Recrystallization apparatus
US4892714A · kind A · utility
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4References
4Claims
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Assignee
Inventor
Key dates
| Filing date | Oct 13, 1988 |
| Grant date | Jan 9, 1990 |
| Priority date | — |
| Expiry date | Oct 13, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2221/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Small scale recrystallization apparatus is described using a container tube and a plastic plug with the end of the plug and a constriction in the tube mismating in a precisely controlled ellipticity of one so as to allow passage of solution while blocking formed crystals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.