Solvent extraction process
US4144895A · kind A · utility
55Cited by
2References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 6, 1975 |
| Grant date | Mar 20, 1979 |
| Priority date | — |
| Expiry date | Mar 6, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24B15/24
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Processes for the selective removal of lipid constituents from elements of the tobacco plant comprising treating said elements in a solvolysis system consisting essentially of a mixture constituted by a major proportion of a hydrocarbon fat solvent and a minor proportion of a lower alkanol, whereby residual lipid level as determined by Soxhlet extraction is substantially reduced; and smoking compositions incorporating the processed tobacco material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.