US3135594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and product for treating soil to suppress the nitrification of ammonium nitrogen therein
Assignee: Dow Chemical Co
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Filing: 1961-09-01
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Granted: 1964-06-02
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Expires: 1981-09-01
Abstract
No abstract record available.
Inventors
- 👤 Cleve A L Goring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:11
CPC Classifications
C; C05; C05G; C05G3/00; C05G3/90; Y; Y10; Y10S; Y10S71/00; Y10S71/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A FERTILIZER COMPOSITION USEFUL FOR SUPPRESSING THE NITRIFICATION OF AMMONIUM NITROGEN IN GROWTH MEDIUM AND FOR PREVENTING RAPID LOSS OF AMMONIUM NITROGEN THEREFROM AND IMPROVING PLANT NITRITION THEREIN COMPRISING A REDUCED NITROGEN FERTILIZER AND 2-(TRICHLOROMETHYL)PYRIDINE AS THE (TRICHLOROMETHYL)PYRIDINE COMPOUND: WHEREIN SAID (TRICHLOROMETHYL)PYRIDINE COMPOUND IS PRESENT IN A CONCENTRATION OF AT LEAST ABOUT 0.05 PERCENT BY WEIGHT BASED ON THE WEIGHT OF THE REDUCED NITROGEN PRESENT IN THE FERTILIZER.
Claim 2
Dependent Claim
68 words
A FERTILIZER COMPOSITION USEFUL FOR SUPPRESSING THE NITRIFICATION OF AMMONIUM NITROGEN IN GROWTH MEDIUM AND FOR PREVENTING RAPID LOSS OF AMMONIUM NITROGEN THEREFROM AND IMPROVING PLANT NITRITION THEREIN COMPRISING A REDUCED NITROGEN FERTILIZER AND 2-(TRICHLOROMETHYL)PYRIDINE AS THE (TRICHLOROMETHYL)PYRIDINE COMPOUND: WHEREIN SAID (TRICHLOROMETHYL)PYRIDINE COMPOUND IS PRESENT IN A CONCENTRATION OF AT LEAST ABOUT 0.05 PERCENT BY WEIGHT BASED ON THE WEIGHT OF THE REDUCED NITROGEN PRESENT IN THE FERTILIZER.
References Cited (Backward Citations)
US2620266A
Cited
US2679453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |