US3564768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated corn seed
Assignee: Chevron USA Inc
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Filing: 1968-10-25
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Granted: 1971-02-23
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Expires: 1988-10-25
Abstract
Abstract CORN IS PROTECTED FROM INJURY BY N, N-DIALKYLTHIOLCARBAMATE ESTER PRE-EMERGENT HERBICIDES BY COATING THE CORN SEEDS PRIOR TO PLANTING WITH A NON-PHYTOTOXIC QUANTITY OF A BIFUNCTIONAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF 1,8-NAPHTHALIC ANHYDRIDE, LOWER ALKYUL 1,8-NAPHTHALATE ESTERS, N,N-DIALLYL-1,8-NAPHTHALAMIC ACID, BARIUM AND TIN 1,8-NAPHTHALATES, 1,8-NAPHTHALIC ACID, PROPYNYLAMINE SALTS OF STRONG INORGANIC ACIDS, N,N''-DIALLYLOXAMIDE, N,N''-DIPROPYNYLOXAMIDE, N,N,N'',N''-TETRAPROPYNYLOXAMIDE AND N,N''-DIPROPYNYLMALONAMIDE.
Inventors
- 👤 Otto L Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:41
CPC Classifications
C; C07; C07C; C07C63/00; C07C63/33; C07C63/337; C07C63/34; C07C63/38; A; A01; A01N; A01N25/00; A01N25/32; A01N37/00; A01N37/10; A01N37/14; A01N37/18; A01N37/30; A01N43/00; A01N43/02; A01N43/24; A01N43/26; A45; A45F; A45F5/00; A45F5/10; C07C333/00; C07C333/02
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |