US2713536A
(en )
1955-07-19
Production of nitrogen-phosphorus compounds
US3713802A
(en )
1973-01-30
Reaction of phosphoric acid, urea, and ammonia
US4026696A
(en )
1977-05-31
Particulate multicomponent soil additive
US3375063A
(en )
1968-03-26
Ammonium polyphosphate preparation
US4026695A
(en )
1977-05-31
Particulate multicomponent soil additive
US3540874A
(en )
1970-11-17
Process for the production of ammonium polyphosphate
BE556226A
(instruction )
CA1052978A
(en )
1979-04-24
Manufacture of solid ammonium phosphate
Young et al.
1962
Fertilizer Technology, TVA Process for Production of Granular Diammonium Phosphate
US3313614A
(en )
1967-04-11
Method of making ammonium phoshatecontaining fertilizer
US2680679A
(en )
1954-06-08
Manufacture of fertilizers
US3770410A
(en )
1973-11-06
Production of potassium polyphosphates from phosphate acid sludges
US4531962A
(en )
1985-07-30
Production of acid-type fertilizer solutions
Ando et al.
1968
Magnesium ammonium phosphates, related salts and their behavior in compound fertilizers
US2867522A
(en )
1959-01-06
Method for producing fertilizers and bases from sludges
US2611691A
(en )
1952-09-23
Process of producing a compound fertilizer
US4101637A
(en )
1978-07-18
Direct granulation process for triple superphosphate
US4008314A
(en )
1977-02-15
Manufacture of solid ammonium phosphate
US3775534A
(en )
1973-11-27
Ammonium polyphosphate solutions from super wet acid
US1103115A
(en )
1914-07-14
Fertilizer and process for producing the same.
IL152032A
(en )
2006-06-11
Compounds and fertilizers with improved solubility
US3562778A
(en )
1971-02-09
Process for the production of ammonium polyphosphate
Nielsson et al.
1953
Nitric phosphates, manufacture from phosphate rock, nitric acid ammonia, and potassium or other soluble sulfates
US4292067A
(en )
1981-09-29
Production of urea-ammonium polyphosphates from urea phosphate
US3713801A
(en )
1973-01-30
Nitrogen-phosphate fertilizers and their manufacture