Production of microorganisms having ice nucleating activity
US5137815A · kind A · utility
5Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1986 |
| Grant date | Aug 11, 1992 |
| Priority date | — |
| Expiry date | Sep 23, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12R2001/38
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A method for the fermentation of microorganisms having a high level of ice nucleating activity is disclosed. The method includes the step of adding acid to the fermentation medium when the pH approaches about 6.7 and adding base when the pH approaches about 5.5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.