Patent US3091640A successfully refreshed from Google Patents.
US3091640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-(4-methoxyphenyl)-1-dimethylamino-2-phenyl ethane, acid addition salts and quaternary ammonium salts
Assignee: Boehringer Ingelheim Pharma GmbH and Co KG
•
Filing: 1960-02-04
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Granted: 1963-05-28
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Expires: 1980-02-04
Abstract
No abstract record available.
Inventors
- 👤 Seeger Ernst
- 👤 Kottler August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:57
CPC Classifications
C; C07; C07C; C07C211/00; C07C211/01; C07C211/26; C07C211/29; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 1-(METHOXY-PHENYL)-1-DIMETHYLAMINO-2-PHENYLETHANE, ITS ACID ADDITION SALTS WITH PHARMACOLOGICALLY USEFUL ACIDS, AND ITS QUATERNARY SALTS WITH PHARACOLOGICALLY USEFUL QUATERNIZING RADICALS AND IONS.
Claim 2
Dependent Claim
28 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 1-(METHOXY-PHENYL)-1-DIMETHYLAMINO-2-PHENYLETHANE, ITS ACID ADDITION SALTS WITH PHARMACOLOGICALLY USEFUL ACIDS, AND ITS QUATERNARY SALTS WITH PHARACOLOGICALLY USEFUL QUATERNIZING RADICALS AND IONS.
References Cited (Backward Citations)
US2506588A
Cited
GB802724A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |