US4147729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
US4147729A - - Google Patents
Assignee: Lek Pharmaceuticals dd
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Filing: 1977-10-17
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Granted: 1979-04-03
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Expires: 1997-10-17
Abstract
Abstract 1-(3-Benzoylphenyl)-propine represented by the formula: ##STR1## useful as an intermediate is provided.
Inventors
- 👤 Boris Zupancic
- 👤 Branko Jenko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:59
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/45; C07C45/46; C07C45/61; C07C45/67; C07C45/68; C07C49/00; C07C49/76; C07C49/794; C07C49/796
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
The compound 1-(3-benzoylphenyl)-propine.
Claim 2
Dependent Claim
3 words
The compound 1-(3-benzoylphenyl)-propine.
References Cited (Backward Citations)
US3751446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-02 | 1982-10-02 | 1983-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-02 | 1986-10-02 | 1987-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-02 | 1990-10-02 | 1991-04-03 | $7700.00 | Window Closed / Lapsed |