08-04-2021 дата публикации
Номер: US20210101848A1
Принадлежит:
A composite particle is described herein. The composite particle can contain a seed particle of an agricultural treatment material and a shell disposed on the seed particle, wherein the shell comprises a clay. 1. A composite particle , comprising:a seed particle comprising an agricultural treatment material; anda shell disposed on the seed particle, wherein the shell comprises a clay.2. The composite particle of claim 1 , wherein the agricultural treatment material is selected from the group consisting of a fertilizer claim 1 , a soil conditioner claim 1 , an absorbent polymer claim 1 , a pesticide claim 1 , and combination(s) thereof.3. The composite particle of claim 1 , wherein the clay is not calcined.4. The composite particle of claim 1 , wherein the agricultural treatment material is a clay selected from the group consisting of kaolin claim 1 , bauxite claim 1 , dikite claim 1 , ball clay claim 1 , halloysite claim 1 , montmorillonite claim 1 , calcium carbonate claim 1 , potash claim 1 , pyrophylite claim 1 , polysulphate claim 1 , kieselguhr claim 1 , endellite claim 1 , saponite claim 1 , rectorite claim 1 , sepiolite claim 1 , attapulgite claim 1 , hydrotalcite claim 1 , bentonite claim 1 , and combination(s) thereof.5. The composite particle of claim 2 , wherein the agricultural treatment material is a fertilizer selected from the group consisting of urea claim 2 , ammonium nitrate claim 2 , sodium nitrate claim 2 , phosphate rock claim 2 , fluorapatite claim 2 , hydroxyapatite claim 2 , potash claim 2 , potassium carbonate claim 2 , potassium hydroxide claim 2 , potassium chlorate claim 2 , potassium chloride claim 2 , potassium sulfate claim 2 , potassium permanganate claim 2 , potassium nitrate claim 2 , ammonium phosphate claim 2 , and combination(s) thereof.6. The composite particle of claim 2 , wherein the agricultural treatment material is a fertilizer selected from the group consisting of zinc claim 2 , boron claim 2 , manganese claim 2 , iron ...
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