Chemistry: fertilizers – Processes and products – Forms or conditioning
Reexamination Certificate
2007-01-17
2010-12-14
Vanoy, Timothy C (Department: 1793)
Chemistry: fertilizers
Processes and products
Forms or conditioning
C071S064020
Reexamination Certificate
active
07850758
ABSTRACT:
A particle is provided with simultaneous delivery of a fertilizer and an active agent that when adhered to foliage causes a chemical burn thereto. A hydrophobic coating is provided intermediate between the fertilizer core and the active agent to inhibit moisture absorption by the particle that renders the particle tacky and therefore adherent to target foliage. The active agent granule is adhered to the hydrophobic coating or at least partially embedded therein based on the nature of the formation process. The particle is also provided that includes a second fertilizer layer exterior to the hydrophobic coating with the second fertilizer layer is substantially devoid of water soluble nitrogen compounds. Active agent granules are then adhered to the second fertilizer layer. The resultant particles reduce chemical burning associated with combined fertilizer and active agent usage, especially under dispersant conditions of high temperature and high humidity.
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Birthisel Timothy D.
Lynch James R.
Smith Robin
Gifford Krass Sprinkle Anderson & Citkowski P.C.
Hou Michelle
The Andersons, Inc.
Vanoy Timothy C
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