US3842092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sesquicillin
Assignee: Sandoz AG
•
Filing: 1973-03-30
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Granted: 1974-10-15
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Expires: 1993-03-30
Abstract
Abstract 5,6-DI(H3C-)-2H-PYRAN (H3C-),7-(H3C-COO-)-PERHYDRONAPHTHAL-1-YL)-CH2-),4-(HO-) 2-(O=),3-((2-(H2C=),5-((H3C)2-CH=CH-CH2-CH2-),5,8A-DI 1. SESQUICILLIN, WHICH IS 3-(5B, 8AB-DIMETHYL-6-ACETOXY2-METHYLENE-5-(4-METHYL-3-PENTENYL)-1B,2,3,4,4AA,5, 6S,7,8,8A-DECAHYDRO-1-NAPHTHYLMETHYL)-5,6-DIMETHYL4-HYDROXY-2H-PYRAN-2-ONE OF THE FORMULA,
Inventors
- 👤 B Thiele
- 👤 H Tscherter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:37
CPC Classifications
C; C12; C12P; C12P17/00; C12P17/02; C12P17/06; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
SESQUICILLIN, WHICH IS 3-(5B, 8AB-DIMETHYL-6-ACETOXY2-METHYLENE-5-(4-METHYL-3-PENTENYL)-1B,2,3,4,4AA,5, 6S,7,8,8A-DECAHYDRO-1-NAPHTHYLMETHYL)-5,6-DIMETHYL4-HYDROXY-2H-PYRAN-2-ONE OF THE FORMULA,
Claim 2
Dependent Claim
9 words
SESQUICILLIN, WHICH IS 3-(5B, 8AB-DIMETHYL-6-ACETOXY2-METHYLENE-5-(4-METHYL-3-PENTENYL)-1B,2,3,4,4AA,5, 6S,7,8,8A-DECAHYDRO-1-NAPHTHYLMETHYL)-5,6-DIMETHYL4-HYDROXY-2H-PYRAN-2-ONE OF THE FORMULA,
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-14 | 1978-04-15 | 1978-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-14 | 1982-04-15 | 1982-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-14 | 1986-04-15 | 1986-10-15 | $7700.00 | Window Closed / Lapsed |