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 (en) | 1977-01-11 | 1977-01-11 | PROCESS FOR THE PURIFICATION OF ALCHYLSULPHONIC ACIDS |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2376842A1 FR2376842A1 (en) | 1978-08-04 |
FR2376842B1 true FR2376842B1 (en) | 1980-08-22 |
Family
ID=11155338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7720775A Granted FR2376842A1 (en) | 1977-01-11 | 1977-07-06 | PROCESS FOR THE PURIFICATION OF ALKYLSULPHONIC ACIDS |
Country Status (7)
Country | Link |
---|---|
CH (1) | CH625506A5 (en) |
DE (1) | DE2730245A1 (en) |
ES (1) | ES460504A1 (en) |
FR (1) | FR2376842A1 (en) |
GB (1) | GB1532207A (en) |
IT (1) | IT1074825B (en) |
YU (1) | YU166077A (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3004651A1 (en) * | 1980-02-08 | 1981-08-13 | Chemische Werke Hüls AG, 4370 Marl | METHOD FOR SEPARATING SULPHONIC ACIDS FROM THE IMPLEMENTATION OF PARAFFINS WITH SULFUR DIOXIDE, OXYGEN AND WATER IN THE PRESENT REACTION PRODUCT RECEIVED BY UV LIGHT |
DE3048058C2 (en) * | 1980-12-19 | 1983-04-28 | Hoechst Ag, 6230 Frankfurt | Process for the separation of sulfuric acid from the crude sulfonation mixture obtained in the sulfoxidation of n-paraffins |
DE3210573A1 (en) * | 1982-03-23 | 1983-10-06 | Hoechst Ag | METHOD FOR SEPARATING SULFURIC ACID FROM THE REACTION MIXTURE CONTAINING SULFOXIDATION OF PARAFFINS |
IT1191720B (en) * | 1986-03-27 | 1988-03-23 | Eniricerche Spa | PROCEDURE FOR THE EXTRACTION OF PARAFFINS FROM MIXTURES OF THE SAME WITH ALCANSOLPHONIC ACIDS |
IT1196982B (en) * | 1986-07-23 | 1988-11-25 | Eniricerche Spa | PROCEDURE FOR EXTRACTION OF PARAFFINS FROM MIXTURES CONTAINING THE SAME AND ALCAN-SULPHONE ACIDS |
DE3639464A1 (en) * | 1986-11-18 | 1988-05-19 | Hoechst Ag | METHOD FOR INSULATING LOW-ALKALINE SULFATE PARAFFIN SULFONATES AND SULFURIC ACID FROM PARAFFIN-SULFOXIDATION-REACTION MIXTURES WITHOUT FORCING SODIUM SULFATE |
DE102007020697A1 (en) | 2007-05-03 | 2008-11-06 | Clariant International Ltd. | Process for isolating concentrated paraffin sulphonic acids |
DE102008032723A1 (en) | 2008-07-11 | 2010-01-14 | Clariant International Limited | Process for the isolation of paraffin sulphonic acids |
DE102014009835B4 (en) | 2014-07-03 | 2020-12-24 | Weylchem Wiesbaden Gmbh | Process for the preparation of secondary sodium alkanesulfonates |
-
1977
- 1977-01-11 IT IT19155/77A patent/IT1074825B/en active
- 1977-07-05 DE DE19772730245 patent/DE2730245A1/en not_active Withdrawn
- 1977-07-05 YU YU01660/77A patent/YU166077A/en unknown
- 1977-07-06 CH CH830977A patent/CH625506A5/en not_active IP Right Cessation
- 1977-07-06 FR FR7720775A patent/FR2376842A1/en active Granted
- 1977-07-07 ES ES460504A patent/ES460504A1/en not_active Expired
- 1977-07-08 GB GB28815/77A patent/GB1532207A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES460504A1 (en) | 1978-05-16 |
CH625506A5 (en) | 1981-09-30 |
GB1532207A (en) | 1978-11-15 |
IT1074825B (en) | 1985-04-20 |
DE2730245A1 (en) | 1978-07-20 |
FR2376842A1 (en) | 1978-08-04 |
YU166077A (en) | 1982-06-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |