US3689652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of lowering blood pressure in mammals
Assignee: Individual
•
Filing: 1970-10-09
•
Granted: 1972-09-05
•
Expires: 1990-10-09
Abstract
Abstract This invention relates to new compositions of matter for lowering blood pressure. More particularly, it relates to therapeutic compositions containing certain 6-(substitutedphenyl)-4,5-dihydro-3(2H)-pyridazinones which operate to reduce blood pressure in mammals. The invention includes the new compositions of matter and methods of lowering blood pressure therewith.
Inventors
- 👤 William Vincent Curran
- 👤 Adma Schneller Ross
- 👤 Andrew Stephen Tomcufcik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:24
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/50
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
19 words
A therapeutic composition in accordance with claim 1 wherein R is methyl, R1 is para-bromo, and R2 is hydrogen.
Claim 2
Dependent Claim
19 words
A therapeutic composition in accordance with claim 1 wherein R is methyl, R1 is para-chloro, and R2 is hydrogen.
Claim 3
Dependent Claim
19 words
A therapeutic composition in accordance with claim 1 wherein R is methyl, R1 is para-iodo, and R2 is hydrogen.
Claim 4
Dependent Claim
19 words
A therapeutic composition in accordance with claim 1 wherein R is hydrogen, R1 is para-iodo and R2 is hydrogen.
Claim 5
Independent Claim
25 words
The method of lowering blood pressure in a mammal which comprises administering internally to said mammal an effective amount of a compound of the formula:
Claim 6
Dependent Claim
18 words
The method as defined in claim 6 wherein R is methyl, R1 is para-bromo, and R2 is hydrogen.
Claim 7
Dependent Claim
18 words
The method as defined in claim 6 wherein R is methyl, R1 is para-chloro, and R2 is hydrogen.
Claim 8
Dependent Claim
18 words
The method as defined in claim 6 wherein R is methyl, R1 is para-iodo, and R2 is hydrogen.
Claim 9
Dependent Claim
18 words
The method as defined in claim 6 wherein R is hydrogen, R1 is para-iodo, and R2 is hydrogen.
References Cited (Backward Citations)
US3475431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |