US3922345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrimidinones and hydroxy pyrimidines
Assignee: Pfizer Inc
•
Filing: 1974-02-11
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Granted: 1975-11-25
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Expires: 1994-02-11
Abstract
Abstract Pyrimidinones having bronchodilator and anti-ulcer activities. Preferred embodiments are 5-(m-methylphenoxy)-2-(1H)pyrimidinone, 5-(p-methylphenoxy)-2-(1H)-pyrimidinone, and 5-phenoxy-2-(1H)pyrimidinone.
Inventors
- 👤 Christopher A Lipinski
- 👤 John G Stam
- 👤 Gerald G Deangelis
- 👤 Hans-Jurgen E Hess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:28
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/46; C07D239/56; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/505; C07D239/52
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
37 words
THE METHOD OF TREATING PEPTIC ULCER WHICH COMPRISES ADMINISTERING TO A SUBJECT AFFLICTED THEREWITH A DAILY DOSE OF A COMPOUND OF CLAIM 1 EQUIVALENT TO ABOUT .60 TO 21 MG OF SAID COMPOUND PER KG. BODY WEIGHT.
Claim 4
Dependent Claim
8 words
5-(m-methylphenoxy)-2-(1H) pyrimidinone, a compound according to claim 1.
Claim 5
Dependent Claim
7 words
5-(p-methylphenoxy)-2-(1H)pyrimidinone, a compound according to claim 1.
Claim 6
Dependent Claim
6 words
5-phenoxy-2-(1H)pyrimidinone, a compound according to claim
References Cited (Backward Citations)
US3538094A
Cited
US3551425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-24 | 1979-05-26 | 1979-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-24 | 1983-05-26 | 1983-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-24 | 1987-05-26 | 1987-11-25 | $7700.00 | Window Closed / Lapsed |