Patent US3752661A successfully refreshed from Google Patents.
US3752661A
Expired / Lapsed
US
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Dinitrophenylazides as herbicides and their preparation
Assignee: Eli Lilly and Co
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Filing: 1970-05-25
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Granted: 1973-08-14
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Expires: 1990-05-25
Abstract
Abstract 2,6-DINITROPHENYLAZIDES, USEFUL AS HERBICIDES AND AS MICROBIOCIDES ARE DISCLOSED AS IS A PROCESS UTILIZING THEM AS INTERMEDIATES IN THE PREPARATION OF DINITROANILINE-TYPE HERBICIDES.
Inventors
- 👤 M Orlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:22
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/44; A01N37/48; A01N33/00; A01N33/26; A01N37/18; A01N37/22; A01N47/00; A01N47/40; A01N47/48
Claims Analysis
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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) | 1976-08-13 | 1977-02-12 | 1977-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-13 | 1981-02-12 | 1981-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-13 | 1985-02-12 | 1985-08-14 | $7700.00 | Window Closed / Lapsed |