Patent US2879293A successfully refreshed from Google Patents.
US2879293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Benzylamine derivatives
Assignee: F Hoffmann La Roche AG
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Filing: 1957-02-19
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Granted: 1959-03-24
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Expires: 1977-02-19
Abstract
No abstract record available.
Inventors
- 👤 Goldberg Moses Wolf
- 👤 Teitel Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:45
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A MEMBER OF THE GROUP CONSISTING OF 2-(DILOWER ALKYL-AMINO-LOWER ALKOXY)-N-(3,4,5-TRIMETHOXYBENZOYL)BENZYLAMINE, 4-(DILOWER ALKYL-AMINO-LOWER ALKOXY)-N(3,4,5-TRIMETHOXYBENZOYL)BENZYLAMINE AND ACID ADDITION SALTS THEREOF.
Claim 2
Dependent Claim
18 words
A MEMBER OF THE GROUP CONSISTING OF 2-(DILOWER ALKYL-AMINO-LOWER ALKOXY)-N-(3,4,5-TRIMETHOXYBENZOYL)BENZYLAMINE, 4-(DILOWER ALKYL-AMINO-LOWER ALKOXY)-N(3,4,5-TRIMETHOXYBENZOYL)BENZYLAMINE AND ACID ADDITION SALTS THEREOF.
References Cited (Backward Citations)
US2025587A
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US1941647A
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US2495772A
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US2552241A
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US2608581A
Cited
US2571325A
Cited
US2773900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |