Aspartic proteinase deficient filamentous fungi
US5840570A · kind A · utility
26Cited by
1References
10Claims
0Family size
Inventors
Key dates
| Filing date | Nov 23, 1994 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | Nov 23, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12R2001/665
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
This invention relates to novel mutant filamentous fungi which are deficient in the gene for the corresponding aspartic proteinase. These organisms are useful production hosts in the production of heterologous polypeptides such as chymosin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.