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:
Feb. 28, 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, Paya Lebar Square, SG;
Abstract
There is provided a smart release potash fertilizer granule comprising a potash core; an extended release layer covering the potash core, wherein the extended release layer comprises water-swellable copolymeric nanoparticles and at least one water-soluble organic acid or water-soluble organic carboxylate salt; a controlled release layer covering the extended release 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.