FR2219155B3 - - Google Patents
Info
- Publication number
- FR2219155B3 FR2219155B3 FR7401661A FR7401661A FR2219155B3 FR 2219155 B3 FR2219155 B3 FR 2219155B3 FR 7401661 A FR7401661 A FR 7401661A FR 7401661 A FR7401661 A FR 7401661A FR 2219155 B3 FR2219155 B3 FR 2219155B3
- 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
- C07C303/44—Separation; Purification
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US333857A US3927081A (en) | 1973-02-26 | 1973-02-26 | Purification of crude sulfonic acids |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2219155A1 FR2219155A1 (fr) | 1974-09-20 |
| FR2219155B3 true FR2219155B3 (fr) | 1976-11-05 |
Family
ID=23304557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7401661A Expired FR2219155B3 (fr) | 1973-02-26 | 1974-01-17 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3927081A (fr) |
| JP (1) | JPS505324A (fr) |
| BE (1) | BE811537A (fr) |
| CA (1) | CA1007246A (fr) |
| DE (1) | DE2361667A1 (fr) |
| FR (1) | FR2219155B3 (fr) |
| GB (1) | GB1394028A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3013808C2 (de) * | 1980-04-10 | 1982-12-23 | Chemische Werke Hüls AG, 4370 Marl | Verfahren zur Abtennung von Schwefelsäure aus dem bei der Umsetzung von Paraffinen mit Schwefeldioxid, Sauerstoff und Wasser in Gegenwart von UV-Licht anfallenden Sulfoxidationsaustrag |
| US5434301A (en) * | 1993-09-01 | 1995-07-18 | Henkel Corporation | Methods for recovery of acids |
| WO2001051459A1 (fr) * | 2000-01-10 | 2001-07-19 | Centaur Phamaceuticals, Inc. | Methode de purification des acides et des sels sulfoniques aryles |
| US8658583B2 (en) * | 2008-09-22 | 2014-02-25 | Ekc Technology, Inc. | Method for making a photoresist stripping solution comprising an organic sulfonic acid and an organic hydrocarbon solvent |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2168315A (en) * | 1937-01-19 | 1939-08-08 | Soneborn Sons Inc L | Method for the purification of petroleum mahogany sulphonates |
| US3083146A (en) * | 1958-11-26 | 1963-03-26 | Texaco Inc | Sulfonic acid purifying treatment |
-
1973
- 1973-02-26 US US333857A patent/US3927081A/en not_active Expired - Lifetime
- 1973-12-03 CA CA187,261A patent/CA1007246A/en not_active Expired
- 1973-12-07 GB GB5676773A patent/GB1394028A/en not_active Expired
- 1973-12-11 DE DE2361667A patent/DE2361667A1/de not_active Withdrawn
- 1973-12-17 JP JP48141750A patent/JPS505324A/ja active Pending
-
1974
- 1974-01-17 FR FR7401661A patent/FR2219155B3/fr not_active Expired
- 1974-02-25 BE BE141357A patent/BE811537A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS505324A (fr) | 1975-01-21 |
| BE811537A (fr) | 1974-08-26 |
| DE2361667A1 (de) | 1974-09-05 |
| FR2219155A1 (fr) | 1974-09-20 |
| CA1007246A (en) | 1977-03-22 |
| GB1394028A (en) | 1975-05-14 |
| US3927081A (en) | 1975-12-16 |