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:
Nov. 18, 2014
Filed:
Nov. 08, 2011
Garrard Lee Hargrove, Birmingham, AL (US);
Sriramakrishna Maruvada, Birmingham, AL (US);
Robert Scott Wilson, Sterrett, AL (US);
Nick Peter Wynnyk, Edmonton, CA;
Baozhong Xing, Loveland, CO (US);
Garrard Lee Hargrove, Birmingham, AL (US);
Sriramakrishna Maruvada, Birmingham, AL (US);
Robert Scott Wilson, Sterrett, AL (US);
Nick Peter Wynnyk, Edmonton, CA;
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 of a mixture including an isocyanate and a polyol, and further comprising a modified wax that may include a polyhydroxyl compound in which the wax and/or the polyhydroxyl compound are cross-linked with a sulfur or oxygen or a peroxide cross-linking moiety. In certain embodiments, the wax and polyhydroxyl compound are cross-linked at unsaturated sites in the wax or polyhydroxyl compound using heat, UV or ionizing radiation.