CA2350490C - Method of producing alkane sulfonic acid - Google Patents
Method of producing alkane sulfonic acid Download PDFInfo
- Publication number
- CA2350490C CA2350490C CA002350490A CA2350490A CA2350490C CA 2350490 C CA2350490 C CA 2350490C CA 002350490 A CA002350490 A CA 002350490A CA 2350490 A CA2350490 A CA 2350490A CA 2350490 C CA2350490 C CA 2350490C
- Authority
- CA
- Canada
- Prior art keywords
- nitric acid
- dialkyl
- oxidation
- reaction
- acid
- 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
- 238000000034 method Methods 0.000 title claims abstract description 40
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 title description 4
- 150000001335 aliphatic alkanes Chemical class 0.000 title description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 67
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 67
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 40
- 230000003647 oxidation Effects 0.000 claims abstract description 37
- 239000002253 acid Substances 0.000 claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 150000002019 disulfides Chemical class 0.000 claims abstract description 26
- 230000008929 regeneration Effects 0.000 claims abstract description 19
- 238000011069 regeneration method Methods 0.000 claims abstract description 19
- 150000007513 acids Chemical class 0.000 claims abstract description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000001301 oxygen Substances 0.000 claims abstract description 16
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 16
- 229920001021 polysulfide Polymers 0.000 claims abstract description 15
- 239000005077 polysulfide Substances 0.000 claims abstract description 15
- 150000008117 polysulfides Polymers 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910001868 water Inorganic materials 0.000 claims abstract description 15
- 239000006227 byproduct Substances 0.000 claims abstract description 5
- 125000004434 sulfur atom Chemical group 0.000 claims abstract description 5
- 238000004064 recycling Methods 0.000 claims abstract description 4
- WQOXQRCZOLPYPM-UHFFFAOYSA-N dimethyl disulfide Chemical compound CSSC WQOXQRCZOLPYPM-UHFFFAOYSA-N 0.000 claims description 16
- 239000000047 product Substances 0.000 claims description 12
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 11
- 239000011541 reaction mixture Substances 0.000 claims description 10
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 32
- 229940098779 methanesulfonic acid Drugs 0.000 description 16
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 15
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 15
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical group [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 12
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 11
- 239000007788 liquid Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 238000009835 boiling Methods 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- XYONNSVDNIRXKZ-UHFFFAOYSA-N S-methyl methanethiosulfonate Chemical compound CSS(C)(=O)=O XYONNSVDNIRXKZ-UHFFFAOYSA-N 0.000 description 6
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000001272 nitrous oxide Substances 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- -1 methanesulfonic acid Chemical class 0.000 description 4
- 206010019233 Headaches Diseases 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 150000003464 sulfur compounds Chemical class 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 239000007853 buffer solution Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 229910017464 nitrogen compound Inorganic materials 0.000 description 2
- 150000002830 nitrogen compounds Chemical class 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005292 vacuum distillation Methods 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical class CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 125000000066 S-methyl group Chemical group [H]C([H])([H])S* 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 229940071870 hydroiodic acid Drugs 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000011872 intimate mixture Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- MBABOKRGFJTBAE-UHFFFAOYSA-N methyl methanesulfonate Chemical compound COS(C)(=O)=O MBABOKRGFJTBAE-UHFFFAOYSA-N 0.000 description 1
- LRMHVVPPGGOAJQ-UHFFFAOYSA-N methyl nitrate Chemical compound CO[N+]([O-])=O LRMHVVPPGGOAJQ-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000005028 tinplate Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
- C07C303/16—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by oxidation of thiols, sulfides, hydropolysulfides, or polysulfides with formation of sulfo or halosulfonyl groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19854428.6 | 1998-11-25 | ||
| DE19854428A DE19854428A1 (de) | 1998-11-25 | 1998-11-25 | Verfahren zur Herstellung von Alkansulfonsäuren |
| PCT/EP1999/008994 WO2000031027A1 (de) | 1998-11-25 | 1999-11-22 | Verfahren zur herstellung von alkansulfonsäuren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2350490A1 CA2350490A1 (en) | 2000-06-02 |
| CA2350490C true CA2350490C (en) | 2008-03-04 |
Family
ID=7889013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002350490A Expired - Fee Related CA2350490C (en) | 1998-11-25 | 1999-11-22 | Method of producing alkane sulfonic acid |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US6531629B1 (en, 2012) |
| EP (1) | EP1133470B1 (en, 2012) |
| JP (1) | JP4294874B2 (en, 2012) |
| KR (1) | KR100599637B1 (en, 2012) |
| CN (1) | CN1163479C (en, 2012) |
| AT (1) | ATE240938T1 (en, 2012) |
| AU (1) | AU765481B2 (en, 2012) |
| BR (1) | BR9915651B1 (en, 2012) |
| CA (1) | CA2350490C (en, 2012) |
| DE (2) | DE19854428A1 (en, 2012) |
| ES (1) | ES2200582T3 (en, 2012) |
| HU (1) | HUP0104484A3 (en, 2012) |
| IN (1) | IN207425B (en, 2012) |
| MX (1) | MXPA01004496A (en, 2012) |
| PL (1) | PL197882B1 (en, 2012) |
| RU (1) | RU2230735C2 (en, 2012) |
| SK (1) | SK7152001A3 (en, 2012) |
| UA (1) | UA66896C2 (en, 2012) |
| WO (1) | WO2000031027A1 (en, 2012) |
| ZA (1) | ZA200104256B (en, 2012) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7820145B2 (en) * | 2003-08-04 | 2010-10-26 | Foamix Ltd. | Oleaginous pharmaceutical and cosmetic foam |
| JP4441726B2 (ja) * | 2003-01-24 | 2010-03-31 | 石原薬品株式会社 | スズ又はスズ合金の脂肪族スルホン酸メッキ浴の製造方法 |
| US20060272950A1 (en) * | 2003-05-12 | 2006-12-07 | Martyak Nicholas M | High purity electrolytic sulfonic acid solutions |
| US9399618B2 (en) * | 2003-05-12 | 2016-07-26 | Arkema Inc. | High purity electrolytic sulfonic acid solutions |
| WO2005069751A2 (en) * | 2003-06-21 | 2005-08-04 | Richards Alan K | Anhydrous processing of methane into methane-sulfonic acid, methanol, and other compounds |
| FR2935142B1 (fr) * | 2008-08-20 | 2010-11-19 | Arkema France | Dimethyldisulfure issu au moins partiellement de matieres renouvellables |
| SG171866A1 (en) | 2008-12-23 | 2011-07-28 | Basf Se | Method for compressing gases containing hydrogen sulfide |
| KR101818095B1 (ko) * | 2009-11-03 | 2018-01-12 | 바스프 에스이 | 메탄설폰산 수용액의 취급 방법 |
| GB201100531D0 (en) | 2011-01-13 | 2011-03-02 | Phosphonics | Functionalised materials, processes for the production and uses thereof |
| TWI604045B (zh) | 2011-04-14 | 2017-11-01 | 巴斯夫歐洲公司 | 溶解及／或抑制系統表面上積垢沉積的方法 |
| TW201329226A (zh) | 2011-11-30 | 2013-07-16 | Basf Se | 用於溶解及／或抑制系統表面上之積垢沉積之組合物 |
| US9290722B2 (en) | 2012-04-12 | 2016-03-22 | Basf Se | Cleaning composition for dishwashing |
| WO2015077737A1 (en) | 2013-11-25 | 2015-05-28 | Basf Se | Cleaning concentrate for removing scale from a surface of a system |
| WO2015086424A1 (en) | 2013-12-11 | 2015-06-18 | Evonik Industries Ag | A catalyst for oxidation reactions, a method for its preparation and the use thereof |
| WO2015085522A1 (en) * | 2013-12-11 | 2015-06-18 | Evonik Industries Ag | Process for preparing alkanesulphonic acids |
| CN106455544B (zh) | 2014-03-04 | 2021-02-02 | 巴斯夫欧洲公司 | 将棉子剥绒的方法 |
| AU2015227367A1 (en) | 2014-03-04 | 2016-09-22 | Basf Se | Method for degumming and esterification of an oil |
| EP3035046A1 (de) | 2014-12-19 | 2016-06-22 | Evonik Degussa GmbH | Verfahren zur Bestimmung eines Dialkyldisulfids |
| WO2017058765A1 (en) | 2015-09-28 | 2017-04-06 | Basf Se | Method of neutralizing cotton seeds |
| JP2018537443A (ja) | 2015-11-10 | 2018-12-20 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | アルカンスルホン酸を再処理する方法 |
| KR20180081577A (ko) | 2015-11-10 | 2018-07-16 | 바스프 에스이 | 알칸설폰산 정제 방법 |
| EP3173405A1 (de) | 2015-11-30 | 2017-05-31 | Evonik Degussa GmbH | Verfahren zur herstellung einer alkansulfonsäure |
| CA3027747A1 (en) | 2016-06-20 | 2017-12-28 | Basf Se | Process for producing ethanol from corn comprising dry-milling and adding alkanesulfonic acid to the separated corn fiber |
| CA3027739A1 (en) | 2016-06-20 | 2017-12-28 | Basf Se | Process for producing ethanol from corn comprising dry-milling and adding alkanesulfonic acid to the fermented mash |
| EP3472333A1 (en) | 2016-06-20 | 2019-04-24 | Basf Se | Preparation of ethanol from corn |
| CN109477225A (zh) | 2016-07-18 | 2019-03-15 | 巴斯夫欧洲公司 | 用于缩合反应的低腐蚀链烷磺酸 |
| TW201841881A (zh) | 2017-04-18 | 2018-12-01 | 德商巴斯夫歐洲公司 | 純化烷烴磺酸酐的方法及使用純化的烷烴磺酸酐製造烷烴磺酸的方法 |
| WO2018208701A1 (en) | 2017-05-11 | 2018-11-15 | Arkema Inc. | Processes and systems for recovering methanesulfonic acid in purified form |
| US10894766B2 (en) | 2017-05-30 | 2021-01-19 | Basf Se | Process for the production of alkanesulfonic acids |
| EP3453447B1 (en) | 2017-09-06 | 2020-12-23 | Evonik Operations GmbH | Process for the preparation of alkanesulfonic acid |
| EP3456708B1 (en) | 2017-09-13 | 2020-07-01 | Evonik Operations GmbH | Process for operating a plant for preparing an alkanesulfonic acid |
| CN107698468A (zh) * | 2017-10-18 | 2018-02-16 | 辽宁省轻工设计院有限公司 | 甲基磺酸的制备工艺 |
| WO2019154681A1 (en) * | 2018-02-07 | 2019-08-15 | Basf Se | Process for the manufacturing of alkanesulfonic acids |
| WO2020126855A1 (en) * | 2018-12-21 | 2020-06-25 | Basf Se | Mixture comprising methanesulfonic acid and sulfuric acid |
| CN114174258B (zh) | 2019-08-07 | 2024-01-16 | 巴斯夫欧洲公司 | 从蒸馏塔底部料流中回收无水甲磺酸 |
| WO2021063730A1 (en) * | 2019-10-01 | 2021-04-08 | Basf Se | Process for manufacturing alkanesulfonic acids |
| CN113214120B (zh) * | 2021-03-25 | 2022-10-04 | 四川上氟科技有限公司 | 一种全氟己基乙基磺酸盐的制备方法 |
| CN118715202A (zh) | 2022-02-18 | 2024-09-27 | 巴斯夫欧洲公司 | 用于生产烷基磺酸的方法 |
| CN117924122A (zh) * | 2023-12-26 | 2024-04-26 | 万华化学集团股份有限公司 | 一种甲基磺酸的制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2697722A (en) * | 1951-01-13 | 1954-12-21 | Standard Oil Co | Manufacture of sulfonic acids |
| US2727920A (en) | 1951-04-20 | 1955-12-20 | Standard Oil Co | Oxidation of mercaptans to sulfonic acids |
| RU2062268C1 (ru) * | 1993-11-25 | 1996-06-20 | Акционерное общество "Синтез" | Способ получения метансульфокислоты |
| WO1998034914A1 (en) * | 1997-02-10 | 1998-08-13 | Innochem Inc. | Preparation of alkane sulfonic acids and sulfonyl chlorides by oxidation of alkanethiols and dialkyl disulfides |
-
1998
- 1998-11-25 DE DE19854428A patent/DE19854428A1/de not_active Withdrawn
-
1999
- 1999-11-22 KR KR1020017006113A patent/KR100599637B1/ko not_active Expired - Lifetime
- 1999-11-22 US US09/831,362 patent/US6531629B1/en not_active Expired - Lifetime
- 1999-11-22 ES ES99962150T patent/ES2200582T3/es not_active Expired - Lifetime
- 1999-11-22 CN CNB998136883A patent/CN1163479C/zh not_active Expired - Lifetime
- 1999-11-22 BR BRPI9915651-2A patent/BR9915651B1/pt not_active IP Right Cessation
- 1999-11-22 JP JP2000583855A patent/JP4294874B2/ja not_active Expired - Fee Related
- 1999-11-22 AU AU18593/00A patent/AU765481B2/en not_active Ceased
- 1999-11-22 WO PCT/EP1999/008994 patent/WO2000031027A1/de active IP Right Grant
- 1999-11-22 SK SK715-2001A patent/SK7152001A3/sk unknown
- 1999-11-22 AT AT99962150T patent/ATE240938T1/de active
- 1999-11-22 RU RU2001117526/04A patent/RU2230735C2/ru not_active IP Right Cessation
- 1999-11-22 DE DE59905681T patent/DE59905681D1/de not_active Expired - Lifetime
- 1999-11-22 UA UA2001064423A patent/UA66896C2/uk unknown
- 1999-11-22 HU HU0104484A patent/HUP0104484A3/hu unknown
- 1999-11-22 PL PL347973A patent/PL197882B1/pl unknown
- 1999-11-22 EP EP99962150A patent/EP1133470B1/de not_active Expired - Lifetime
- 1999-11-22 CA CA002350490A patent/CA2350490C/en not_active Expired - Fee Related
-
2001
- 2001-05-04 MX MXPA01004496 patent/MXPA01004496A/es unknown
- 2001-05-24 ZA ZA200104256A patent/ZA200104256B/xx unknown
- 2001-05-25 IN IN725CH2001 patent/IN207425B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JP4294874B2 (ja) | 2009-07-15 |
| UA66896C2 (uk) | 2004-06-15 |
| RU2230735C2 (ru) | 2004-06-20 |
| JP2002530369A (ja) | 2002-09-17 |
| MXPA01004496A (es) | 2002-03-01 |
| BR9915651B1 (pt) | 2011-07-26 |
| CN1163479C (zh) | 2004-08-25 |
| CA2350490A1 (en) | 2000-06-02 |
| ES2200582T3 (es) | 2004-03-01 |
| ZA200104256B (en) | 2002-05-24 |
| AU765481B2 (en) | 2003-09-18 |
| HUP0104484A3 (en) | 2003-07-28 |
| BR9915651A (pt) | 2001-08-07 |
| PL197882B1 (pl) | 2008-05-30 |
| DE19854428A1 (de) | 2000-05-31 |
| PL347973A1 (en) | 2002-05-06 |
| SK7152001A3 (en) | 2002-01-07 |
| CN1328544A (zh) | 2001-12-26 |
| US6531629B1 (en) | 2003-03-11 |
| KR100599637B1 (ko) | 2006-07-12 |
| DE59905681D1 (de) | 2003-06-26 |
| IN2001CH00725A (en, 2012) | 2006-08-25 |
| EP1133470B1 (de) | 2003-05-21 |
| IN207425B (en, 2012) | 2007-06-29 |
| ATE240938T1 (de) | 2003-06-15 |
| KR20010092744A (ko) | 2001-10-26 |
| MX217997B (en, 2012) | 2003-12-08 |
| AU1859300A (en) | 2000-06-13 |
| HUP0104484A2 (hu) | 2002-03-28 |
| EP1133470A1 (de) | 2001-09-19 |
| WO2000031027A1 (de) | 2000-06-02 |
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