US4394515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
10,11-Dihydro-11-oxodibenzo[b,f]thiepin compounds
Assignee: Merck and Co Inc
•
Filing: 1981-04-06
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Granted: 1983-07-19
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Expires: 2001-04-06
Abstract
Abstract Novel 7- and 8-R-10,11-dihydro-11-oxodibenzo[b,f]thiepin derivatives are employed in the treatment and control of allergic conditions such as allergic asthma.
Inventors
- 👤 Joshua Rokach
- 👤 Clarence S. Rooney
- 👤 Edward J. Cragoe, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:41
CPC Classifications
C; C07; C07C; C07C323/00; C07D; C07D337/00; C07D337/02; C07D337/06; C07D337/10; C07D337/14
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
A compound which is 10,11-dihydro-11-oxodibenzo[b,f]thiepin-3-carboxylic acid.
Claim 2
Dependent Claim
6 words
A compound which is 10,11-dihydro-11-oxodibenzo[b,f]thiepin-3-carboxylic acid.
Claim 3
Dependent Claim
6 words
A compound which is 10,11-dihydro-11-oxodibenzo[b,f]thiepin-3-carboxylic acid-5-oxide.
Claim 4
Dependent Claim
6 words
A compound which is 10,11-dihydro-11-oxodibenzo[b,f]thiepin-3-carboxylic acid-5-oxide.
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) | 1986-07-18 | 1987-01-17 | 1987-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-07-18 | 1991-01-17 | 1991-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-07-18 | 1995-01-17 | 1995-07-19 | $7700.00 | Window Closed / Lapsed |