US3914306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guanidines
Assignee: William H Rorer Inc
•
Filing: 1973-07-13
•
Granted: 1975-10-21
•
Expires: 1993-07-13
Abstract
Abstract Novel substituted phenylguanidine compounds and processes for their preparation are disclosed. Their use as anti-hypertensive agents is also revealed.
Inventors
- 👤 George H Douglas
- 👤 Julius Diamond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:39
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/275; A61K31/16; A61K31/17
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
17 words
A compound according to claim 1 where: X is hydrogen, Y is 2-chloro and Z is 6-chloro.
Claim 4
Dependent Claim
13 words
A compound according to claim 1 where R, R'', and R'''''' are hydrogen.
Claim 5
Dependent Claim
3 words
The compound 1-(2,6-dichlorophenyl)-3-acetylguanidine.
Claim 6
Dependent Claim
3 words
The compound 1-(2,6-dichlorophenyl)-3-acetylguanidine.
Claim 7
Dependent Claim
3 words
The compound 1-(2,6-dichlorophenyl)-1-methyl-3-acetylguanidine.
Claim 8
Dependent Claim
3 words
The compound 1-(2,6-dichlorophenyl)-1-methyl-3-acetylguanidine.
Claim 9
Dependent Claim
3 words
The compound 1-(p-fluorophenyl)-3-acetylguanidine.
Claim 10
Dependent Claim
3 words
The compound 1-(p-fluorophenyl)-3-acetylguanidine.
Claim 11
Dependent Claim
3 words
The compound 1-(p-fluorophenyl)-1-methyl-3-acetylguanidine.
Claim 12
Dependent Claim
3 words
The compound 1-(p-fluorophenyl)-1-methyl-3-acetylguanidine.
Claim 13
Dependent Claim
3 words
The compound 1-(2,4,6-trichlorophenyl)-1-methyl-3-acetylguanidine.
Claim 14
Dependent Claim
3 words
The compound 1-(2,4,6-trichlorophenyl)-1-methyl-3-acetylguanidine.
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) | 1978-10-20 | 1979-04-21 | 1979-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-20 | 1983-04-21 | 1983-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-20 | 1987-04-21 | 1987-10-21 | $7700.00 | Window Closed / Lapsed |