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US 12,054,441 B2Granted
Fertilizer coating for dust control and/or anti-caking
AssigneeArrMaz Products Inc.
InventorsD. Todd Parker, Mark Ogzewalla, Zachary T. Burrell
Life of this patent
Estimating the term…
Abstract
A method of reducing dust formation and/or caking in fertilizer or other particulates. The method comprises coating the fertilizer or other particulate in a coating comprising vacuum tower asphalt extender (VTAE). The VTAE may be a non-distilled fraction of vacuum distillation of used automotive and/or industrial oil. The VTAE may not be asphalt or bitumen, although the coating may further comprise bitumen.
Claims12
A fertilizer composite comprising:
- simple or complex fertilizer;
- and
- a coating at least partially covering the fertilizer, the coating comprising vacuum tower asphalt extender (VTAE), where the VTAE is bottoms from a vacuum distillation process and has a rotational viscosity of no more than 300 cP at a temperature of 135° C.
Dependencies are inferred from the claim text.