US5358962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antihypertensive method
Assignee: Minophagen Pharmaceutical Co Ltd
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Filing: 1993-04-22
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Granted: 1994-10-25
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Expires: 2013-04-22
Abstract
Abstract An antihypertensive method comprising administering to a hypertensive patient a pharmaceutical agent containing lithospermic acid B represented by the formula: <IMAGE> and/or the pharmaceutically acceptable salt thereof, for example, Mg2+, K+, NH4+ and Ca2+ salts thereof, as an effective ingredient.
Inventors
- 👤 Hikokichi Oura
- 👤 Itsuo Nishioka
- 👤 Takako Yokozawa
- 👤 Tadao Takeuchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:15
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/335; A61K31/34
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
46 words
An antihypertensive method comprising the step of administering to a hypertensive patient an effective anti-hypertensive amount of a pharmaceutical agent comprising a compound selected from the group consisting of lithospermic acid B represented by the formula: ##STR4## and a pharmaceutically acceptable salt thereof as effective ingredient.
Claim 2
Dependent Claim
46 words
An antihypertensive method comprising the step of administering to a hypertensive patient an effective anti-hypertensive amount of a pharmaceutical agent comprising a compound selected from the group consisting of lithospermic acid B represented by the formula: ##STR4## and a pharmaceutically acceptable salt thereof as effective ingredient.
Claim 3
Dependent Claim
40 words
The method according to claim 1, wherein the pharmaceutically acceptable salt of lithospermic acid B is selected from the group consisting of Mg 2+ , K + , NH 4 + , and Ca 2+ salts of lithospermic acid B.
Claim 4
Dependent Claim
25 words
A method according to claim 1, wherein the agent is selected from the group consisting of an oral pharmaceutical agent and a parenteral pharmaceutical agent.
Claim 5
Dependent Claim
24 words
A method according to claim 1, wherein said effective antihypertensive amount is a dose of from about 50 mg/day to to about 1500 mg/day.
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) | 1997-10-24 | 1998-04-25 | 1998-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-10-24 | 2002-04-25 | 2002-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-10-24 | 2006-04-25 | 2006-10-25 | $7700.00 | Window Closed / Lapsed |