US3900478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-methyl-2-piperidino-3'-(trifluoromethyl) propiophenone
Assignee: ER Squibb and Sons LLC
•
Filing: 1973-01-29
•
Granted: 1975-08-19
•
Expires: 1993-01-29
Abstract
Abstract Compounds of the formula ARE HIGHLY EFFECTIVE IMMUNOSUPPRESSIVE AGENTS AND ALSO EXHIBIT ANTI-INFLAMMATORY ACTIVITY.
Inventors
- 👤 John Krapcho
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:49
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/10; C07D295/104; C07D295/108; C07D295/12; C07D295/125; C07D295/13
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
A COMPOUND HAVING THE NAME 2-METHYL-2-PIPERIDINO-3''(TRIFLUOROMETHYL)PROPIOPHENONE.
Claim 2
Dependent Claim
6 words
A COMPOUND HAVING THE NAME 2-METHYL-2-PIPERIDINO-3''(TRIFLUOROMETHYL)PROPIOPHENONE.
Claim 3
Dependent Claim
7 words
A compound having the name 2-methyl-2-piperidino-3''-(trifluoromethyl)-propiophenone, hydrochloride.
Claim 4
Dependent Claim
7 words
A compound having the name 2-methyl-2-piperidino-3''-(trifluoromethyl)-propiophenone, hydrochloride.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-08-18 | 1979-02-17 | 1979-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-18 | 1983-02-17 | 1983-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-18 | 1987-02-17 | 1987-08-19 | $7700.00 | Window Closed / Lapsed |