US3576000A
Expired / Lapsed
US
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Aminoether derivatives of 9,10-dihydro-9,10-ethano-9-anthrols and their salts
Assignee: Societe Industrielle pour la Fabrication des Antibiotiques SA SIFA
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Filing: 1967-07-03
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Granted: 1971-04-20
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Expires: 1987-07-03
Abstract
Abstract AMINOETHER DERIVATIVES OF 9,10-DIHYDRO-9,10-ETHANO-9ANTHROLS AND THEIR ACID ADDITION AND QUATERNARY AMMONIUM SALTS. THESE COMPOUNDS ARE USEFUL IN THERAPEUTICS BECAUSE OF THEIR ANTIHISTAMINIC AND LOCAL ANESTHETIC PROPERTIES.
Inventors
- 👤 Jacques Robert Boissier
- 👤 Roger Ratouis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:34
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/40
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |