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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
•
Filing: 1965-05-14
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Granted: 1966-01-18
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Expires: 1985-05-14
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Abstract

No abstract record available.

Inventors

  • 👤 Arnold D Marcus

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 20:59
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

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