US2796435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of 4(diethylaminoethoxy)-diphenylpropane
Assignee: F Hoffmann La Roche AG
•
Filing: 1955-02-16
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Granted: 1957-06-18
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Expires: 1975-02-16
Abstract
No abstract record available.
Inventors
- 👤 Goldberg Moses Wolf
- 👤 Rachlin Albert Israel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:27
CPC Classifications
C; C07; C07C; C07C39/00; C07C39/205; C07C39/21; C07C39/215
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A MEMBER OF THE GROUP CONSISTING OF 1 - (P - (BDIETHYLAMINOETHOXY) PHENYL) - 3 - PHENYLBUTANE AND 3(P - (B -DIETHYLAMINOETHOXY) PHENYL) - 1 - PHENYLBUTANE.
Claim 2
Dependent Claim
27 words
A MEMBER OF THE GROUP CONSISTING OF 1 - (P - (BDIETHYLAMINOETHOXY) PHENYL) - 3 - PHENYLBUTANE AND 3(P - (B -DIETHYLAMINOETHOXY) PHENYL) - 1 - PHENYLBUTANE.
References Cited (Backward Citations)
US2703324A
Cited
US2668850A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |