US3142558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fertilizer containing ammelide-urea mixture
Assignee: Honeywell International Inc
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Filing: 1962-02-19
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Granted: 1964-07-28
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Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 Leland J Beckham
- 👤 Fred L Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:51
CPC Classifications
C; C05; C05C; C05C9/00; C05B; C05B1/00; C05B1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
THE METHOD OF PREPARING ACIDIC MIXED FERTILIZER COMPRISING MIXING POTASH AND SUPERPHOSPHATES, AMMONIATING THE MIXTURE, AND ADDING A MIXTURE OF UREA AND AMMELIDE PRODUCT OBTAINED BY THE PYROLYSIS OF UREA AT TEMPERATURES OF 180*-250*C. UNDER PRESSURE OF 1 TO 10 ATMOSPHERES SAID AMMELIDE PRODUCT CONSISTING ESSENTIALLY OF AMMELIDE AND LESS THAN 1% CYANURIC ACID BASED ON THE AMMELIDE THEREIN, THE UREA: AMMELIDE PROPORTIONSBEING CONFINED TO 20-30 PERCENT UREA AND 80-70 PERCENT AMMELIDE.
Claim 2
Independent Claim
72 words
THE METHOD OF PREPARING ACIDIC MIXED FERTILIZER COMPRISING MIXING POTASH AND SUPERPHOSPHATES, AMMONIATING THE MIXTURE, AND ADDING A MIXTURE OF UREA AND AMMELIDE PRODUCT OBTAINED BY THE PYROLYSIS OF UREA AT TEMPERATURES OF 180*-250*C. UNDER PRESSURE OF 1 TO 10 ATMOSPHERES SAID AMMELIDE PRODUCT CONSISTING ESSENTIALLY OF AMMELIDE AND LESS THAN 1% CYANURIC ACID BASED ON THE AMMELIDE THEREIN, THE UREA: AMMELIDE PROPORTIONSBEING CONFINED TO 20-30 PERCENT UREA AND 80-70 PERCENT AMMELIDE.
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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |