US4033756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dichloroacetamide treated rice seeds
Assignee: Chevron USA Inc
•
Filing: 1971-09-17
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Granted: 1977-07-05
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Expires: 1991-09-17
Abstract
Abstract Crop seed, particularly corn, grain sorghum and rice are protected from injury by a variety of herbicides particularly the thiocarbamates and some amide types by coating thereon a small, non-phytotoxic amount of an N-substituted amide of a chloro or bromo alkanoic acid, preferably an N-substituted dichloroacetamide.
Inventors
- 👤 Otto L. Hoffmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:00
CPC Classifications
A; A01; A01N; A01N43/00; A01N43/34; A01N43/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
The method of protecting rice seed comprising applying thereon a coating of an effective but substantially non-phytotoxic quantity of an amide of dichloroacetic acid sufficient to improve resistance of the rice to a pre-emergent thiolcarbamate herbicide.
Claim 2
Independent Claim
36 words
The method of protecting rice seed comprising applying thereon a coating of an effective but substantially non-phytotoxic quantity of an amide of dichloroacetic acid sufficient to improve resistance of the rice to a pre-emergent thiolcarbamate herbicide.
References Cited (Backward Citations)
US3131509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-07-04 | 1981-01-03 | 1981-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-04 | 1985-01-03 | 1985-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-04 | 1989-01-03 | 1989-07-05 | $7700.00 | Window Closed / Lapsed |