US3898075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized liquid compositions
Assignee: Individual
•
Filing: 1972-07-03
•
Granted: 1975-08-05
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Expires: 1992-07-03
Abstract
Abstract A stabilized liquid composition containing an m-biscarbamate, for use as a herbicide.
Inventors
- 👤 Heinz-Eberhard Freund
- 👤 Alfred Czyzewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:40
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/22
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
15 words
IN A HERBICIDAL LIQUID COMPOSITION CONSISTING ESSENTIALLY OF (A) A HERBICIDAL COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
15 words
IN A HERBICIDAL LIQUID COMPOSITION CONSISTING ESSENTIALLY OF (A) A HERBICIDAL COMPOUND HAVING THE FORMULA:
Claim 3
Dependent Claim
42 words
A composition of claim 1 wherein the organic acid is selected from the group consisting of slycollic acid, lactic acid, citric acid, phthalic acid, 5-nitroisophthalic acid, 2-nitrobenzoic acid, 4-chloro-3,5-dinitrobenzoic acid, metanesilfonic acid, 2-chloro-3,5-dinitrobenzoic acid, benzenesulfonic acid, p-toluene sulfonic acid, and tetrapropylenebenzenesulfonic acid.
Claim 4
Dependent Claim
23 words
A composition according to claim 2 wherein the organic acid is present in an amount from about 0.25% to about 1%, by weight.
Claim 5
Dependent Claim
35 words
A method for stabilizing liquid herbicidal compositions as defined in claim 1 by incorporating therein at least one organic acid stabilizer according to claim 1 in an amount of from about 0.05% to about 5%.
Claim 6
Dependent Claim
20 words
A method according to claim 4 wherein the organic acid stabilizer is selected from the group defined in claim 2.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-08-04 | 1979-02-03 | 1979-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-04 | 1983-02-03 | 1983-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-04 | 1987-02-03 | 1987-08-05 | $7700.00 | Window Closed / Lapsed |