of production column Download PDFInfo
- Publication number
- SK42796A3 SK42796A3 SK427-96A SK42796A SK42796A3 SK 42796 A3 SK42796 A3 SK 42796A3 SK 42796 A SK42796 A SK 42796A SK 42796 A3 SK42796 A3 SK 42796A3
- Authority
- SK
- Slovakia
- Prior art keywords
- tray
- effective
- downcomer
- flow
- valves
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title description 17
- 230000001174 ascending effect Effects 0.000 claims abstract description 7
- 238000001311 chemical methods and process Methods 0.000 claims abstract 2
- 239000007791 liquid phase Substances 0.000 claims description 68
- 239000012808 vapor phase Substances 0.000 claims description 58
- 230000004888 barrier function Effects 0.000 claims description 7
- 230000008093 supporting effect Effects 0.000 claims description 7
- 238000012824 chemical production Methods 0.000 claims description 4
- 238000013022 venting Methods 0.000 claims 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 51
- 238000000034 method Methods 0.000 description 13
- 238000012856 packing Methods 0.000 description 10
- 238000005192 partition Methods 0.000 description 10
- 230000005587 bubbling Effects 0.000 description 7
- 230000001976 improved effect Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000004821 distillation Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005194 fractionation Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007792 gaseous phase Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 235000015250 liver sausages Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- XYSQXZCMOLNHOI-UHFFFAOYSA-N s-[2-[[4-(acetylsulfamoyl)phenyl]carbamoyl]phenyl] 5-pyridin-1-ium-1-ylpentanethioate;bromide Chemical compound [Br-].C1=CC(S(=O)(=O)NC(=O)C)=CC=C1NC(=O)C1=CC=CC=C1SC(=O)CCCC[N+]1=CC=CC=C1 XYSQXZCMOLNHOI-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
- B01D3/324—Tray constructions
- B01D3/326—Tray supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/16—Fractionating columns in which vapour bubbles through liquid
- B01D3/18—Fractionating columns in which vapour bubbles through liquid with horizontal bubble plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/16—Fractionating columns in which vapour bubbles through liquid
- B01D3/18—Fractionating columns in which vapour bubbles through liquid with horizontal bubble plates
- B01D3/20—Bubble caps; Risers for vapour; Discharge pipes for liquid
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/32—Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Separation Of Particles Using Liquids (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/414,792 US5547617A (en) | 1995-03-31 | 1995-03-31 | Apparatus for increasing effective active area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SK42796A3 true SK42796A3 (en) | 1996-10-02 |
Family
ID=23642985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SK427-96A SK42796A3 (en) | 1995-03-31 | 1996-03-29 | High-efficient tray assembly with downcomer of production column |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US5547617A (zh) |
| EP (1) | EP0734748A3 (zh) |
| JP (1) | JP2967401B2 (zh) |
| KR (1) | KR960033530A (zh) |
| CN (1) | CN1135933A (zh) |
| AR (1) | AR001493A1 (zh) |
| BR (1) | BR9601203A (zh) |
| CA (1) | CA2173081A1 (zh) |
| CZ (1) | CZ93696A3 (zh) |
| HU (1) | HUP9600826A2 (zh) |
| MX (1) | MX9601203A (zh) |
| SK (1) | SK42796A3 (zh) |
| TW (1) | TW306883B (zh) |
| ZA (1) | ZA962525B (zh) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19530291A1 (de) * | 1995-08-17 | 1997-02-20 | Basf Ag | Vorrichtung und Verfahren zum Stoffaustausch in Bodenkolonnen |
| US6003847A (en) * | 1996-10-30 | 1999-12-21 | Koch Enterprises, Inc. | Downcomer for chemical process tower |
| US5895608A (en) * | 1996-10-30 | 1999-04-20 | Koch Enterprises, Inc. | Downcomer for chemical process tower and method of forming the same |
| KR20000075884A (ko) * | 1997-03-03 | 2000-12-26 | 브래들리 이. 해덕 | 화학 처리탑의 강류관 |
| US5975504A (en) * | 1997-03-12 | 1999-11-02 | Uop Llc | Closely-spaced high capacity fractionation trays |
| US6299146B1 (en) * | 1997-04-03 | 2001-10-09 | China Petro-Chemical Corp. | Retangular suspending downcomer directing tray |
| US6131891A (en) * | 1998-03-30 | 2000-10-17 | Uop Llc | Fractionation column containing stacked fractionation trays |
| US6193222B1 (en) * | 1998-09-18 | 2001-02-27 | Zhongliang Fan | Gas-liquid contact tray and method |
| US6095504A (en) * | 1999-03-24 | 2000-08-01 | Uop Llc | Supports for stacked fractionation tray end pieces |
| US6250611B1 (en) | 1999-10-07 | 2001-06-26 | Sulzer Chemtech Usa, Inc. | Vapor-liquid contact apparatus |
| MXPA02007937A (es) * | 2000-02-16 | 2003-02-10 | Shell Int Research | Bandeja de contacto gas-liquido. |
| US6863267B2 (en) | 2000-02-16 | 2005-03-08 | Shell Oil Company | Gas-liquid contacting tray |
| CN1117595C (zh) * | 2000-06-30 | 2003-08-13 | 上海惠生化工工程有限公司 | 斜孔波纹板 |
| US6799752B2 (en) * | 2001-05-03 | 2004-10-05 | Amt International, Inc. | Method and apparatus for improving a fractionation process |
| DE10159823A1 (de) * | 2001-12-06 | 2003-06-18 | Basf Ag | Klammer zur lösbaren Verbindung eines Kolonnenbodens mit einem Auflagering in einer Kolonne |
| US6746003B2 (en) * | 2002-08-26 | 2004-06-08 | Amt International, Inc. | Gas-liquid contacting apparatus |
| US7055810B2 (en) * | 2003-04-22 | 2006-06-06 | Koch-Glitsch, Lp | Expansion ring for mass transfer column and method employing same |
| US7270316B2 (en) * | 2004-06-09 | 2007-09-18 | Joseph Michael Burch | Distillation column tray configuration |
| US7810796B2 (en) * | 2006-12-14 | 2010-10-12 | Uop Llc | Dead zone activation in vapor-liquid contacting apparatus |
| US8540218B2 (en) | 2007-04-27 | 2013-09-24 | Gtc Technology Us Llc | Fluid dispersion unit assembly and method |
| US8517354B1 (en) | 2008-03-20 | 2013-08-27 | Gtc Technology Us Llc | Fluid dispersion unit with directional component vector |
| US9463397B2 (en) | 2008-04-04 | 2016-10-11 | Gtc Technology Us Llc | System and method for liquid distribution |
| US8517352B1 (en) | 2008-04-04 | 2013-08-27 | Gtc Technology Us Llc | Liquid distributor |
| US8678357B2 (en) | 2010-05-17 | 2014-03-25 | Gtc Technology Us, Llc | Fluid contactor-diffuser tray assembly |
| US8480062B2 (en) | 2009-05-15 | 2013-07-09 | Gtc Technology Us, Llc | Activated hinge-joint |
| US9072986B2 (en) | 2011-02-23 | 2015-07-07 | Gtc Technology Us Llc | Method and apparatus for securing fractionation trays |
| US9597650B2 (en) | 2011-04-18 | 2017-03-21 | Gtc Technology Us Llc | System for improved reactant mixing and distribution |
| US20210299589A1 (en) * | 2014-08-11 | 2021-09-30 | Sulzer Management Ag | Method and system for orifice control of valve pressure drop |
| RU2562482C1 (ru) * | 2014-09-10 | 2015-09-10 | Игорь Анатольевич Мнушкин | Фракционирующий аппарат |
| RU2681025C2 (ru) | 2014-12-23 | 2019-03-01 | Зульцер Хемтех Аг | Компоновка отверстий для парожидкостной контактной тарелки |
| EP3106214B1 (en) * | 2015-06-18 | 2020-03-04 | General Electric Technology GmbH | Gas stripper system |
| CN107820443B (zh) | 2015-07-08 | 2021-05-04 | 科氏-格利奇有限合伙公司 | 用于传质塔的接触阀塔盘 |
| US9757663B2 (en) | 2015-10-30 | 2017-09-12 | Chevron U.S.A. Inc. | Curved liquid collector trays useful in pressure vessels |
| USD816188S1 (en) | 2016-06-07 | 2018-04-24 | Koch-Glitsch, Lp | Tray valve cover |
| USD816189S1 (en) | 2016-06-07 | 2018-04-24 | Koch-Glitsch, Lp | Tray valve |
| CN110064313B (zh) * | 2018-01-23 | 2021-08-31 | 中国石油化工股份有限公司 | 一种喷射态气液交换设备 |
| US11148069B2 (en) | 2019-12-09 | 2021-10-19 | Uop Llc | Multiple downcomer trays |
| US11554328B2 (en) * | 2020-03-06 | 2023-01-17 | Uop Llc | Bubble promoter |
| US11738284B2 (en) | 2021-04-16 | 2023-08-29 | Uop Llc | Distillation trays |
Family Cites Families (62)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2582826A (en) * | 1945-05-25 | 1952-01-15 | Glitsch Engineering Company | Tray for use in refining towers |
| US2582657A (en) * | 1948-04-21 | 1952-01-15 | Serner Herbert Edward | Bubble tower |
| US2611596A (en) * | 1948-07-23 | 1952-09-23 | Glitsch Engineering Company | Tray for use in refining towers |
| US2693949A (en) * | 1950-10-19 | 1954-11-09 | Koch Eng Co Inc | Apparatus for contacting gases and liquids |
| US2757915A (en) * | 1951-08-23 | 1956-08-07 | Koch Eng Co Inc | Gas-liquid contact apparatus |
| US2762692A (en) * | 1953-03-04 | 1956-09-11 | Exxon Research Engineering Co | Apparatus for solid-liquid contacting |
| US2787453A (en) * | 1953-11-30 | 1957-04-02 | Exxon Research Engineering Co | Fractionating tower utilizing directional upflow means in conjunction with slanted trays |
| US2836406A (en) * | 1955-03-28 | 1958-05-27 | Irvin E Nutter | Trusses for supporting sectional removable trays used in refining towers and the like |
| US2951691A (en) * | 1956-06-26 | 1960-09-06 | Irvin E Nutter | Valve mechanism for fluid and liquid contact apparatus |
| US3008553A (en) * | 1958-01-17 | 1961-11-14 | Fritz W Glitsch & Sons Inc | Vapor-liquid contact tray |
| US3013782A (en) * | 1958-09-08 | 1961-12-19 | Fritz W Glitsch & Sons Inc | Fluid contact apparatus |
| US3125614A (en) * | 1959-03-05 | 1964-03-17 | Figure | |
| US3080155A (en) * | 1960-01-18 | 1963-03-05 | Fritz W Glitsch & Sons Inc | Flow control means |
| NL271575A (zh) * | 1960-11-21 | |||
| NL275304A (zh) * | 1961-03-03 | |||
| US3282576A (en) * | 1962-09-06 | 1966-11-01 | Union Carbide Corp | Apparatus for improved liquidvapor contact |
| US3233708A (en) * | 1962-10-15 | 1966-02-08 | Fritz W Glitsch & Sons Inc | Vapor-liquid contact trays |
| US3343821A (en) * | 1964-02-05 | 1967-09-26 | Fritz W Glitsch & Sons Inc | Grids for vapor-liquid contact apparatus |
| US3410540A (en) * | 1964-11-09 | 1968-11-12 | Union Carbide Corp | Vapor-liquid contact system and method |
| BE674013A (zh) * | 1965-01-22 | |||
| GB1143772A (zh) * | 1965-03-15 | |||
| US3550916A (en) * | 1968-11-29 | 1970-12-29 | Germania Chemieanlagen Und App | High capacity mass transfer plate for columns |
| JPS4945219B1 (zh) * | 1970-12-09 | 1974-12-03 | ||
| BE794704A (nl) * | 1972-02-07 | 1973-07-30 | Shell Int Research | Schotel voor het met elkaar in aanraking brengen van vloeistof en damp |
| US3959419A (en) * | 1973-09-06 | 1976-05-25 | Fritz W. Glitsch & Sons, Inc. | Vapor-liquid contact method |
| US3969447A (en) * | 1973-10-18 | 1976-07-13 | Fritz W. Glitsch & Sons, Inc. | Grids for fluid contact apparatus |
| SU510247A1 (ru) * | 1974-03-20 | 1976-04-15 | Предприятие П/Я Р-6273 | Тепло-массообменна тарелка |
| US4133852A (en) * | 1976-09-13 | 1979-01-09 | Exxon Research & Engineering Co. | Hinged pressure relief tray |
| US4120919A (en) * | 1976-11-26 | 1978-10-17 | Glitsch, Inc. | Quick opening removable tray sections for fluid contact |
| US4123008A (en) * | 1977-02-04 | 1978-10-31 | Glitsch, Inc. | Reactor distribution duct |
| US4101610A (en) * | 1977-02-28 | 1978-07-18 | Union Carbide Corporation | Liquid-gas contacting tray |
| US4275021A (en) * | 1977-03-17 | 1981-06-23 | Union Carbide Corporation | Gas-liquid contacting tray with improved inlet bubbling means |
| US4499035A (en) * | 1977-03-17 | 1985-02-12 | Union Carbide Corporation | Gas-liquid contacting tray with improved inlet bubbling means |
| US4159291A (en) * | 1977-08-16 | 1979-06-26 | Union Carbide Corporation | Outlet means for vapor-liquid contacting tray |
| US4174363A (en) * | 1978-03-10 | 1979-11-13 | Union Carbide Corporation | Vapor-liquid contacting tray with vapor thrust means |
| JPS5527045A (en) * | 1978-08-15 | 1980-02-26 | Mitsubishi Heavy Ind Ltd | Plate structure in gas liquid contact equipment |
| US4374000A (en) * | 1981-02-02 | 1983-02-15 | Cosden Technology, Inc. | Method for controlling the formation of polymer accumulations during distillation of a vinylaromatic monomer |
| SU997706A1 (ru) * | 1981-08-07 | 1983-02-23 | Казахский Химико-Технологический Институт | Массообменна тарелка |
| CA1211364A (en) * | 1982-04-15 | 1986-09-16 | Jeremy B. Bentham | Apparatus for contacting a liquid with a gas |
| US4601788A (en) * | 1982-07-12 | 1986-07-22 | Shell Oil Company | Apparatus for fractionation reboiling |
| JPS5995903A (ja) * | 1982-11-24 | 1984-06-02 | Nippon Kayaku Co Ltd | バツフル・トレイ塔 |
| CA1197172A (en) * | 1982-11-24 | 1985-11-26 | Karl T. Chuang | Gas-liquid contacting apparatus |
| US4604247A (en) * | 1983-06-21 | 1986-08-05 | Glitsch, Inc. | Tower packing material and method |
| US4597916A (en) * | 1983-06-21 | 1986-07-01 | Glitsch, Inc. | Method of and apparatus for intermediate lamella vapor liquid contact |
| GB8406634D0 (en) * | 1984-03-14 | 1984-04-18 | Shell Int Research | Gas/liquid contacting apparatus |
| GB8413336D0 (en) * | 1984-05-24 | 1984-06-27 | Shell Int Research | Gas/liquid contacting apparatus |
| US4842778A (en) * | 1985-12-23 | 1989-06-27 | Glitsch, Inc. | Apparatus for flow distribution in packed towers |
| EP0267961A4 (de) * | 1986-05-29 | 1990-01-26 | Uk Nii Prirodnykh Gazov | Massenaustauschgerät. |
| WO1988001894A1 (en) * | 1986-09-16 | 1988-03-24 | Ukrainsky Nauchno-Issledovatelsky Institut Prirodn | Contact-separation element |
| WO1988002273A1 (en) * | 1986-09-23 | 1988-04-07 | Ukrainsky Nauchno-Issledovatelsky Institut Prirodn | Axial swirler of contact-separation element |
| US4729857A (en) * | 1987-04-27 | 1988-03-08 | Glitsch, Inc. | Liquid distributor for packed tower |
| US5047179A (en) * | 1988-08-19 | 1991-09-10 | Nye Trays, Inc. | Distillation tray |
| US5049319A (en) * | 1988-08-19 | 1991-09-17 | Nye Trays, Inc. | Distillation tray |
| US4909967A (en) * | 1988-11-03 | 1990-03-20 | Glitsch, Inc. | Liquid distributor assembly for packed tower |
| US5164125A (en) * | 1989-03-08 | 1992-11-17 | Glitsch, Inc. | Method and apparatus for downcomer-tray operation |
| US4956127A (en) * | 1989-03-08 | 1990-09-11 | Glitsch, Inc. | Downcomer-tray assembly and method |
| US5098615A (en) * | 1990-10-19 | 1992-03-24 | Uop | Multiple-downcomer contacting tray with fluid directing baffles |
| US5192466A (en) * | 1991-10-09 | 1993-03-09 | Glitsch, Inc. | Method of and apparatus for flow promotion |
| US5244604A (en) * | 1992-04-02 | 1993-09-14 | Uop | Packing-enhanced baffled downcomer fractionation tray |
| US5223183A (en) * | 1992-04-02 | 1993-06-29 | Uop | Baffled downcomer fractionation tray |
| US5318732A (en) * | 1992-12-29 | 1994-06-07 | Uop | Capacity-enhanced multiple downcomer fractionation trays |
| US5454989A (en) * | 1994-03-23 | 1995-10-03 | Nutter; Dale E. | Vapor-liquid contact apparatus |
-
1995
- 1995-03-31 US US08/414,792 patent/US5547617A/en not_active Expired - Fee Related
-
1996
- 1996-03-29 HU HU9600826A patent/HUP9600826A2/hu unknown
- 1996-03-29 CA CA002173081A patent/CA2173081A1/en not_active Abandoned
- 1996-03-29 CZ CZ96936A patent/CZ93696A3/cs unknown
- 1996-03-29 SK SK427-96A patent/SK42796A3/sk unknown
- 1996-03-29 EP EP96302274A patent/EP0734748A3/en not_active Withdrawn
- 1996-03-29 ZA ZA962525A patent/ZA962525B/xx unknown
- 1996-03-29 JP JP8111794A patent/JP2967401B2/ja not_active Expired - Lifetime
- 1996-03-29 MX MX9601203A patent/MX9601203A/es not_active Application Discontinuation
- 1996-03-29 BR BR9601203A patent/BR9601203A/pt not_active Application Discontinuation
- 1996-04-01 KR KR1019960010308A patent/KR960033530A/ko not_active Application Discontinuation
- 1996-04-01 CN CN96102841A patent/CN1135933A/zh active Pending
- 1996-04-01 AR AR33600696A patent/AR001493A1/es unknown
- 1996-05-17 TW TW085105872A patent/TW306883B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| HUP9600826A2 (hu) | 1999-06-28 |
| JP2967401B2 (ja) | 1999-10-25 |
| US5547617A (en) | 1996-08-20 |
| KR960033530A (ko) | 1996-10-22 |
| MX9601203A (es) | 1997-03-29 |
| EP0734748A3 (en) | 1997-03-19 |
| CN1135933A (zh) | 1996-11-20 |
| BR9601203A (pt) | 1998-01-06 |
| CZ93696A3 (en) | 1996-12-11 |
| CA2173081A1 (en) | 1996-10-01 |
| TW306883B (zh) | 1997-06-01 |
| AR001493A1 (es) | 1997-10-22 |
| EP0734748A2 (en) | 1996-10-02 |
| HU9600826D0 (en) | 1996-05-28 |
| JPH08332373A (ja) | 1996-12-17 |
| ZA962525B (en) | 1997-01-03 |
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