Cryogenic systems
US11229913B2 · kind B2 · utility
2Cited by
23References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 31, 2019 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | May 31, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L2300/1894
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Cryogenic devices are provided in which solid carbon dioxide (dry ice) is used to maintain a temperature zone in which samples can be manipulated under conditions in which the sample is maintained at a temperature below −50° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.