Tobacco treating process
US4528994A · kind A · utility
4Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1983 |
| Grant date | Jul 16, 1985 |
| Priority date | — |
| Expiry date | Dec 16, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24B3/182
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An improved tobacco treating process wherein fill value improvement can be obtained with less energy and less carbon dioxide requirements comprising mixing tobacco with finely divided solid CO.sub.2 at controlled preselected parts by weight, impregnating the mixture with carbon dioxide gas under preselected pressure conditions, releasing the pressure and subjecting the so treated tobacco to drying gases with temperatures at least above 250.degree. F. with wet bulb temperatures in the range of at least about 150.degree. F. to a maximum of 212.degree. F.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.