US5151365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Culture of Asperigillus versicolor and mutants thereof
Assignee: Merck and Co Inc
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Filing: 1991-03-18
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Granted: 1992-09-29
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Expires: 2011-03-18
Abstract
Abstract This invention relates to cultures and processes employing these cultures which are useful for preparing compounds of structural formula (I). <IMAGE> (I)
Inventors
- 👤 Anne W. Dombrowski
- 👤 Lawrence Koupal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:24
CPC Classifications
A; A01; A01N; A01N49/00; C; C07; C07D; C07D311/00; C07D311/02; C07D311/78; C07D311/92; C12; C12P; C12P17/00; C12P17/02; C12P17/06; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A biologically pure culture of Aspergillus versicolor MF2664 (ATCC 74035), or active mutants of Aspergillus versicolor MF2664 (ATCC 74035) having essentially the characteristics of Aspergillus versicolor MF2664 (ATCC 74035) that are capable of producing a compound of structure: ##STR6## in recoverable amounts.
Claim 2
Dependent Claim
42 words
A biologically pure culture of Aspergillus versicolor MF2664 (ATCC 74035), or active mutants of Aspergillus versicolor MF2664 (ATCC 74035) having essentially the characteristics of Aspergillus versicolor MF2664 (ATCC 74035) that are capable of producing a compound of structure: ##STR6## in recoverable amounts.
References Cited (Backward Citations)
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Cited
US4231938A
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US4294926A
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US4342767A
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US4997755A
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US4965200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-09-29 | 1996-03-30 | 1996-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-09-29 | 2000-03-30 | 2000-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-09-29 | 2004-03-30 | 2004-09-29 | $7700.00 | Window Closed / Lapsed |