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1965-06-18 |
1968-10-15 |
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1968-02-05 |
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1968-09-03 |
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1968-09-03 |
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1969-02-19 |
1972-08-22 |
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Method for synthesizing urea
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1969-06-11 |
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1969-06-11 |
1979-05-15 |
Mitsui Toatsu Chemicals, Inc. |
Process for controlling the temperature during urea synthesis
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1971-09-02 |
1973-02-22 |
Stamicarbon |
Procede pour la preparation d'uree
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1972-06-12 |
1977-07-19 |
Unie Van Kunstmestfabrieken, B.V. |
Process for preparing urea
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1973-05-21 |
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1974-03-29 |
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Method and apparatus for the continuous condensation of a gaseous mixture of ammonia, carbon dioxide and water vapour
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1976-01-21 |
1978-05-09 |
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Urea synthesis with improved heat recovery and conversion
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1977-05-05 |
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Montedison Spa |
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1978-11-30 |
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Preparation of urea
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1979-10-08 |
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1980-08-29 |
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1982-11-26 |
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Werkwijze voor het bereiden van ureum.
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Unie Van Kunstmestfab Bv |
Werkwijze voor de bereiding van ureum.
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Procedimento per la produzione di urea con elevato rendimento energetico.
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Wladimiro Bizzotto |
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Procedimento ad alta resa per la sintesi dell'urea
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