Chemistry: fertilizers – Processes and products – Inorganic material
Patent
1992-11-30
1994-11-22
Lander, Ferris
Chemistry: fertilizers
Processes and products
Inorganic material
71 6407, 71 6411, C05D 102
Patent
active
053665341
ABSTRACT:
A granulated potassium sulfate product suitable for coating or other rigorous handling and a process for producing the product. The granulated potassium sulfate product comprises a hardening agent, e.g., ammonium phosphate, and a coating agent, e.g., aluminum sulfate.
REFERENCES:
patent: 3620709 (1969-04-01), Petkovsek
patent: 4385920 (1983-05-01), Dancy et al.
patent: 4743289 (1988-05-01), Mickus et al.
patent: 4846871 (1989-07-01), Detroit
Fischbein Milton
Shirley, Jr. Arthur R.
Lander Ferris
Sherritt Inc.
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