US2783139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing ammoniated superphosphates
Assignee: Honeywell International Inc
•
Filing: 1953-05-13
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Granted: 1957-02-26
•
Expires: 1973-05-13
Abstract
No abstract record available.
Inventors
- 👤 Richard C Datin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:07
CPC Classifications
C; C05; C05B; C05B1/00; C05B1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE PROCESS OF PRODUCING AMMONIATED SUPERPHOSPHATE WHICH COMPRISING ACIDULATING PHOSPHATE ROCK CONTAINING FLUORINE IN THE PRESENCE OF ADDED SODIUM ION AND THEREAFTER AMMONIATEING THE SUPERHOSPHATE PRODUCED BY THE ACIDULATION EMPLOYING AT LEAST 1.6 MOLS OF AMMONIA PER MOL OF P2O5 OVER AND ABOVE THE AMOUNT OF AMMONIA REQUIRED TO NEUTRALIZE THAT PORTION OF THE ACID EMPLOYED DURING THE ACIDULATION WHICH IS IN EXCESS OVER THAT REQUILRED TO SOLUBILIZE THE P2O5 IN THE PHOSPHATE ROCK.
Claim 2
Dependent Claim
74 words
THE PROCESS OF PRODUCING AMMONIATED SUPERPHOSPHATE WHICH COMPRISING ACIDULATING PHOSPHATE ROCK CONTAINING FLUORINE IN THE PRESENCE OF ADDED SODIUM ION AND THEREAFTER AMMONIATEING THE SUPERHOSPHATE PRODUCED BY THE ACIDULATION EMPLOYING AT LEAST 1.6 MOLS OF AMMONIA PER MOL OF P2O5 OVER AND ABOVE THE AMOUNT OF AMMONIA REQUIRED TO NEUTRALIZE THAT PORTION OF THE ACID EMPLOYED DURING THE ACIDULATION WHICH IS IN EXCESS OVER THAT REQUILRED TO SOLUBILIZE THE P2O5 IN THE PHOSPHATE ROCK.
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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) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |