US2996371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for solubilizing iron in the soil utilizing 1-nitroso naphthalene sulfonates
Assignee: Monsanto Chemicals Ltd
•
Filing: 1957-08-19
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Granted: 1961-08-15
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Expires: 1977-08-19
Abstract
No abstract record available.
Inventors
- 👤 Seifter Eli
- 👤 Phillips Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:49
CPC Classifications
C; C05; C05D; C05D9/00; C05D9/02; Y; Y10; Y10S; Y10S71/00; Y10S71/903
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
21 words
PROCESS FOR THE TREATMENT OF SOIL CONTAINING INSOLUBLE IRON COMPOUNDS WHICH COMPRISES TREATING THE SAID SOIL WITH A 1-NITROSO NAPHTHALENE SULFONATE.
Claim 2
Dependent Claim
21 words
PROCESS FOR THE TREATMENT OF SOIL CONTAINING INSOLUBLE IRON COMPOUNDS WHICH COMPRISES TREATING THE SAID SOIL WITH A 1-NITROSO NAPHTHALENE SULFONATE.
Claim 3
Dependent Claim
18 words
A SOIL TREATING COMPOSITION COMPRISING AS AN ESSENTIAL COMPONENT THEREOF A FERTILIZER TOGETHER WITH A 1NITROSO NAPHTHALENE SULFONATE.
Claim 4
Dependent Claim
18 words
A SOIL TREATING COMPOSITION COMPRISING AS AN ESSENTIAL COMPONENT THEREOF A FERTILIZER TOGETHER WITH A 1NITROSO NAPHTHALENE SULFONATE.
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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |