US3081230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diuretic and antihypertensive triaminoarylpteridines
Assignee: Smith Kline & French Laboratories Ltd
•
Filing: 1960-09-08
•
Granted: 1963-03-12
•
Expires: 1980-09-08
Abstract
No abstract record available.
Inventors
- 👤 Weinstock Joseph
- 👤 Wiebelhaus Virgil Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:25
CPC Classifications
C; C07; C07D; C07D475/00; C07D475/06; C07D475/08; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/54; C07D475/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
30 words
THE METHOD OF PRODUCING DIURETIC AND HYPOTENSIVE ACTIVITY WHICH COMPRISES INTERNALLY ADMINISTERING TO AN ANIMAL ORGANISM IN AN AMOUNT SUFFICIENT TO PRODUCE SAID ACTIVITIES A PTERIDINE COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
US2963478A
Cited
US2975180A
Cited
US2963479A
Cited
US2963481A
Cited
US2963480A
Cited
US2998420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |