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:
May. 16, 2023
Filed:
Feb. 06, 2019
Rynan Technologies Pte. Ltd., Singapore, SG;
My T. Nguyen, Tra Vinh, VN;
Hoa V. Tran, Tra Cu District, VN;
Man M. Ly, Tran De District, VN;
Van T. Kim, Tra Vinh, VN;
Nhien H. Le, Can Tho, VN;
Na Thach, Tra Cu District, VN;
Sony T. Vo, Cang Long District, VN;
Vinh Q. Nguyen, Tieu Can District, VN;
RYNAN TECHNOLOGIES PTE LTD., Singapore, SG;
Abstract
There is provided a nitrogen fertilizer granule in which the nitrogen release can be timed and the nitrogen release rate can be controlled according to the needs of the plants to be fertilized. The smart release nitrogen-containing fertilizer granule comprises a nitrogen-containing fertilizer core; an organic functional layer covering the core, wherein the organic functional layer comprises at least one functional organic compound that is an enzyme inhibitor, a microbial suppressor, a phosphorus solubilizer, and/or a plant hormone; a controlled release layer covering the organic functional layer, wherein the controlled release layer comprises water-swellable copolymeric nanoparticles; and an anticaking layer covering the controlled release layer, wherein the anticaking layer comprises water-insoluble copolymeric nanoparticles.