US2010275665A1PendingUtilityA1
Controlled release fertilizer composition
Est. expiryJul 16, 2028(~2 yrs left)· nominal 20-yr term from priority
C05G 3/00C05C 9/005C05G 5/36
47
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Claims
Abstract
A controlled release fertilizer composition and methods to produce the controlled release fertilizer composition are described. The controlled release fertilizer composition comprises a water soluble fertilizer core that is coated with a polymeric layer, intermediate layer, and a sulfur layer. If desired, the sulfur layer can be coated with an outer water-insoluble layer.
Claims
exact text as granted — not AI-modified1 . A controlled release fertilizer composition comprising a core of a water-soluble plant nutrient compound, the core coated with, in series proceeding from the core outward, a polymer layer, an intermediate layer, and a layer of elemental sulfur.
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