US4009174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of substituted nicotinic acids
Assignee: Boots Co PLC
•
Filing: 1974-04-29
•
Granted: 1977-02-22
•
Expires: 1994-04-29
Abstract
Abstract Novel derivatives of nicotinic acid possessing vasomotor properties.
Inventors
- 👤 Robert Cluzan
- 👤 Lazare Katz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:44
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/79; C07D213/80
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
20 words
A compound of the formula ##STR74## and pharmaceutically acceptable acid addition salts thereof, in which R is piperidino or pyrrolidino.
Claim 2
Dependent Claim
20 words
A compound of the formula ##STR74## and pharmaceutically acceptable acid addition salts thereof, in which R is piperidino or pyrrolidino.
Claim 3
Dependent Claim
11 words
A compound according to claim 1 in which R is piperidino.
Claim 4
Dependent Claim
2 words
3-Piperidinopropyl 2-methylnicotinate.
Claim 5
Dependent Claim
2 words
3-Piperidinopropyl 2-methylnicotinate.
References Cited (Backward Citations)
US2739152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-22 | 1980-08-23 | 1981-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-22 | 1984-08-23 | 1985-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-22 | 1988-08-23 | 1989-02-22 | $7700.00 | Window Closed / Lapsed |