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US3585215A
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US
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Formyl cyclopenta (c) pyrans and amino substituted compounds
Assignee: Kali Chemie AG
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Filing: 1968-10-04
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Granted: 1971-06-15
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Expires: 1988-10-04
Abstract
Abstract FORMYL CYCLOPENTA(C)PYRANS, AND THE AMIDINO, CARBAMOYL AND THIOCARBAZONE THEREOF. THE COMPOUNDS ARE CHEMOTHERAPEUTIC AGENTS, USEFUL IN THE TREATMENT OF MICROBIAL INFECTIONS, ANALGEIC AND SEDATIVES.
Inventors
- 👤 Peter Willibrord Thies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:37
CPC Classifications
C; C07; C07D; C07D311/00; C07D311/02; C07D311/94
Claims Analysis
Total Claims: 0
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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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |