US2885401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making morphinan dertva-
Assignee: —
•
Filing: —
•
Granted: 1959-05-05
•
Expires: 1976-05-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:58
CPC Classifications
C; C07; C07D; C07D221/00; C07D221/02; C07D221/22; C07D221/28
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
1 words
3-HYDROXY-N-(P-AMINO-PHENYLETHYL)-MORPHINAN.
Claim 2
Dependent Claim
1 words
3-HYDROXY-N-(P-AMINO-PHENYLETHYL)-MORPHINAN.
Claim 3
Dependent Claim
11 words
A PROCESS FOR THE PREPARATION OF A COMPOUND HAVING THE FORMULA
Claim 4
Dependent Claim
11 words
A PROCESS FOR THE PREPARATION OF A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2524856A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |