US 11,814,327 B2
Fertilizers containing animal nutrient core packet
Taylor Pursell, Mountain Brook, AL (US); Arthur R. Shirley, Jr., Florence, AL (US); Keith D. Cochran, Killen, AL (US); Joseph M. Miller, Killen, AL (US); Timothy G. Holt, Florence, AL (US); and Gregory S. Peeden, Killen, AL (US)
Assigned to Pursell Agri-Tech, LLC, Sylacauga, AL (US)
Filed by Pursell Agri-Tech, LLC, Sylacauga, AL (US)
Filed on Sep. 13, 2019, as Appl. No. 16/570,090.
Application 16/570,090 is a division of application No. 15/601,378, filed on May 22, 2017, granted, now 10,550,043.
Application 15/601,378 is a continuation of application No. 14/135,112, filed on Dec. 19, 2013, abandoned.
Application 14/135,112 is a continuation of application No. 13/007,492, filed on Jan. 14, 2011, abandoned.
Claims priority of provisional application 61/295,461, filed on Jan. 15, 2010.
Prior Publication US 2020/0002238 A1, Jan. 2, 2020
Int. Cl. C05B 17/00 (2006.01); C05C 9/00 (2006.01); C05G 5/30 (2020.01); C05C 1/00 (2006.01); C05C 5/02 (2006.01); C05C 5/04 (2006.01); C05C 9/02 (2006.01); C05D 9/02 (2006.01)
CPC C05B 17/00 (2013.01) [C05C 1/00 (2013.01); C05C 5/02 (2013.01); C05C 5/04 (2013.01); C05C 9/00 (2013.01); C05C 9/005 (2013.01); C05C 9/02 (2013.01); C05D 9/02 (2013.01); C05G 5/30 (2020.02)] 9 Claims
 
1. A process to produce fertilizer product granules, comprising:
a) providing core particles, wherein the core particles comprise core packets that consist of one or more animal nutrients or consist of a mixture of one or more one animal nutrients and a binder, wherein the one or more animal nutrients are selected from the group consisting of vitamin A, vitamin C, vitamin D, vitamin E, vitamin K, thiamin, riboflavin, niacin, vitamin B6, folic acid, vitamin B12, biotin, pantothenic acid, iron, iodine, magnesium, zinc, selenium, copper, manganese, chromium, molybdenum, boron, nickel, silicon, tin, vanadium, lutein, lycopene, and salts, chelates and combinations thereof, wherein the core packets having a surface are coated with a first coating comprising 84.4% to 98.7% urea;
b) introducing the core particles into a urea granulation process; and
c) spraying the core particles with a second coating comprising melted urea in said urea granulation process to yield granules, wherein the second coating is different in composition from the first coating and comprises one or more plant nutrients selected from the group consisting of a phosphorus compound, a potassium compound, a supplemental nitrogen compound, and a combination thereof;
wherein the urea granulation process is carried out in a fluid bed.