Patent US3183073A successfully refreshed from Google Patents.
US3183073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fertilizer
Assignee: Individual
•
Filing: 1962-01-26
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Granted: 1965-05-11
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Expires: 1982-01-26
Abstract
No abstract record available.
Inventors
- 👤 Preston John Miles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:36
CPC Classifications
C; C05; C05B; C05B7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METHOD FOR PREPARING A LIQUID FERTILIZER WHICH COMPRISES ADDING TO PHSPHORIC ACID FROM 0.5% TO 7% BY WEIGHT OF A SUGAR TAKEN FROM THE GROUP CONSISTING OF SUCROSE, MALTOSE, LACTOSE, AND GLUCOSE, HEATING THE MIXTURE TO A CONCENTRATION IN EXCESS OF 75% P2O5, MIXING THE CONCENTRATED ACID WITH AN ALKALINE HYDROXIDE, THE CATION OF WHICH IS TAKEN FROM THE GROUP CONSISTING OF K+ AND NH4+ AND MAINTAINING THE MIXTURE AT A TEMPERATURE BELOW 180*F. TO FROM A STABILIZED LIQUID FERTILIZER REACTION PRODUCT.
Claim 2
Independent Claim
83 words
A METHOD FOR PREPARING A LIQUID FERTILIZER WHICH COMPRISES ADDING TO PHSPHORIC ACID FROM 0.5% TO 7% BY WEIGHT OF A SUGAR TAKEN FROM THE GROUP CONSISTING OF SUCROSE, MALTOSE, LACTOSE, AND GLUCOSE, HEATING THE MIXTURE TO A CONCENTRATION IN EXCESS OF 75% P2O5, MIXING THE CONCENTRATED ACID WITH AN ALKALINE HYDROXIDE, THE CATION OF WHICH IS TAKEN FROM THE GROUP CONSISTING OF K+ AND NH4+ AND MAINTAINING THE MIXTURE AT A TEMPERATURE BELOW 180*F. TO FROM A STABILIZED LIQUID FERTILIZER REACTION PRODUCT.
References Cited (Backward Citations)
US1768007A
Cited
US1950068A
Cited
US1950701A
Cited
US2005944A
Cited
US2270518A
Cited
US2350982A
Cited
US2770540A
Cited
US2929700A
Cited
US2869998A
Cited
US2955919A
Cited
US3015552A
Cited
US3074927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |