US3557211A
Expired / Lapsed
US
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Substituted n,n'-bis(acetyl)-o-phenylene diamines
Assignee: Tenneco Chemicals Inc
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Filing: 1967-10-25
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Granted: 1971-01-19
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Expires: 1987-10-25
Abstract
Abstract COMPOUNDS HAVING THE STRUCTURAL FORMULA 1,2-BIS((X-)3-C-CO-NH-),(Y)N-BENZENE WHEREIN EACH X REPRESENTS HYDROGEN, CHLORINE, OR FLUORINE AND EACH Y REPRESENTS, HALOGEN, LOWER ALKYL, LOWER ALKOXY, CYANO, TRIFLUOROMETHYL, OR NITRO, AND N REPRESENTS AN INTEGER IN THE RANGE OF FOUR; ARE USEFUL IN THE CONTROL OF THE GROWTH OF PLANTS; INSECTS, AND FUNGI. ILLUSTRATIVE OF THESE COMPOUNDS ARE N,N''-BIS(TRICHLOROACETYL)-4,5-DICHLORO-OPHENYLENE DIAMINE, N,N''-BIS(CHLOROACETYL)-4,5-DICHLOROO-PHENYLENE DIAMINE, AND N,N''-BIS(TRIFLUOROACETYL)-3,4,5TRIBROMO-O-PHENYLENE DIAMINE.
Inventors
- 👤 Edmund J Rumanowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:27
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/18; A01N37/22; C; C07; C07C; C07C233/00
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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |