US 10,889,527 B2
Aqueous dispersions of potassium calcium polyphosphate
Ugesh Chand, Eagleby (AU)
Assigned to Liquid Fertiliser Pty Ltd, Queensland (AU)
Appl. No. 15/766,649
Filed by LIQUID FERTILISER PTY LTD, Yatala (AU)
PCT Filed Oct. 6, 2016, PCT No. PCT/AU2016/050940
§ 371(c)(1), (2) Date Apr. 6, 2018,
PCT Pub. No. WO2017/059492, PCT Pub. Date Apr. 13, 2017.
Claims priority of provisional application 62/238,889, filed on Oct. 8, 2015.
Prior Publication US 2019/0062230 A1, Feb. 28, 2019
Int. Cl. C05B 13/06 (2006.01); A01C 21/00 (2006.01)
CPC C05B 13/06 (2013.01) [A01C 21/00 (2013.01)] 14 Claims
 
1. An aqueous dispersion comprising:
i. water; and
ii. potassium calcium polyphosphate dispersed within the water, where said dispersion is characterized by a particle size distribution wherein at least 90% of the particles within the dispersion have a particle size of less than 1 micron, and where said aqueous dispersion includes from 15% to 25% w/w suspended particles having a particle size of less than 1 micron.