| 发明名称 |
METHODS FOR DECOLORIZING COMPOSITIONS COMPRISING BETAINES |
| 摘要 |
The invention relates to a process for decolorizing a composition comprising a betaine comprising the steps of
(a) providing a solution of the composition in an organic solvent,(b) contacting the solution with a decolorant, wherein the decolorant is a polar solid decolorant.;The invention also relates to uses of ion exchange materials and decolorized solutions and compositions obtainable by the inventive process. |
| 申请公布号 |
US2015251989(A1) |
申请公布日期 |
2015.09.10 |
| 申请号 |
US201314431861 |
申请日期 |
2013.11.13 |
| 申请人 |
LONZA LTD. |
发明人 |
Büchner Thomas;Paradies Gesa;Yang Justin |
| 分类号 |
C07C227/40 |
主分类号 |
C07C227/40 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A process for decolorizing a composition comprising at least one betaine comprising the steps
(a) providing a solution of the composition in an organic solvent, (b) contacting the solution with a decolorant, wherein the decolorant is a polar solid decolorant. |
| 地址 |
Visp CH |
