Preparation of a potassium phosphate based composition

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United States of America Patent

PATENT NO 8475558
APP PUB NO 20100311584A1
SERIAL NO

12744964

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Abstract

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Provided is a freely flowing particulate fertilizer essentially consisting of potassium phosphate of the formula K3H3(PO4)2 and of less than 8 wt % water. The stable and not caking fertilizer is characterized by an XRD signal corresponding to 2-theta of about 70°. An economic process for making the fertilizer is also provided consisting in reacting KOH and monopotassium phosphate (KH2PO4) in water, heating the mixture under vacuum and cooling it down, thereby obtaining the particulate fertilizer.

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Patent Owner(s)

Patent OwnerAddress
ROTEM AMFERT NEGEV LTD86800 M P ARAVA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Josef, Alexander Arad, IL 4 12
Zukerman, Itshak Arad, IL 3 5

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