US3230143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antihypertensive injection methods using acid addition salts of alkyl esters of alpha-methyl-3, 4-dihy-droxyphenylalanine
Assignee: Merck and Co Inc
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Filing: 1965-05-14
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Granted: 1966-01-18
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Expires: 1985-05-14
Abstract
No abstract record available.
Inventors
- 👤 Arnold D Marcus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:05
CPC Classifications
A; A61; A61K; A61K47/00; A61K47/02; A61K47/06; A61K47/16; A61K47/18; A61K47/183; A61K47/20; A61K9/00; A61K9/0012; A61K9/0019
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE METHOD OF RAPIDLY DECREASING HIGH BLOOD PRESSURE IN AN EMERGENCY WHICH COMPRISES PARENTERAL ADMINISTRATION TO HUMAN OF A PHARMACEUTICAL ANTIHYPERTENSIVE COMPOSITION COMPRISING FROM 2.5 TO 30% OF A PHARMACEUTICALLY ACCEPTABLE MINERAL ACID ADDITION SALT OF AN ALKYL ESTER OF A-METHYL-3,4-DIHYDROXYPHENYLALANINE, SAID ALKYL GROUP HAVING LESS THAN 19 CARBONS, AND OXYGEN-FREE WATER, THE SAID COMPOSITION BEING AT A PH OF 2-6.
Claim 2
Independent Claim
61 words
THE METHOD OF RAPIDLY DECREASING HIGH BLOOD PRESSURE IN AN EMERGENCY WHICH COMPRISES PARENTERAL ADMINISTRATION TO HUMAN OF A PHARMACEUTICAL ANTIHYPERTENSIVE COMPOSITION COMPRISING FROM 2.5 TO 30% OF A PHARMACEUTICALLY ACCEPTABLE MINERAL ACID ADDITION SALT OF AN ALKYL ESTER OF A-METHYL-3,4-DIHYDROXYPHENYLALANINE, SAID ALKYL GROUP HAVING LESS THAN 19 CARBONS, AND OXYGEN-FREE WATER, THE SAID COMPOSITION BEING AT A PH OF 2-6.
References Cited (Backward Citations)
US2868818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |