Transfer vessel apparatus and method of storing samples
US5088290A · kind A · utility
2Cited by
5References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 22, 1990 |
| Grant date | Feb 18, 1992 |
| Priority date | — |
| Expiry date | Aug 22, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L1/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A transfer vessel apparatus has a device for introducing gas from a liquid nitrogen trap into a vessel body to form and maintain an inert atmosphere in the vessel body. The inert atmosphere maintained in the vessel body enables a sample to be stored for long periods and enables transfer of the sample between different vacuum systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.