US3213099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-ethyl-5-ethyl-piperidine-2-carboxylic acid-2, 6-xylidides
Assignee: Saab Bofors AB
•
Filing: 1963-11-14
•
Granted: 1965-10-19
•
Expires: 1983-11-14
Abstract
No abstract record available.
Inventors
- 👤 Ekenstam Bo Thuresson Af
- 👤 Egner Borje Per Harald
- 👤 Pettersson Bror Gosta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:28
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/60
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
2 words
N-ETHYL-5-ETHYL-PIPERIDINE-5-CARBOXYLIC ACID-2,6XYLDIDE.
Claim 2
Dependent Claim
2 words
N-ETHYL-5-ETHYL-PIPERIDINE-5-CARBOXYLIC ACID-2,6XYLDIDE.
Claim 3
Dependent Claim
22 words
A MEMBER OF THE GROUP CONSISTING OF (A) N-ETHYL-5ETHYL-PIPERIDINE-2-CARBOXYLIC ACID-2,6-XYLIDIDE AND (B) ADDITION SALTS OF N-ETHYL-5-ETHYL-PIPERIDINE-2-CARBOXYLIC ACID-2,6-XYLDIDE WITH A PHARMACEUTICALLY ACCEPTABLE ACID.
Claim 4
Dependent Claim
22 words
A MEMBER OF THE GROUP CONSISTING OF (A) N-ETHYL-5ETHYL-PIPERIDINE-2-CARBOXYLIC ACID-2,6-XYLIDIDE AND (B) ADDITION SALTS OF N-ETHYL-5-ETHYL-PIPERIDINE-2-CARBOXYLIC ACID-2,6-XYLDIDE WITH A PHARMACEUTICALLY ACCEPTABLE ACID.
References Cited (Backward Citations)
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Cited
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US2520153A
Cited
US2529982A
Cited
US2792399A
Cited
US2842478A
Cited
US2838439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |