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US4085213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tetrazolo[A]quinazol-5-ones antiallergy and antiulcer agents
Assignee: Pfizer Inc
•
Filing: 1976-12-23
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Granted: 1978-04-18
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Expires: 1996-12-23
Abstract
Abstract A series of tetrazolo[a]quinazol-5-ones, methods for their production and use as antiallergy agents and antiulcer agents.
Inventors
- 👤 Jasjit S. Bindra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:29
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/70; C07D239/72; C07D239/95; C07D239/96
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
6 words
A compound of the formula: ##STR13##
Claim 2
Dependent Claim
6 words
A compound of the formula: ##STR13##
Claim 3
Independent Claim
39 words
A method of inhibiting the release of mediators of anaphylaxis in a mammalian subject which comprises administering orally, intranasally, parenterally or by inhalation to the subject an anaphylaxis mediator release inhibiting amount of a compound having the formula: ##STR14##
Claim 4
Independent Claim
39 words
A method of inhibiting the release of mediators of anaphylaxis in a mammalian subject which comprises administering orally, intranasally, parenterally or by inhalation to the subject an anaphylaxis mediator release inhibiting amount of a compound having the formula: ##STR14##
Claim 5
Dependent Claim
35 words
A composition suitable for inhibiting the release of mediators of anaphylaxis in a mammalian subject which comprises a unit dosage amount of the compound of claim 1 in a mixture with a pharmaceutically acceptable carrier.
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) | 1981-04-17 | 1981-10-17 | 1982-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-17 | 1985-10-17 | 1986-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-17 | 1989-10-17 | 1990-04-18 | $7700.00 | Window Closed / Lapsed |