US2987442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating hypertension with [2-(2, 6-dimethylphenoxy)-propyl]-trimethyl ammonium salts
Assignee: Smith Kline & French Laboratories Ltd
•
Filing: 1959-02-17
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Granted: 1961-06-06
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Expires: 1979-02-17
Abstract
No abstract record available.
Inventors
- 👤 Richard A Mclean
- 👤 Richard J Mohrbacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:07
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/13; A61K31/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
THE METHOD OF PRODUCING ANTIHYPERTENSIVE ACTIVITY IN A HUMAN BEING WHICH COMPRISES ADMINISTERING INTERNALLY A QUATERNARY AMMONIUM SALT OF AN AMINO PHENYL ETHER OF THE FORMULA: WHEREIN X IS A NONTOXIC, PHARMACEUTICALLY ACCEPTABLE ANION, COMBINED WITH A PHARMACEUTICAL CARRIER.
Claim 2
Independent Claim
39 words
THE METHOD OF PRODUCING ANTIHYPERTENSIVE ACTIVITY IN A HUMAN BEING WHICH COMPRISES ADMINISTERING INTERNALLY A QUATERNARY AMMONIUM SALT OF AN AMINO PHENYL ETHER OF THE FORMULA: WHEREIN X IS A NONTOXIC, PHARMACEUTICALLY ACCEPTABLE ANION, COMBINED WITH A PHARMACEUTICAL CARRIER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |