US2973265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Animal feed supplement
Assignee: International Minerals and Chemical Corp
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Filing: 1957-04-29
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Granted: 1961-02-28
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Expires: 1977-04-29
Abstract
No abstract record available.
Inventors
- 👤 Marvin B Gillis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:59
CPC Classifications
A; A23; A23K; A23K20/00; A23K20/20; A23K20/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
212 words
A METHOD OF PREPARING A CALCIUM PHOSPHATE-CONTAINING LIVESTOCK AND POULTRY FEED SUPPLEMENT WHICH COMPRISES THE STEPS OF REACTING AN AQUEOUS PHOSPHORIC ACID SOLUTION WITH COMPOUNDS OF COBALT, COPPER, IRON, MANGANESE AND ZINC, SAID ACID CONTAINING LESS THAN ABOUT ONE PART OF FLUORINE PER 100 PARTS OF PHOSPHORUS, SAID COBALT COMPOUND BEING ADDED IN AN AMOUNT TO PROVIDE BETWEEN ABOUT 10 AND ABOUT 1,000 PARTS OF COBALT, SAID COPPER COMPOUND BEING ADDED IN AN AMOUNT TO PROVIDE BETWEEN ABOUT 1,000 AND ABOUT 15,000 PARTS OF COPPER, SAID IRON COMPOUND BEING ADDED IN AN AMOUNT TO PROVIDE BETWEEN ABOUT 1,000 AND ABOUT 50,000 PARTS OF IRON, SAID MANGANESE COMPOUND BEING ADDED IN AN AMOUNT TO PROVIDE BETWEEN ABOUT 500 AND ABOUT 30,000 PARTS OF MANGANESE, AND SAID ZINC COMPOUND BEING ADDED IN AN AMOUNT TO PROVIDE BETWEEN ABOUT 1,000 AND ABOUT 50,000 PARTS OF ZINC PER MILLION PARTS OF PHOSPHORUS IN SAID PHOSPHORIC ACID SOLUTION, REACTING A CALCIUM COMPOUND WITH THE FREE PHOSPHORIC ACID REMAINING IN SOLUTION AFTER REACTION WITH THE COMPOUNDS OF COBALT, COPPER, IRON, MANGANESE AND ZINC, WHEREBY A SLURRY IS FORMED BY THE PRECIPITATION OF A SOLID CALCIUM ORTHOPHOSPHATE MATERIAL, SAID MATERIAL HAVING COMPOUNDS OF COBALT, COPPER, IRON, MANGANESE AND ZINC DISTRIBUTED THROUGHOUT THE SOLID, AND RECOVERING SAID SOLID ORTHOPHOSPHATE MATERIAL.
Claim 2
Independent Claim
212 words
A METHOD OF PREPARING A CALCIUM PHOSPHATE-CONTAINING LIVESTOCK AND POULTRY FEED SUPPLEMENT WHICH COMPRISES THE STEPS OF REACTING AN AQUEOUS PHOSPHORIC ACID SOLUTION WITH COMPOUNDS OF COBALT, COPPER, IRON, MANGANESE AND ZINC, SAID ACID CONTAINING LESS THAN ABOUT ONE PART OF FLUORINE PER 100 PARTS OF PHOSPHORUS, SAID COBALT COMPOUND BEING ADDED IN AN AMOUNT TO PROVIDE BETWEEN ABOUT 10 AND ABOUT 1,000 PARTS OF COBALT, SAID COPPER COMPOUND BEING ADDED IN AN AMOUNT TO PROVIDE BETWEEN ABOUT 1,000 AND ABOUT 15,000 PARTS OF COPPER, SAID IRON COMPOUND BEING ADDED IN AN AMOUNT TO PROVIDE BETWEEN ABOUT 1,000 AND ABOUT 50,000 PARTS OF IRON, SAID MANGANESE COMPOUND BEING ADDED IN AN AMOUNT TO PROVIDE BETWEEN ABOUT 500 AND ABOUT 30,000 PARTS OF MANGANESE, AND SAID ZINC COMPOUND BEING ADDED IN AN AMOUNT TO PROVIDE BETWEEN ABOUT 1,000 AND ABOUT 50,000 PARTS OF ZINC PER MILLION PARTS OF PHOSPHORUS IN SAID PHOSPHORIC ACID SOLUTION, REACTING A CALCIUM COMPOUND WITH THE FREE PHOSPHORIC ACID REMAINING IN SOLUTION AFTER REACTION WITH THE COMPOUNDS OF COBALT, COPPER, IRON, MANGANESE AND ZINC, WHEREBY A SLURRY IS FORMED BY THE PRECIPITATION OF A SOLID CALCIUM ORTHOPHOSPHATE MATERIAL, SAID MATERIAL HAVING COMPOUNDS OF COBALT, COPPER, IRON, MANGANESE AND ZINC DISTRIBUTED THROUGHOUT THE SOLID, AND RECOVERING SAID SOLID ORTHOPHOSPHATE MATERIAL.
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) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |