Patent US3536723A successfully refreshed from Google Patents.
US3536723A
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US
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P - (2 - alkyloxy - benzoyl) - aminobenzoates of n - dialkylamine - alkyl and their quaternary salts
Assignee: A Menarini SAS
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Filing: 1967-09-19
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Granted: 1970-10-27
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Expires: 1987-09-19
Abstract
No abstract record available.
Inventors
- 👤 Mario Ghelardoni
- 👤 Filippo Russo
- 👤 Nicola Pisanti
- 👤 Giovanna Volterra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:35
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/14; C07C; C07C233/00; C07C233/01; C07C233/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |