Patents by Inventor Van T. KIM

Van T. KIM has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Smart release nitrogen-containing fertilizer granules
    Patent number: 11649195
    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.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: May 16, 2023
    Assignee: RYNAN TECHNOLOGIES PTE LTD.
    Inventors: My T. Nguyen, Hoa V. Tran, Man M. Ly, Van T. Kim, Nhien H. Le, Na Thach, Sony T. Vo, Vinh Q. Nguyen
  • Smart release potash fertilizer granules
    Patent number: 11591275
    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.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: February 28, 2023
    Assignee: RYNAN TECHNOLOGIES PTE LTD
    Inventors: My T. Nguyen, Hoa V. Tran, Man M. Ly, Van T. Kim, Nhien H. Le, Na Thach, Sony T. Vo, Vinh Q. Nguyen
  • SMART RELEASE NITROGEN-CONTAINING FERTILIZER GRANULES
    Publication number: 20210363073
    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.
    Type: Application
    Filed: February 6, 2019
    Publication date: November 25, 2021
    Applicant: RYNAN TECHNOLOGIES PTE. LTD.
    Inventors: My T. NGUYEN, Hoa V. TRAN, Man M. LY, Van T. KIM, Nhien H. LE, Na THACH, Sony T. VO, Vinh Q. NGUYEN
  • SMART RELEASE POTASH FERTILIZER GRANULES
    Publication number: 20210139388
    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.
    Type: Application
    Filed: February 6, 2019
    Publication date: May 13, 2021
    Inventors: My T. NGUYEN, Hoa V. TRAN, Man M. LY, Van T. KIM, Nhien H. LE, Na THACH, Sony T. VO, Vinh Q. NGUYEN