Patent Number: 10,029,954

Title: Liquid fertilizer composition containing color change indicator

Abstract: A liquid fertilizer adjuvant composition is provided that includes a fertilizer, a pH buffering agent, a surfactant, and one or more color indicator that produce a first color change that indicates when an pre-selected first level of field treatment has been achieved. The composition is provided as a single solution. A second color change occurs when a pre-selected second, higher level of field treatment is required. The color change indicative of a pre-selected pH, water hardness, or a combination of both. The composition is particular well suited for inclusion of a urea fertilizer.

Inventors: Fanning; Barry (Sycamore, OH)

Assignee: The Andersons, Inc.

International Classification: C05G 1/00 (20060101); C05C 11/00 (20060101); C05C 1/00 (20060101); C05C 5/04 (20060101); C05D 9/02 (20060101); C05B 17/00 (20060101); C05G 3/06 (20060101); C05G 3/02 (20060101); C05C 7/00 (20060101); C05C 3/00 (20060101); C05C 9/00 (20060101); A01N 57/20 (20060101); C05B 7/00 (20060101); C05G 3/00 (20060101)

Expiration Date: 2022-07-24 0:00:00