Device and method for controlled freezing of cell cultures
US4455842A · kind A · utility
35Cited by
15References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 27, 1982 |
| Grant date | Jun 26, 1984 |
| Priority date | — |
| Expiry date | Sep 27, 2002 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D9/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An enclosed device and method for controlled freezing of cell cultures, especially eucaryotic cell cultures, contained in cell culture vials by means of a conventional freezer includes a container and top, a supporting grid and supporting grid base within the container for supporting the culture vials and a compatible liquid refrigerant in a volume of at least fifteen times the culture volume and at a level to totally immerse all of the cultures to be frozen. Compatible liquid refrigerants include the straight chain aliphatic alcohols, preferrably ethanol and methanol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.