US3050382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying an aminopyridine compound to soil and the product thereof to prevent nitrification in soil
Assignee: Dow Chemical Co
•
Filing: 1957-04-16
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Granted: 1962-08-21
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Expires: 1977-04-16
Abstract
No abstract record available.
Inventors
- 👤 Cleve A I Goring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:54
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
76 words
A METHOD USEFUL FOR SUPPRESSING THE NITRIFICATION OF AMMONIUM NITROGEN IN SOIL AND PREVENTING RAPID LOSS OF AMMONIUM NITROGEN THEREFROM, AND IMPROVING PLANT NUTRITION THEREIN WHICH COMPRISES IMPREGNATING SOIL BELOW THE SOIL SURFACE IN THE GROWING AREA THEREOF WITH AN AMINOPYRIDINE COMPOUND IN AN AMOUNT OF FROM ABOUT 2 TO 150 PARTS BY WEIGHT PER MILLION PARTS BY WEIGHT OF SOIL, WHEREIN SAID AMINOPYRIDINE COMPOUND IS SELECTED FROM THE GROUP CONSISTING (1) AMINOPYRIDINES HAVING THE FORMULA
Claim 2
Independent Claim
76 words
A METHOD USEFUL FOR SUPPRESSING THE NITRIFICATION OF AMMONIUM NITROGEN IN SOIL AND PREVENTING RAPID LOSS OF AMMONIUM NITROGEN THEREFROM, AND IMPROVING PLANT NUTRITION THEREIN WHICH COMPRISES IMPREGNATING SOIL BELOW THE SOIL SURFACE IN THE GROWING AREA THEREOF WITH AN AMINOPYRIDINE COMPOUND IN AN AMOUNT OF FROM ABOUT 2 TO 150 PARTS BY WEIGHT PER MILLION PARTS BY WEIGHT OF SOIL, WHEREIN SAID AMINOPYRIDINE COMPOUND IS SELECTED FROM THE GROUP CONSISTING (1) AMINOPYRIDINES HAVING THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |