US3111404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a granular ammonium humate fertilizer
Assignee: Concho Petroleum Co
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Filing: 1961-11-06
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Granted: 1963-11-19
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Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 John C Karcher
- 👤 Charles L Canfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:06
CPC Classifications
C; C08; C08H; C08H99/00; C05; C05F; C05F11/00; C05F11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
THE METHOD OF FORMING A FERTILIZER WHICH COMPRISES THE STEPS OF: (A) CRUSHING AN ORE CONTAINING HUMIC ACID AND METAL HUMATES, (B) ADMIXING THE CRUSHED ORE WITH AN AQUEOUS SOLUTION CONTAINING BETWEEN ABOUT 1% AND 5% BY WEIGHT OF ORTHOPHOSPHORIC ACID TO FORM A SLURRY, (C) MAINTAINING SAID CRUSHED ORE ADMIXED WITH SAID AQUEOUS SOLUTION OR ORTHOPHOSPHORIC ACID FOR A PERIOD OF TIME OF AT LEAST ABOUT ONE HOUR WHEREBY SAID ORTHOPHOSPHORIC ACID REPLACES METAL IONS OF SAID HUMATES WITH HYDROGEN IONS TO FORM HUMIC ACID, (D) THEREAFTER MIXING ANHYDROUSAMMONIA WITH SAID SLURRY IN AN AMOUNT EQUAL TO ABOUT 4% BY 15% BY WEIGHT OF SAID ORE IN SAID SLURRY, (E) AGITATING SAID SLURRY CONTAINING SAID AMMONIA FOR A PERIOD OF TIME OF AT LEAST FIVE HOURS TO EFFECT REACTION OF HUMIC ACID WITH SAID AMMONIA TO FORM COLLOIDALLY DISPERSED AMMONIUM HUMATE IN SAID SLURRY, (F) SEPARATING UNDISSOLVED COMPONENTS OF SAID ORE FROM SAID SLURRY CONTAINING SAID COLLOIDALLY DISPERSED AMMONIUM HUMATE, AND (G) SUBJECTING SAID SLURRY CONTAINING SAID COLLOIDALLY DISPERSED AMMONIUM HUMATE TO DRYING TO OBTAIN SAID AMMONIUM HUMATE IN GRANULAR FORM.
Claim 2
Independent Claim
182 words
THE METHOD OF FORMING A FERTILIZER WHICH COMPRISES THE STEPS OF: (A) CRUSHING AN ORE CONTAINING HUMIC ACID AND METAL HUMATES, (B) ADMIXING THE CRUSHED ORE WITH AN AQUEOUS SOLUTION CONTAINING BETWEEN ABOUT 1% AND 5% BY WEIGHT OF ORTHOPHOSPHORIC ACID TO FORM A SLURRY, (C) MAINTAINING SAID CRUSHED ORE ADMIXED WITH SAID AQUEOUS SOLUTION OR ORTHOPHOSPHORIC ACID FOR A PERIOD OF TIME OF AT LEAST ABOUT ONE HOUR WHEREBY SAID ORTHOPHOSPHORIC ACID REPLACES METAL IONS OF SAID HUMATES WITH HYDROGEN IONS TO FORM HUMIC ACID, (D) THEREAFTER MIXING ANHYDROUSAMMONIA WITH SAID SLURRY IN AN AMOUNT EQUAL TO ABOUT 4% BY 15% BY WEIGHT OF SAID ORE IN SAID SLURRY, (E) AGITATING SAID SLURRY CONTAINING SAID AMMONIA FOR A PERIOD OF TIME OF AT LEAST FIVE HOURS TO EFFECT REACTION OF HUMIC ACID WITH SAID AMMONIA TO FORM COLLOIDALLY DISPERSED AMMONIUM HUMATE IN SAID SLURRY, (F) SEPARATING UNDISSOLVED COMPONENTS OF SAID ORE FROM SAID SLURRY CONTAINING SAID COLLOIDALLY DISPERSED AMMONIUM HUMATE, AND (G) SUBJECTING SAID SLURRY CONTAINING SAID COLLOIDALLY DISPERSED AMMONIUM HUMATE TO DRYING TO OBTAIN SAID AMMONIUM HUMATE IN GRANULAR FORM.
References Cited (Backward Citations)
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Cited
US1584130A
Cited
US1858230A
Cited
US2093047A
Cited
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Cited
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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) | 1966-11-18 | 1967-05-20 | 1967-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-18 | 1971-05-20 | 1971-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-18 | 1975-05-20 | 1975-11-19 | $7700.00 | Window Closed / Lapsed |