US4273780A
Expired / Lapsed
US
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Anti-allergic anti-9,10-dihydro-4-(1-methyl-4-piperidylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-10(9H)-one oxime
Assignee: Sandoz AG
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Filing: 1980-01-08
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Granted: 1981-06-16
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Expires: 2000-01-08
Abstract
Abstract The present invention provides anti-9,10-dihydro-4-(1-methyl-4-piperidylidene)-4H-benzo[4,5]-cyclohepta[1,2-b]thiophen-10(9H)-one oxime of formula ##STR1## useful for the treatment of allergic conditions.
Inventors
- 👤 Erwin Waldvogel
- 👤 Jean-Michel Bastian
- 👤 Gustav Schwarb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:54
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
13 words
Anti-9,10-dihydro-4-(1-methyl-4-piperidylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-10(9H)-one oxime of formula, ##STR4## containing less than 5% of the corresponding syn-isomer.
Claim 2
Dependent Claim
13 words
Anti-9,10-dihydro-4-(1-methyl-4-piperidylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-10(9H)-one oxime of formula, ##STR4## containing less than 5% of the corresponding syn-isomer.
Claim 3
Dependent Claim
42 words
A pharmaceutical composition for use in treating allergic conditions which comprises a therapeutically effective amount of the anti-isomer of claim 1, in free base form or in pharmaceutically acceptable acid addition salt form in association with a pharmaceutically acceptable carrier or diluent.
Claim 4
Dependent Claim
29 words
A method of preventing or treating allergic conditions which comprises administering to an animal in need of such treatment an anti-allergic effective amount of the anti-isomer of claim 1.
References Cited (Backward Citations)
US3862156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-06-15 | 1984-12-15 | 1985-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-15 | 1988-12-15 | 1989-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-15 | 1992-12-15 | 1993-06-16 | $7700.00 | Window Closed / Lapsed |