The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 29, 2014
Filed:
Nov. 08, 2011
Romem Avdala, Sylacauga, AL (US);
Leslie L. Carstens, Thorhild, CA;
Garrard Lee Hargrove, Birmingham, AL (US);
Sriramakrishna Maruvada, Birmingham, AL (US);
Baozhong Xing, Loveland, CO (US);
Romem Avdala, Sylacauga, AL (US);
Leslie L. Carstens, Thorhild, CA;
Garrard Lee Hargrove, Birmingham, AL (US);
Sriramakrishna Maruvada, Birmingham, AL (US);
Baozhong Xing, Loveland, CO (US);
Agrium Advanced Technologies (U.S.) Inc., Loveland, CO (US);
Abstract
A controlled release fertilizer material comprising a particulate plant nutrient surrounded by a coating which is the reaction product of a mixture including a cross-linked polyol, an isocyanate and a wax is described. The cross-linked polyol is a reaction product of a polyhydroxyl compound, such as glycerol, and a triglyceride and the monoglyceride and/or diglyceride products are cross-linked with sulfur, oxygen and/or a peroxide cross-linking moiety, or are directly cross-linked at unsaturated sites in the monoglycerides and/or diglycerides.