Aspartic proteinase deficient filamentous fungi
US6509171B1 · kind B1 · utility
38Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1998 |
| Grant date | Jan 21, 2003 |
| Priority date | — |
| Expiry date | Mar 26, 2018 |
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.