US 12,110,258 B2
Coated fertilizer containing urease inhibitor
Yogesh Omprakash Sharma, Bangalore (IN); Nilkamal Bag, Bangalore (IN); Srinivasa Rao Boddu, Bangalore (IN); Samik Gupta, Bangalore (IN); and Khalid Al-Rohily, Riyadh (SA)
Assigned to SABIC AGRI-NUTRIENTS COMPANY, Jubail (SA)
Appl. No. 17/295,096
Filed by SABIC Agri-Nutrients Company, Jubail (SA)
PCT Filed Nov. 18, 2019, PCT No. PCT/IB2019/059888
§ 371(c)(1), (2) Date May 19, 2021,
PCT Pub. No. WO2020/104916, PCT Pub. Date May 28, 2020.
Claims priority of provisional application 62/769,672, filed on Nov. 20, 2018.
Prior Publication US 2022/0098125 A1, Mar. 31, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C05G 1/00 (2006.01); A01C 21/00 (2006.01); C05B 1/02 (2006.01); C05C 9/00 (2006.01); C05D 5/00 (2006.01); C05G 3/90 (2020.01); C05G 5/35 (2020.01)
CPC C05G 1/00 (2013.01) [A01C 21/00 (2013.01); C05B 1/02 (2013.01); C05C 9/00 (2013.01); C05D 5/00 (2013.01); C05G 3/90 (2020.02); C05G 5/35 (2020.02)] 20 Claims
OG exemplary drawing
 
1. A coated fertilizer comprising:
a fertilizer core comprising a urea-based fertilizer; and
a powder coating in direct contact with at least a portion of the surface of the fertilizer core, wherein the powder coating comprises magnesium oxide, a urease inhibitor, and a superphosphate.
 
16. A method for producing a coated fertilizer of claim 1, the method comprising combining:
a urea-based fertilizer core; and
a powder coating composition comprising magnesium oxide particles, a urease inhibitor, and superphosphate particles,
under conditions sufficient to form a coating of the powder coating composition on at least a portion of the surface of the fertilizer core.
 
20. A method of fertilizing, the method comprising applying the coated fertilizer of claim 1 to at least one of a soil, a crop, or a soil and a crop.