Method of producing a liquid tobacco extract
US12137724B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2020 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Jun 12, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24B15/26
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method of producing a liquid tobacco extract is provided, the method including the steps of: preparing a tobacco starting material including natural tobacco material such that during the step of preparing the tobacco starting material, the tobacco is not subjected to any treatment adapted to alter the pH of the tobacco; heating the tobacco starting material in a flow of inert gas at an extraction temperature of between 125 degrees Celsius and 160 degrees Celsius for between 90 minutes and 270 minutes; collecting volatile compounds released from the natural tobacco starting material during the heating step; and forming a liquid tobacco extract comprising the collected volatile compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.