US3705213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adamantoyl and adamantyl (alkyl) glycerophosphoryl (and phosphonyl)ethanolamines
Assignee: Smith Kline & French Laboratories Ltd
•
Filing: 1969-07-01
•
Granted: 1972-12-05
•
Expires: 1989-07-01
Abstract
Abstract The compounds are adamantyl substituted glycerophosphoryl (and phosphonyl)ethanolamines having renin inhibitory activity.
Inventors
- 👤 Francis R Pfeiffer
- 👤 Jerry A Weisbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:46
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/10; C07F9/28; C07F9/38; C07F9/40; C07F9/4071; C07F9/4075; Y; Y10; Y10S; Y10S530/00; Y10S530/86
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
17 words
A compound according to claim 1 in which R1 is 1-adamantoyl; R2 is 1-adamantoyl and R3 is
Claim 2
Dependent Claim
17 words
A compound according to claim 1 in which R1 is 1-adamantoyl; R2 is hydrogen and R3 is
Claim 3
Dependent Claim
17 words
A compound according to claim 1 in which R1 is 1-adamantoyl; R2 is 1-adamantoyl and R3 is
Claim 4
Dependent Claim
22 words
A compound according to claim 1 in which R1 is 1-adamantyl-(CH2)n; R2 is hydrogen; n is 1 or 2 and R3 is
Claim 5
Dependent Claim
11 words
A compound according to claim 5 in which n is 1.
Claim 6
Dependent Claim
11 words
A compound according to claim 5 in which n is 2.
References Cited (Backward Citations)
US2864848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-05 | 1976-06-05 | 1976-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-05 | 1980-06-05 | 1980-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-05 | 1984-06-05 | 1984-12-05 | $7700.00 | Window Closed / Lapsed |