Method for the purification of natural vanillin
US9617198B2 · kind B2 · utility
0Cited by
2References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2014 |
| Grant date | Apr 11, 2017 |
| Priority date | — |
| Expiry date | Jan 20, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/82
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a method for the purification of natural vanillin, comprising at least one step in which the natural vanillin is evaporated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.