US3712805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weed control employing n,n-disubstituted amino acid herbicides
Assignee: Shell USA Inc
•
Filing: 1970-08-21
•
Granted: 1973-01-23
•
Expires: 1990-08-21
Abstract
Abstract N,N-DISUBSTITUTED AMINO ACID DERIVATIVES SUCH AS NBENZOYL-N-(3,4-DICHLOROPHENYL) ALANINE. HERBICIDAL COMPOSITIONS CONTAINING THEM, AND THEIR USE FOR CONTROLLING UNDESIRABLE PLANT GROWTH.
Inventors
- 👤 J Yates
- 👤 D Payne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:43
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/44; A01N37/46; C; C07; C07C; C07C233/00; C07C233/01; C07C233/45; C07C233/46
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |