Method for reducing nitrosamines in tobacco
US7757697B2 · kind B2 · utility
0Cited by
3References
17Claims
0Family size
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Key dates
| Filing date | Dec 13, 2006 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Jan 13, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24B15/28
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Nitrosamines are reduced in tobacco by treating a whole tobacco leaf with ferulic acid. Treatment is conducted by applying an aqueous solution of ferulic acid to the whole tobacco leaf immediately before, at, or after harvesting, or fire curing the whole tobacco leaf with wood smoke containing the ferulic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.