Stabilization of enzymes during freezing
US6579707B2 · kind B2 · utility
3Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2001 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | Sep 12, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N9/96
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A method for stabilizing an enzyme during freezing, wherein the enzyme is in a zwitterionic buffer solution. The zwitterionic buffer is able to maintain the activity of the enzyme during freezing and thawing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.