SK10693A3 - Process for purifying an oxidation waste gas with recovery of energy - Google Patents
Process for purifying an oxidation waste gas with recovery of energy Download PDFInfo
- Publication number
- SK10693A3 SK10693A3 SK10693A SK10693A SK10693A3 SK 10693 A3 SK10693 A3 SK 10693A3 SK 10693 A SK10693 A SK 10693A SK 10693 A SK10693 A SK 10693A SK 10693 A3 SK10693 A3 SK 10693A3
- Authority
- SK
- Slovakia
- Prior art keywords
- gas
- waste gas
- waste
- pressure
- materials
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000011084 recovery Methods 0.000 title claims abstract description 7
- 239000002912 waste gas Substances 0.000 title claims description 46
- 230000003647 oxidation Effects 0.000 title claims description 16
- 238000007254 oxidation reaction Methods 0.000 title claims description 16
- 239000007789 gas Substances 0.000 claims abstract description 48
- 238000010521 absorption reaction Methods 0.000 claims abstract description 29
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 238000000746 purification Methods 0.000 claims abstract description 13
- 238000002485 combustion reaction Methods 0.000 claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 12
- 239000001301 oxygen Substances 0.000 claims abstract description 12
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 3
- 125000003118 aryl group Chemical group 0.000 claims abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000000126 substance Substances 0.000 claims description 40
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000009835 boiling Methods 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 11
- 150000002148 esters Chemical class 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 claims description 5
- QPJVMBTYPHYUOC-UHFFFAOYSA-N methyl benzoate Chemical compound COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 claims description 4
- 239000010815 organic waste Substances 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 150000004702 methyl esters Chemical class 0.000 claims description 2
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 claims 3
- 239000012535 impurity Substances 0.000 abstract description 4
- 230000001590 oxidative effect Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- QSSJZLPUHJDYKF-UHFFFAOYSA-N methyl 4-methylbenzoate Chemical compound COC(=O)C1=CC=C(C)C=C1 QSSJZLPUHJDYKF-UHFFFAOYSA-N 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 60
- 239000000463 material Substances 0.000 description 47
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 27
- 239000000047 product Substances 0.000 description 20
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 19
- 239000002253 acid Substances 0.000 description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 11
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- 238000005201 scrubbing Methods 0.000 description 9
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 8
- REIDAMBAPLIATC-UHFFFAOYSA-M 4-methoxycarbonylbenzoate Chemical compound COC(=O)C1=CC=C(C([O-])=O)C=C1 REIDAMBAPLIATC-UHFFFAOYSA-M 0.000 description 7
- 239000000446 fuel Substances 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 235000019253 formic acid Nutrition 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000008096 xylene Substances 0.000 description 5
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 4
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 150000003738 xylenes Chemical class 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 229940095102 methyl benzoate Drugs 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- -1 terephthaldehyde methyl ester Chemical class 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241001669679 Eleotris Species 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- WMUXBALLAUAXHP-UHFFFAOYSA-N acetic acid methyl acetate methyl formate Chemical compound C(C)(=O)OC.COC=O.C(C)(=O)O WMUXBALLAUAXHP-UHFFFAOYSA-N 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- NIQCNGHVCWTJSM-UHFFFAOYSA-N dimethyl benzenedicarboxylate Natural products COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002697 manganese compounds Chemical class 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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
- B01D53/72—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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
- F02C3/22—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being gaseous at standard temperature and pressure
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4026732A DE4026732A1 (de) | 1990-08-24 | 1990-08-24 | Verfahren zur reinigung eines oxidationsabgases mit energierueckgewinnung |
| PCT/EP1991/001578 WO1992003214A1 (de) | 1990-08-24 | 1991-08-20 | Verfahren zur reinigung eines oxidationsabgases mit energierückgewinnung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SK10693A3 true SK10693A3 (en) | 1993-07-07 |
Family
ID=6412797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SK10693A SK10693A3 (en) | 1990-08-24 | 1991-08-20 | Process for purifying an oxidation waste gas with recovery of energy |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US5614159A (ko) |
| EP (1) | EP0544726B1 (ko) |
| JP (1) | JPH06500377A (ko) |
| KR (1) | KR0161299B1 (ko) |
| CA (1) | CA2090113A1 (ko) |
| CZ (1) | CZ20693A3 (ko) |
| DE (2) | DE4026732A1 (ko) |
| ES (1) | ES2082986T3 (ko) |
| MX (1) | MX9100750A (ko) |
| PL (1) | PL169089B1 (ko) |
| RO (1) | RO111998B1 (ko) |
| SK (1) | SK10693A3 (ko) |
| TR (1) | TR25503A (ko) |
| WO (1) | WO1992003214A1 (ko) |
| ZA (1) | ZA916700B (ko) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4026733A1 (de) * | 1990-08-24 | 1992-02-27 | Huels Chemische Werke Ag | Verfahren zur reinigung eines oxidationsabgases |
| US5961942A (en) * | 1995-06-05 | 1999-10-05 | E. I. Du Pont De Nemours And Company | Effluent gas treatment |
| US6372021B1 (en) | 2000-09-12 | 2002-04-16 | General Electric Company | Extractive removal of methanol from cumene-to-phenol process vent gas |
| SE530611C2 (sv) * | 2006-03-24 | 2008-07-15 | Perstorp Specialty Chem Ab | Återvinning av exoterm energi vid framställning av formaldehyd |
| DE102007024312B4 (de) * | 2007-05-24 | 2009-04-30 | Lurgi Gmbh | Verfahren und Vorrichtung zum Herstellen von Reduktionsgas und/oder Brenngas für die Direktreduktion von Eisenerz |
| GB0808200D0 (en) * | 2008-05-06 | 2008-06-11 | Invista Technologies Srl | Power recovery |
| US9493388B2 (en) * | 2008-10-31 | 2016-11-15 | Grupo Petrotemex, S.A. De C.V. | Dicarboxylic acid production with direct fired off-gas heating |
| US9493389B2 (en) * | 2008-10-31 | 2016-11-15 | Grupo Petrotemex, S.A. De C.V. | Dicarboxylic acid production with enhanced energy recovery |
| US9493387B2 (en) * | 2008-10-31 | 2016-11-15 | Grupo Petrotemex, S.A. De C.V. | Dicarboxylic acid production with minimal wastewater generation |
| US20100113735A1 (en) | 2008-10-31 | 2010-05-06 | Eastman Chemical Company | Integrated Co-Production of Dicarboxylic Acids |
| US9505692B2 (en) * | 2008-10-31 | 2016-11-29 | Grupo Petrotemex, S.A. De C.V. | Dicarboxylic acid production with self-fuel oxidative destruction |
| CN101979129B (zh) | 2010-10-20 | 2012-10-17 | 南京大学 | 一种苯同系物空气氧化过程尾气的绿色治理工艺 |
| US10099972B2 (en) * | 2013-12-06 | 2018-10-16 | Exxonmobil Upstream Research Company | Methods and systems for producing liquid hydrocarbons |
| CN116398895B (zh) * | 2023-04-26 | 2023-11-17 | 广东众大智能科技有限公司 | 一种焚烧尾气装置 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1668666C3 (de) * | 1967-02-17 | 1975-07-10 | Snam Progetti S.P.A., Mailand (Italien) | Verfahren zur Ausnutzung der Energie der aus einem Xthylenoxidsynthesereaktor kommenden Abgase |
| JPS5095176A (ko) * | 1973-12-26 | 1975-07-29 | ||
| DE2524861A1 (de) * | 1975-06-04 | 1976-12-16 | Linde Ag | Verfahren zur beseitigung von geruchsintensiven oder giftigen stoffen |
| JPS5237585A (en) * | 1975-09-19 | 1977-03-23 | Showa Shell Sekiyu Kk | Method of purifying gas containing volatile organic compounds |
| CA1088561A (en) * | 1976-12-30 | 1980-10-28 | Hiroshi Hashizume | Process for producing terephthalic acid |
| JPS6059891B2 (ja) * | 1977-09-28 | 1985-12-27 | 住友化学工業株式会社 | メタクロレインおよびメタクリル酸の分離方法 |
| DE2759208A1 (de) * | 1977-12-31 | 1979-07-12 | Ludwig Dipl Chem Dr Duttka | Ausnuetzung von loesungsmitteldaempfen in der abluft zum betrieb von verbrennungsaggregaten |
| JPS54148178A (en) * | 1978-05-12 | 1979-11-20 | Ishikawajima Harima Heavy Ind Co Ltd | Power recovery from oxydation reaction process waste gas |
| US4172209A (en) * | 1978-08-23 | 1979-10-23 | Uop Inc. | Process for producing dicarboxylic acids by the oxidation of xylene |
| IN151108B (ko) * | 1978-09-13 | 1983-02-19 | Standard Oil Co | |
| DE3015220A1 (de) * | 1980-04-19 | 1981-10-22 | Anton Steinecker Maschinenfabrik Gmbh, 8050 Freising | Verfahren zur beseitigung geruchsaktiver substanzen aus der abluft |
| DE3045332C2 (de) * | 1980-12-02 | 1982-11-25 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Gewinnung und Wiederverwendung von Schwermetalloxidationskatalysator aus Rückständen im Witten-DMT-Prozeß |
| CA1198599A (en) * | 1981-04-27 | 1985-12-31 | Robert D. Denton | Method and apparatus for using residue gas in gas turbines |
| DE3407912C1 (de) * | 1984-03-03 | 1985-05-09 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Terephthalsaeure ueber Terephthalsaeuredimethylester aus p-Xylol und Methanol |
| DE3407925C1 (de) * | 1984-03-03 | 1985-09-05 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Terephthalsaeuredimethylester aus p-Xylol und Methanol |
| DE3503500A1 (de) * | 1985-02-02 | 1986-08-07 | Merck Patent Gmbh, 6100 Darmstadt | Verfahren zur abluftreinigung |
| DE3533595A1 (de) * | 1985-09-20 | 1987-04-02 | Nitsche Manfred | Verfahren zum abscheiden von wasserdampf, loesungsmitteln und/oder schadstoffen aus einem gasstrom und vorrichtung zur durchfuehrung des verfahrens |
| ATE70732T1 (de) * | 1985-10-15 | 1992-01-15 | Frey Gerhard | Verfahren zur rueckgewinnung von kohlenwasserstoffen. |
| DE3614450A1 (de) * | 1986-04-29 | 1987-11-05 | Schumacher Apparatebau | Verfahren und vorrichtung zur abscheidung und rueckfuehrung von fluechtigen loesemitteln aus reinigungsanlagen |
| DE3731882C1 (en) * | 1987-09-23 | 1989-04-20 | Kleinewefers Energie Umwelt | Process and plant for exhaust air purification |
| CA1330337C (en) * | 1987-11-20 | 1994-06-21 | Arthur James Ehrler | Solvent composition and process employing same |
-
1990
- 1990-08-24 DE DE4026732A patent/DE4026732A1/de not_active Withdrawn
-
1991
- 1991-08-20 JP JP3513558A patent/JPH06500377A/ja active Pending
- 1991-08-20 PL PL91297966A patent/PL169089B1/pl unknown
- 1991-08-20 EP EP91914734A patent/EP0544726B1/de not_active Expired - Lifetime
- 1991-08-20 DE DE59107363T patent/DE59107363D1/de not_active Expired - Fee Related
- 1991-08-20 RO RO93-00217A patent/RO111998B1/ro unknown
- 1991-08-20 SK SK10693A patent/SK10693A3/sk unknown
- 1991-08-20 CA CA002090113A patent/CA2090113A1/en not_active Abandoned
- 1991-08-20 WO PCT/EP1991/001578 patent/WO1992003214A1/de active IP Right Grant
- 1991-08-20 ES ES91914734T patent/ES2082986T3/es not_active Expired - Lifetime
- 1991-08-20 KR KR1019930700535A patent/KR0161299B1/ko not_active IP Right Cessation
- 1991-08-20 CZ CS93206A patent/CZ20693A3/cs unknown
- 1991-08-20 MX MX919100750A patent/MX9100750A/es unknown
- 1991-08-21 TR TR91/0818A patent/TR25503A/xx unknown
- 1991-08-23 ZA ZA916700A patent/ZA916700B/xx unknown
-
1995
- 1995-04-10 US US08/419,517 patent/US5614159A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TR25503A (tr) | 1993-05-01 |
| RO111998B1 (ro) | 1997-04-30 |
| ZA916700B (en) | 1992-05-27 |
| ES2082986T3 (es) | 1996-04-01 |
| EP0544726B1 (de) | 1996-01-31 |
| WO1992003214A1 (de) | 1992-03-05 |
| DE4026732A1 (de) | 1992-02-27 |
| CA2090113A1 (en) | 1992-02-25 |
| PL169089B1 (pl) | 1996-05-31 |
| DE59107363D1 (de) | 1996-03-14 |
| KR0161299B1 (ko) | 1998-11-16 |
| EP0544726A1 (de) | 1993-06-09 |
| JPH06500377A (ja) | 1994-01-13 |
| MX9100750A (es) | 1992-04-01 |
| CZ20693A3 (en) | 1994-01-19 |
| US5614159A (en) | 1997-03-25 |
| KR930701221A (ko) | 1993-06-11 |
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