DE68905638T2 - Herstellung von alkansulfonylhaliden und alkansulfonsaeuren. - Google Patents
Herstellung von alkansulfonylhaliden und alkansulfonsaeuren.Info
- Publication number
- DE68905638T2 DE68905638T2 DE8989100154T DE68905638T DE68905638T2 DE 68905638 T2 DE68905638 T2 DE 68905638T2 DE 8989100154 T DE8989100154 T DE 8989100154T DE 68905638 T DE68905638 T DE 68905638T DE 68905638 T2 DE68905638 T2 DE 68905638T2
- Authority
- DE
- Germany
- Prior art keywords
- process according
- electrolysis
- alkanesulfonyl
- sulfur compound
- formula
- 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
- 239000002253 acid Substances 0.000 title claims description 65
- 150000007513 acids Chemical class 0.000 title claims description 25
- 150000004820 halides Chemical class 0.000 title claims description 3
- 238000004519 manufacturing process Methods 0.000 title description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 94
- 238000000034 method Methods 0.000 claims description 72
- -1 alkanesulfonyl halides Chemical class 0.000 claims description 61
- 238000005868 electrolysis reaction Methods 0.000 claims description 43
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 31
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 31
- 238000007254 oxidation reaction Methods 0.000 claims description 29
- 230000003647 oxidation Effects 0.000 claims description 27
- WQOXQRCZOLPYPM-UHFFFAOYSA-N dimethyl disulfide Chemical compound CSSC WQOXQRCZOLPYPM-UHFFFAOYSA-N 0.000 claims description 23
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 claims description 21
- 238000002360 preparation method Methods 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 16
- 239000000460 chlorine Substances 0.000 claims description 15
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims description 14
- 229910052801 chlorine Inorganic materials 0.000 claims description 14
- 239000012736 aqueous medium Substances 0.000 claims description 13
- 125000000217 alkyl group Chemical group 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 11
- CETBSQOFQKLHHZ-UHFFFAOYSA-N Diethyl disulfide Chemical compound CCSSCC CETBSQOFQKLHHZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000010924 continuous production Methods 0.000 claims description 5
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- SUVIGLJNEAMWEG-UHFFFAOYSA-N propane-1-thiol Chemical class CCCS SUVIGLJNEAMWEG-UHFFFAOYSA-N 0.000 claims description 4
- CUDSBWGCGSUXDB-UHFFFAOYSA-N Dibutyl disulfide Chemical class CCCCSSCCCC CUDSBWGCGSUXDB-UHFFFAOYSA-N 0.000 claims description 2
- WQAQPCDUOCURKW-UHFFFAOYSA-N butanethiol Chemical class CCCCS WQAQPCDUOCURKW-UHFFFAOYSA-N 0.000 claims description 2
- ALVPFGSHPUPROW-UHFFFAOYSA-N dipropyl disulfide Chemical class CCCSSCCC ALVPFGSHPUPROW-UHFFFAOYSA-N 0.000 claims description 2
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical class CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 229910000039 hydrogen halide Inorganic materials 0.000 claims description 2
- 239000012433 hydrogen halide Substances 0.000 claims description 2
- 150000003254 radicals Chemical group 0.000 claims description 2
- 150000003464 sulfur compounds Chemical class 0.000 claims 8
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims 1
- 229910052794 bromium Chemical group 0.000 claims 1
- 125000001309 chloro group Chemical group Cl* 0.000 claims 1
- 239000000047 product Substances 0.000 description 30
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 20
- 239000000376 reactant Substances 0.000 description 18
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 17
- 150000002019 disulfides Chemical class 0.000 description 17
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 17
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 14
- 239000006227 byproduct Substances 0.000 description 14
- 239000002609 medium Substances 0.000 description 12
- 150000001335 aliphatic alkanes Chemical class 0.000 description 11
- 239000003792 electrolyte Substances 0.000 description 11
- QARBMVPHQWIHKH-UHFFFAOYSA-N methanesulfonyl chloride Chemical compound CS(Cl)(=O)=O QARBMVPHQWIHKH-UHFFFAOYSA-N 0.000 description 10
- 239000012359 Methanesulfonyl chloride Substances 0.000 description 9
- 229910052697 platinum Inorganic materials 0.000 description 8
- 239000004809 Teflon Substances 0.000 description 7
- 229920006362 Teflon® Polymers 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000005660 chlorination reaction Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 229940098779 methanesulfonic acid Drugs 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- 239000012429 reaction media Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 239000012431 aqueous reaction media Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 150000001805 chlorine compounds Chemical class 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 2
- 229920002449 FKM Polymers 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010908 decantation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- FRYHCSODNHYDPU-UHFFFAOYSA-N ethanesulfonyl chloride Chemical compound CCS(Cl)(=O)=O FRYHCSODNHYDPU-UHFFFAOYSA-N 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 239000005337 ground glass Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- KPBSJEBFALFJTO-UHFFFAOYSA-N propane-1-sulfonyl chloride Chemical compound CCCS(Cl)(=O)=O KPBSJEBFALFJTO-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 2
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- AROCLDYPZXMJPW-UHFFFAOYSA-N 1-(octyldisulfanyl)octane Chemical class CCCCCCCCSSCCCCCCCC AROCLDYPZXMJPW-UHFFFAOYSA-N 0.000 description 1
- PMBXCGGQNSVESQ-UHFFFAOYSA-N 1-Hexanethiol Chemical class CCCCCCS PMBXCGGQNSVESQ-UHFFFAOYSA-N 0.000 description 1
- ZRKMQKLGEQPLNS-UHFFFAOYSA-N 1-Pentanethiol Chemical class CCCCCS ZRKMQKLGEQPLNS-UHFFFAOYSA-N 0.000 description 1
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical class CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 1
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical group CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- FTIBGHOWVJVQPO-UHFFFAOYSA-N 5-[2-methyl-5-(trifluoromethyl)pyrazol-3-yl]thiophene-2-sulfonyl chloride Chemical class CN1N=C(C(F)(F)F)C=C1C1=CC=C(S(Cl)(=O)=O)S1 FTIBGHOWVJVQPO-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VPIAKHNXCOTPAY-UHFFFAOYSA-N Heptane-1-thiol Chemical class CCCCCCCS VPIAKHNXCOTPAY-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 150000001649 bromium compounds Chemical class 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 229910001902 chlorine oxide Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- WGBZKRKBGGQMSY-UHFFFAOYSA-N fluoromethanesulfonyl fluoride Chemical class FCS(F)(=O)=O WGBZKRKBGGQMSY-UHFFFAOYSA-N 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 229910000042 hydrogen bromide Inorganic materials 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
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 150000004694 iodide salts Chemical class 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B3/00—Electrolytic production of organic compounds
- C25B3/20—Processes
- C25B3/23—Oxidation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16459988A | 1988-03-07 | 1988-03-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE68905638D1 DE68905638D1 (de) | 1993-05-06 |
| DE68905638T2 true DE68905638T2 (de) | 1993-08-26 |
Family
ID=22595218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8989100154T Expired - Fee Related DE68905638T2 (de) | 1988-03-07 | 1989-01-05 | Herstellung von alkansulfonylhaliden und alkansulfonsaeuren. |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0331864B1 (enrdf_load_stackoverflow) |
| JP (1) | JPH01272786A (enrdf_load_stackoverflow) |
| BR (1) | BR8900993A (enrdf_load_stackoverflow) |
| DE (1) | DE68905638T2 (enrdf_load_stackoverflow) |
| DK (1) | DK106089A (enrdf_load_stackoverflow) |
| ES (1) | ES2039702T3 (enrdf_load_stackoverflow) |
| IN (1) | IN170927B (enrdf_load_stackoverflow) |
| MX (1) | MX169944B (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6084122A (en) * | 1997-10-31 | 2000-07-04 | Celanese International Corporation | Sulfur removal process from an acrylate waste stream |
| JP2001521919A (ja) * | 1997-10-31 | 2001-11-13 | セラニーズ・インターナショナル・コーポレーション | アクリレートの系から硫黄を除去する方法 |
| CN102343197A (zh) * | 2011-10-18 | 2012-02-08 | 褚平忠 | 一种氯化氢和二氧化硫混合气体的分离回收方法 |
| GB202201705D0 (en) * | 2022-02-10 | 2022-03-30 | Thoclor Labs Pty Ltd | A method for manufacturing pharmaceutical grade hypochlorous acid |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2521147A (en) * | 1946-06-26 | 1950-09-05 | Standard Oil Co | Electrolytic production of alkanesulfonic acids |
| FR1582507A (enrdf_load_stackoverflow) * | 1968-05-06 | 1969-10-03 |
-
1988
- 1988-12-29 IN IN1074/CAL/88A patent/IN170927B/en unknown
-
1989
- 1989-01-05 ES ES198989100154T patent/ES2039702T3/es not_active Expired - Lifetime
- 1989-01-05 DE DE8989100154T patent/DE68905638T2/de not_active Expired - Fee Related
- 1989-01-05 EP EP89100154A patent/EP0331864B1/en not_active Expired - Lifetime
- 1989-01-16 MX MX014555A patent/MX169944B/es unknown
- 1989-03-03 BR BR898900993A patent/BR8900993A/pt not_active Application Discontinuation
- 1989-03-06 JP JP1052188A patent/JPH01272786A/ja active Pending
- 1989-03-06 DK DK106089A patent/DK106089A/da not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DK106089D0 (da) | 1989-03-06 |
| EP0331864A1 (en) | 1989-09-13 |
| EP0331864B1 (en) | 1993-03-31 |
| BR8900993A (pt) | 1989-10-24 |
| ES2039702T3 (es) | 1993-10-01 |
| MX169944B (es) | 1993-08-02 |
| JPH01272786A (ja) | 1989-10-31 |
| IN170927B (enrdf_load_stackoverflow) | 1992-06-13 |
| DK106089A (da) | 1989-09-08 |
| DE68905638D1 (de) | 1993-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |