US4231938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypocholesteremic fermentation products and process of preparation
Assignee: Merck Capital Resources Inc
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Filing: 1979-06-15
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Granted: 1980-11-04
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Expires: 1999-06-15
Abstract
Abstract Substances isolated after cultivation of a microorganism belonging to the genus Aspergillus in a culture medium comprise a compound designated MSD803 which has the lactone structure: <IMAGE> as well as its free hydroxy acid form. Together with salts and esters of the free acid form, these compounds form a class of highly active hypocholesteremic and hypolipemic medicaments.
Inventors
- 👤 Richard L. Monaghan
- 👤 Alfred W. Alberts
- 👤 Carl H. Hoffman
- 👤 George Albers-Schonberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:52
CPC Classifications
C; C07; C07D; C07D309/00; C07D309/16; C07D309/28; C07D309/30; A; A61; A61P; A61P3/00; A61P3/06; C12; C12N; C12N1/00; C12N1/14; C12N1/145; C12P; C12P17/00; C12P17/02; C12P17/06; C12P7/00; C12P7/62; C12R; C12R2001/00; C12R2001/645; C12R2001/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
The compound of the formula ##STR5##
Claim 2
Dependent Claim
6 words
The compound of the formula ##STR5##
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-11-04 | 1984-05-05 | 1984-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-04 | 1988-05-05 | 1988-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-04 | 1992-05-05 | 1992-11-04 | $7700.00 | Window Closed / Lapsed |