BR8905599A - Processo para remover impurezas organicas oxidaveis - Google Patents
Processo para remover impurezas organicas oxidaveisInfo
- Publication number
- BR8905599A BR8905599A BR898905599A BR8905599A BR8905599A BR 8905599 A BR8905599 A BR 8905599A BR 898905599 A BR898905599 A BR 898905599A BR 8905599 A BR8905599 A BR 8905599A BR 8905599 A BR8905599 A BR 8905599A
- Authority
- BR
- Brazil
- Prior art keywords
- remove
- organic impurities
- oxidable organic
- oxidable
- impurities
- Prior art date
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 (1)
Publication Number | Publication Date |
---|---|
BR8905599A true BR8905599A (pt) | 1990-08-21 |
Family
ID=23084577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR898905599A BR8905599A (pt) | 1988-12-12 | 1989-11-01 | Processo para remover impurezas organicas oxidaveis |
Country Status (8)
Country | Link |
---|---|
US (1) | US4895977A (pt) |
EP (1) | EP0373305B1 (pt) |
JP (1) | JPH02258757A (pt) |
BR (1) | BR8905599A (pt) |
CA (1) | CA1306467C (pt) |
DE (1) | DE68905306T2 (pt) |
DK (1) | DK458489A (pt) |
MX (1) | MX170636B (pt) |
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 |
US9399618B2 (en) * | 2003-05-12 | 2016-07-26 | Arkema Inc. | High purity electrolytic sulfonic acid solutions |
CA2525064C (en) * | 2003-05-12 | 2013-01-08 | 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 |
WO2009121881A1 (de) * | 2008-04-01 | 2009-10-08 | Basf Se | Verfahren zur farbaufhellung von polyisocyanaten mit ozonhaltigem 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 |
WO2011054703A1 (de) * | 2009-11-03 | 2011-05-12 | Basf Se | Verfahren zur handhabung von wässrigen methansulfonsäurelösungen |
US10214485B2 (en) | 2015-11-10 | 2019-02-26 | Basf Se | Method of reprocessing alkanesulfonic acid |
US10577312B2 (en) | 2015-11-10 | 2020-03-03 | Basf Se | Process for purifying alkanesulfonic acids |
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 |
SG11202007292TA (en) | 2018-02-07 | 2020-08-28 | Basf Se | Process for the manufacturing of alkanesulfonic acids |
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 (pt) * | 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 DE DE89117220T patent/DE68905306T2/de not_active Expired - Fee Related
- 1989-09-18 DK DK458489A patent/DK458489A/da not_active Application Discontinuation
- 1989-09-18 EP EP89117220A patent/EP0373305B1/en not_active Expired - Lifetime
- 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 |
---|---|
EP0373305A1 (en) | 1990-06-20 |
DK458489A (da) | 1990-06-13 |
CA1306467C (en) | 1992-08-18 |
MX170636B (es) | 1993-09-02 |
JPH02258757A (ja) | 1990-10-19 |
US4895977A (en) | 1990-01-23 |
DE68905306T2 (de) | 1994-03-17 |
DK458489D0 (da) | 1989-09-18 |
DE68905306D1 (de) | 1993-04-15 |
EP0373305B1 (en) | 1993-03-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB19 | Grant procedure suspended (art. 19) | ||
FF | Decision: intention to grant | ||
KD | Notifcation of receipt (letter patent) | ||
FG | Letter patent granted | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 01/11/2004 |