Methods for decolorizing compositions comprising betaines
US9550726B2 · kind B2 · utility
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23Claims
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Key dates
| Filing date | Nov 13, 2013 |
| Grant date | Jan 24, 2017 |
| Priority date | — |
| Expiry date | Nov 13, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C227/40
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a process for decolorizing a composition comprising a betaine comprising the steps of The invention also relates to uses of ion exchange materials and decolorized solutions and compositions obtainable by the inventive process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.