Chemistry: fertilizers – Processes and products – Inorganic material
Patent
1978-08-01
1979-05-08
Schor, Kenneth M.
Chemistry: fertilizers
Processes and products
Inorganic material
423306, C05B 700, C05B 900
Patent
active
041534417
ABSTRACT:
Process for making magnesium potassium ammonium phosphate, using ammonia, urea, potassium hydroxide, magnesium hydroxide, and phosphoric acid with specified maxima of iron, alumina, and sulfate.
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patent: 3476510 (1969-11-01), Kern et al.
patent: 3490892 (1970-01-01), Simpson
Guithues William L.
Legal, Jr. Casimer C.
Harness Charles L.
Schor Kenneth M.
W. R. Grace & Co.
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