GB1419097A - Preparation of sulphobetaines - Google Patents
Preparation of sulphobetainesInfo
- Publication number
- GB1419097A GB1419097A GB1465173A GB1465173A GB1419097A GB 1419097 A GB1419097 A GB 1419097A GB 1465173 A GB1465173 A GB 1465173A GB 1465173 A GB1465173 A GB 1465173A GB 1419097 A GB1419097 A GB 1419097A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sulpho
- march
- carbon atoms
- general formula
- sulphobetaines
- 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
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1419097 Sulpho-betaines PROCTER & GAMBLE Ltd 26 March 1974 [27 March 1973] 14651/73 Heading C2C A surface-active sulpho-betaine is made by reacting, in the presence of iodide ions, an organic tertiary chloride of the general formula in which R 1 is a primary alkyl radical having from 8 to 20 carbon atoms, with a substituted amine of the general formula in which R 2 and R 3 , which may be identical or different, are each an alkyl group having 1 to 6 carbon atoms and M is a cation (e.g. Na or K). Preferably reaction is effected in the presence of methanol, ethanol, propanol or isopropanol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1465173A GB1419097A (en) | 1973-03-27 | 1973-03-27 | Preparation of sulphobetaines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1465173A GB1419097A (en) | 1973-03-27 | 1973-03-27 | Preparation of sulphobetaines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1419097A true GB1419097A (en) | 1975-12-24 |
Family
ID=10045098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1465173A Expired GB1419097A (en) | 1973-03-27 | 1973-03-27 | Preparation of sulphobetaines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1419097A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0213054A2 (en) * | 1985-05-09 | 1987-03-04 | Sherex Chemical Company, Inc. | Alkaline tolerant sulfobetaine amphoteric surfactants |
| EP0309421A2 (en) * | 1987-09-21 | 1989-03-29 | SIGMA-TAU Industrie Farmaceutiche Riunite S.p.A. | O-alkanoyl derivatives of 3-amino-2-hydroxypropanesulfonic acid having anticonvulsivant activity and pharmaceutical compositions containing same for the therapeutical treatment of epilepsy |
| US9598544B2 (en) | 2005-08-25 | 2017-03-21 | University Of Washington Through Its Center For Commercialization | Particles coated with zwitterionic polymers comprising sulfobetaine or carboxybetaine |
-
1973
- 1973-03-27 GB GB1465173A patent/GB1419097A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0213054A2 (en) * | 1985-05-09 | 1987-03-04 | Sherex Chemical Company, Inc. | Alkaline tolerant sulfobetaine amphoteric surfactants |
| EP0213054A3 (en) * | 1985-05-09 | 1987-10-14 | Sherex Chemical Company, Inc. | Alkaline tolerant sulfobetaine amphoteric surfactants |
| EP0309421A2 (en) * | 1987-09-21 | 1989-03-29 | SIGMA-TAU Industrie Farmaceutiche Riunite S.p.A. | O-alkanoyl derivatives of 3-amino-2-hydroxypropanesulfonic acid having anticonvulsivant activity and pharmaceutical compositions containing same for the therapeutical treatment of epilepsy |
| EP0309421A3 (en) * | 1987-09-21 | 1990-05-02 | Sigma Tau Industrie Farmaceutiche Riunite S.P.A. | O-alkanoyl derivatives of 3-amino-2-hydroxypropanesulfonic acid having anticonvulsivant activity and pharmaceutical compositions containing same for the therapeutical treatment of epilepsy |
| US9598544B2 (en) | 2005-08-25 | 2017-03-21 | University Of Washington Through Its Center For Commercialization | Particles coated with zwitterionic polymers comprising sulfobetaine or carboxybetaine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |