FR2376842B1 - - Google Patents
Info
- Publication number
- FR2376842B1 FR2376842B1 FR7720775A FR7720775A FR2376842B1 FR 2376842 B1 FR2376842 B1 FR 2376842B1 FR 7720775 A FR7720775 A FR 7720775A FR 7720775 A FR7720775 A FR 7720775A FR 2376842 B1 FR2376842 B1 FR 2376842B1
- Authority
- FR
- France
- 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
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
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 |
---|---|---|---|
IT19155/77A IT1074825B (it) | 1977-01-11 | 1977-01-11 | Procedimento per la purificazione di acidi alchilsolfonici |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2376842A1 FR2376842A1 (fr) | 1978-08-04 |
FR2376842B1 true FR2376842B1 (US06174465-20010116-C00003.png) | 1980-08-22 |
Family
ID=11155338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7720775A Granted FR2376842A1 (fr) | 1977-01-11 | 1977-07-06 | Procede pour la purification d'acides alkylsulfoniques |
Country Status (7)
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3004651A1 (de) * | 1980-02-08 | 1981-08-13 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur abtrennung von sulfonsaeuren aus dem bei der umsetzung von paraffinen mit schwefeldioxid, sauerstoff und wasser in gegenwart von uv-licht erhaltenem reaktionsprodukt |
DE3048058C2 (de) * | 1980-12-19 | 1983-04-28 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Abtrennung von Schwefelsäure aus dem bei der Sulfoxidation von n-Paraffinen anfallenden rohen Sulfonierungsgemisch |
DE3210573A1 (de) * | 1982-03-23 | 1983-10-06 | Hoechst Ag | Verfahren zum abtrennen von schwefelsaeure aus dem bei der sulfoxidation von paraffinen anfallenden reaktionsgemisch |
IT1191720B (it) * | 1986-03-27 | 1988-03-23 | Eniricerche Spa | Procedimento per la estrazione di paraffine da miscele delle stesse con acidi alcansolfonici |
IT1196982B (it) * | 1986-07-23 | 1988-11-25 | Eniricerche Spa | Procedimento di estrazione di paraffine da miscele contenenti le stesse ed acidi alcansolfonici |
DE3639464A1 (de) * | 1986-11-18 | 1988-05-19 | Hoechst Ag | Verfahren zur isolierung von alkalisulfat-armen paraffinsulfonaten und schwefelsaeure aus paraffin-sulfoxidation-reaktionsgemischen ohne zwangsanfall von natriumsulfat |
DE102007020697A1 (de) | 2007-05-03 | 2008-11-06 | Clariant International Ltd. | Verfahren zur Isolierung konzentrierter Paraffinsulfonsäuren |
DE102008032723A1 (de) | 2008-07-11 | 2010-01-14 | Clariant International Limited | Verfahren zur Isolierung von Paraffinsulfonsäuren |
DE102014009835B4 (de) | 2014-07-03 | 2020-12-24 | Weylchem Wiesbaden Gmbh | Verfahren zur Herstellung sekundärer Natrium-Alkansulfonate |
-
1977
- 1977-01-11 IT IT19155/77A patent/IT1074825B/it active
- 1977-07-05 YU YU01660/77A patent/YU166077A/xx unknown
- 1977-07-05 DE DE19772730245 patent/DE2730245A1/de not_active Withdrawn
- 1977-07-06 CH CH830977A patent/CH625506A5/it not_active IP Right Cessation
- 1977-07-06 FR FR7720775A patent/FR2376842A1/fr active Granted
- 1977-07-07 ES ES460504A patent/ES460504A1/es not_active Expired
- 1977-07-08 GB GB28815/77A patent/GB1532207A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2376842A1 (fr) | 1978-08-04 |
DE2730245A1 (de) | 1978-07-20 |
ES460504A1 (es) | 1978-05-16 |
YU166077A (en) | 1982-06-30 |
GB1532207A (en) | 1978-11-15 |
CH625506A5 (en) | 1981-09-30 |
IT1074825B (it) | 1985-04-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |