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US 8,262,765 B2Granted
Method of preparing a controlled release fertilizer
AssigneeAjinomoto North America, Inc.
InventorsPaul Summer, Randall Vos
Life of this patent
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Abstract
Methods of preparing a controlled release fertilizer include obtaining an amino acid fermentation byproduct liquor, and converting ammonium in the amino acid fermentation byproduct liquor to magnesium ammonium phosphate to obtain the controlled release fertilizer.
Claims17
A method of preparing a controlled release fertilizer, comprising:
- obtaining condensed corn fermentation solubles;
- and
- treating said condensed corn fermentation solubles with a source of magnesium and a source of phosphate to obtain a controlled release fertilizer comprising magnesium ammonium phosphate and residual bacterial cell mass,
- wherein the condensed corn fermentation solubles comprise a byproduct liquor from fermentative production of at least one amino acid selected from the group consisting of arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, glycine, serine, cysteine, tyrosine, alanine, aspartic acid, glutamic acid, proline, asparagine and glutamine.
1 more element
Dependencies are inferred from the claim text.