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US2614040A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of ammonization

Assignee: Kuhlmann SA
•
Filing: 1947-05-01
•
Granted: 1952-10-14
•
Expires: 1967-05-01
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Abstract

No abstract record available.

Inventors

  • 👤 Kaikinger Philippe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 23:36
CPC Classifications
C; C05; C05B; C05B7/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 226 words
A METHOD OF MANUFACTURING CONCENTRATED AND HIGHLY SOLUBLE TERNARY FERTILIZERS FROM RAW MATERIALS INCLUDING PHOSPHORIC ACID AND NITRIC ACID SOLUTIONS, POTASSIUM CHLORIDE AND GASEOUS AMMONIA, WHICH COMPRISES MAINTAINING IN A CLOSED REACTION CONTAINER, AT A TEMPERATURE WELL ABOVE THE NORMAL BOILING POINT OF WATER AND UNDER A SUBSTANTIALLY CONSTANT PRESSURE A LARGE AND RELATIVELY DEEP MASS OF A FLUID AQUEOUS PASTE PREVIOUSLY FORMED BY COMBINING SUCH MATERIALS THEREIN, CONTINUOUSLY COMBINING RELATIVELY SMALL STREAMS OF SAID MATERIALS INTO SAID MASS BY INTRODUCING POTASSIUM CHLORIDE WITH PHOSPHORIC ACID SOLUTION INTO AN UPPER ZONE OF THE MASS, INTRODUCING NITRIC ACID SOLUTION AT A REMOTE POINT INTO AN INTERMEDIATE ZONE OF THE MASS, INTRODUCING THE AMMONIA UNDER PRESSURE INTO A BOTTOM ZONE OF THE MASS AND BUBBLING IT THROUGH THE MASS AT A RATE EXCEEDING THAT REQUIRED TO AMMONIZE THE NITRIC ACID INFLOW AND DIAMMONIZE COMPLETELY THE PHOSPHORIC ACID INFLOW, THEREBY KEEPING SUBSTANTIALLY THE ENTIRE MASS WELL AGITATED AND DISTINCTLY ALKALINE AND CAUSING IMMEDIATE AMMONIZATION OF THE INFLOWING ACIDS SO AS TO AVOID DEGRADATIONS WITHIN THE MASS, BY REGULATING THE EXCESS AMMONIA INFLOW REGULATING THE TEMPERATURE OF THE MASS AND ITS STREAM PRESSURE SO THAT IT FORMS CONTINUOUSLY AS A FLUID AQUEOUS PASTE TO CRYSTALLINE SALTS IN A NORMALLY LIQUID AQUEOUS MEDIUM, AND WITHDRAWING FROM THE BOTTOM OF THE MASS SURPLUS PASTE THUS FORMED HAVING ITS PHOSPHATE CONTENT COMPLETELY DIAMMONIZED.
Claim 2
Independent Claim 226 words
A METHOD OF MANUFACTURING CONCENTRATED AND HIGHLY SOLUBLE TERNARY FERTILIZERS FROM RAW MATERIALS INCLUDING PHOSPHORIC ACID AND NITRIC ACID SOLUTIONS, POTASSIUM CHLORIDE AND GASEOUS AMMONIA, WHICH COMPRISES MAINTAINING IN A CLOSED REACTION CONTAINER, AT A TEMPERATURE WELL ABOVE THE NORMAL BOILING POINT OF WATER AND UNDER A SUBSTANTIALLY CONSTANT PRESSURE A LARGE AND RELATIVELY DEEP MASS OF A FLUID AQUEOUS PASTE PREVIOUSLY FORMED BY COMBINING SUCH MATERIALS THEREIN, CONTINUOUSLY COMBINING RELATIVELY SMALL STREAMS OF SAID MATERIALS INTO SAID MASS BY INTRODUCING POTASSIUM CHLORIDE WITH PHOSPHORIC ACID SOLUTION INTO AN UPPER ZONE OF THE MASS, INTRODUCING NITRIC ACID SOLUTION AT A REMOTE POINT INTO AN INTERMEDIATE ZONE OF THE MASS, INTRODUCING THE AMMONIA UNDER PRESSURE INTO A BOTTOM ZONE OF THE MASS AND BUBBLING IT THROUGH THE MASS AT A RATE EXCEEDING THAT REQUIRED TO AMMONIZE THE NITRIC ACID INFLOW AND DIAMMONIZE COMPLETELY THE PHOSPHORIC ACID INFLOW, THEREBY KEEPING SUBSTANTIALLY THE ENTIRE MASS WELL AGITATED AND DISTINCTLY ALKALINE AND CAUSING IMMEDIATE AMMONIZATION OF THE INFLOWING ACIDS SO AS TO AVOID DEGRADATIONS WITHIN THE MASS, BY REGULATING THE EXCESS AMMONIA INFLOW REGULATING THE TEMPERATURE OF THE MASS AND ITS STREAM PRESSURE SO THAT IT FORMS CONTINUOUSLY AS A FLUID AQUEOUS PASTE TO CRYSTALLINE SALTS IN A NORMALLY LIQUID AQUEOUS MEDIUM, AND WITHDRAWING FROM THE BOTTOM OF THE MASS SURPLUS PASTE THUS FORMED HAVING ITS PHOSPHATE CONTENT COMPLETELY DIAMMONIZED.

References Cited (Backward Citations)

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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) 1955-10-14 1956-04-14 1956-10-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-10-14 1960-04-14 1960-10-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-10-14 1964-04-14 1964-10-14 $7700.00 Window Closed / Lapsed

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