DE68905306D1 - Reinigung von alkansulfonsaeuren mit ozon. - Google Patents
Reinigung von alkansulfonsaeuren mit ozon.Info
- Publication number
- DE68905306D1 DE68905306D1 DE8989117220T DE68905306T DE68905306D1 DE 68905306 D1 DE68905306 D1 DE 68905306D1 DE 8989117220 T DE8989117220 T DE 8989117220T DE 68905306 T DE68905306 T DE 68905306T DE 68905306 D1 DE68905306 D1 DE 68905306D1
- Authority
- DE
- Germany
- Prior art keywords
- alkansulphonic
- ozone
- acids
- cleaning
- alkansulphonic acids
- 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
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
- C07C303/42—Separation; Purification; Stabilisation; Use of additives
- C07C303/44—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/283,112 US4895977A (en) | 1988-12-12 | 1988-12-12 | Purification of alkanesulfonic acids using ozone |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68905306D1 true DE68905306D1 (de) | 1993-04-15 |
DE68905306T2 DE68905306T2 (de) | 1994-03-17 |
Family
ID=23084577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE89117220T Expired - Fee Related DE68905306T2 (de) | 1988-12-12 | 1989-09-18 | Reinigung von Alkansulfonsäuren mit Ozon. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4895977A (de) |
EP (1) | EP0373305B1 (de) |
JP (1) | JPH02258757A (de) |
BR (1) | BR8905599A (de) |
CA (1) | CA1306467C (de) |
DE (1) | DE68905306T2 (de) |
DK (1) | DK458489A (de) |
MX (1) | MX170636B (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5583253A (en) * | 1991-03-27 | 1996-12-10 | Henderson; Phyllis A. | Method of preparing purified alkanesulfonic acid |
DE19918284C1 (de) * | 1999-04-22 | 2000-12-14 | Celanese Chem Europe Gmbh | Verfahren zur Herstellung von sulfonierten Arylphosphinen |
CA2525064C (en) * | 2003-05-12 | 2013-01-08 | Arkema Inc. | High purity electrolytic sulfonic acid solutions |
US9399618B2 (en) * | 2003-05-12 | 2016-07-26 | Arkema Inc. | High purity electrolytic sulfonic acid solutions |
US7297813B2 (en) * | 2004-08-05 | 2007-11-20 | Arkema Inc. | Removal of alkyl alkanesulfonate esters from alkanesulfonic acids and other organic media |
US20110028579A1 (en) * | 2008-04-01 | 2011-02-03 | Base Se | Process for lightening the color of polyisocyanates with ozone-containing gas |
JP5405129B2 (ja) * | 2009-01-05 | 2014-02-05 | 三菱マテリアル株式会社 | ペルフルオロアルキルスルホン酸塩の製造方法 |
PT2496726T (pt) * | 2009-11-03 | 2021-11-19 | Basf Se | Processo para manuseamento de soluções aquosas de ácido metanossulfónico por meio de aço inoxidável |
US10577312B2 (en) | 2015-11-10 | 2020-03-03 | Basf Se | Process for purifying alkanesulfonic acids |
MY198293A (en) | 2015-11-10 | 2023-08-21 | Basf Se | Method of reprocessing alkanesulfonic acid |
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 |
KR20200118806A (ko) | 2018-02-07 | 2020-10-16 | 바스프 에스이 | 알칸설폰산의 제조방법 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2667507A (en) * | 1950-08-31 | 1954-01-26 | Celanese Corp | Preparation of disulfonic acids |
US2842588A (en) * | 1957-07-03 | 1958-07-08 | Sun Oil Co | Treatment of sulfonic acids |
US3147303A (en) * | 1959-04-25 | 1964-09-01 | Bayer Ag | Process for refining alkanesulfonyl chlorides |
DE1127352B (de) * | 1960-10-15 | 1962-04-12 | Basf Ag | Verfahren zur Aufhellung roher aliphatischer oder aromatischer Sulfonsaeuren, deren Salzen, Chloriden oder Estern |
US3248423A (en) * | 1962-11-30 | 1966-04-26 | Hooker Chemical Corp | Process for preparing alkyl sulfonyl chlorides |
US3413337A (en) * | 1965-10-18 | 1968-11-26 | Phillips Petroleum Co | Sulfoxidation process |
US3479398A (en) * | 1965-12-30 | 1969-11-18 | Phillips Petroleum Co | Nitrogen oxide compounds as sulfoxidation promoters |
US3485870A (en) * | 1966-04-11 | 1969-12-23 | Phillips Petroleum Co | Halogen oxides,halogen oxy acids,and salts thereof as sulfoxidation promoters |
DE1280848B (de) * | 1966-09-09 | 1968-10-24 | Hoechst Ag | Verfahren zur Aufhellung von verfaerbten Sulfonaten und Sulfaten |
DE2504235C3 (de) * | 1975-02-01 | 1979-04-19 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Verfahren zur Herstellung von Alkylsulfonsäuren |
DD123088A1 (de) * | 1975-10-14 | 1976-11-20 | ||
US4549993A (en) * | 1984-04-06 | 1985-10-29 | Pennwalt Corporation | Purification of crude, liquid organosulfonyl chloride |
CA1313676C (en) * | 1987-12-23 | 1993-02-16 | Mark Owen Scates | Purification of acetic acid with ozone |
-
1988
- 1988-12-12 US US07/283,112 patent/US4895977A/en not_active Expired - Lifetime
-
1989
- 1989-09-18 DK DK458489A patent/DK458489A/da not_active Application Discontinuation
- 1989-09-18 EP EP89117220A patent/EP0373305B1/de not_active Expired - Lifetime
- 1989-09-18 DE DE89117220T patent/DE68905306T2/de not_active Expired - Fee Related
- 1989-09-19 CA CA000611929A patent/CA1306467C/en not_active Expired - Lifetime
- 1989-09-22 JP JP1245373A patent/JPH02258757A/ja active Pending
- 1989-09-29 MX MX017764A patent/MX170636B/es unknown
- 1989-11-01 BR BR898905599A patent/BR8905599A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA1306467C (en) | 1992-08-18 |
MX170636B (es) | 1993-09-02 |
DK458489A (da) | 1990-06-13 |
US4895977A (en) | 1990-01-23 |
BR8905599A (pt) | 1990-08-21 |
EP0373305A1 (de) | 1990-06-20 |
JPH02258757A (ja) | 1990-10-19 |
DE68905306T2 (de) | 1994-03-17 |
EP0373305B1 (de) | 1993-03-10 |
DK458489D0 (da) | 1989-09-18 |
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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 |