Extraction methods
US9757664B2 · kind B2 · utility
8Cited by
5References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 12, 2015 |
| Grant date | Sep 12, 2017 |
| Priority date | — |
| Expiry date | Dec 13, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11B9/025
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention provides systems and methods for the automation of the extraction of a liquid substance from a material. The disclosed systems include multiple tanks and valves under computer control providing for the safe transport of a solvent through the material under computer control. Solvent transport is accomplished by heating and/or cooling selected tanks or vessels to cause the solvent to evaporate or condense as desired. Tank and/or solvent heating and cooling is controlled automatically. Thus, in all embodiments the use of external pumps can be avoided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.