Patents by Inventor Lifeng Kang

Lifeng Kang 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).

  • Microneedle device
    Patent number: 11801371
    Abstract: There is provided a microneedle device comprising a substrate and a plurality of microneedles projecting from the substrate, the substrate being substantially spherical and wherein in use, the microneedle device has three-dimensional movement. There is also provided a method of forming the microneedle device of the present invention.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: October 31, 2023
    Assignee: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Lifeng Kang, Yuanyuan Sun, Duc-Viet Nguyen
  • MICRONEEDLE DEVICE
    Publication number: 20200121900
    Abstract: There is provided a microneedle device comprising a substrate and a plurality of microneedles projecting from the substrate, the substrate being substantially spherical and wherein in use, the microneedle device has three-dimensional movement. There is also provided a method of forming the microneedle device of the present invention.
    Type: Application
    Filed: March 1, 2018
    Publication date: April 23, 2020
    Applicant: National University of Singapore
    Inventors: Lifeng KANG, Yuanyuan SUN, Duc-Viet NGUYEN
  • Method to fabricate polymeric microneedles
    Patent number: 10272233
    Abstract: The present disclosure relates generally to microneedle devices and methods for fabricating microneedles from a biocompatible polymer using photolithography. More particularly, aspects of the present disclosure are directed to the fabrication of microneedle devices using a biocompatible polymer (biopolymer) by way of biocompatible, essentially biocompatible, or substantially biocompatible fabrication techniques.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: April 30, 2019
    Assignee: National University of Singapore
    Inventors: Lifeng Kang, Sui Yung Chan, Jaspreet Singh Kochhar, Wei Jiang Goh
  • Miniaturized flow-through cell
    Patent number: 9581577
    Abstract: The present disclosure relates to a diffusion cell for testing the permeation of a compound(s) across a membrane. Also, the present disclosure relates to a method of manufacturing a diffusion cell. Further, the present disclosure relates to a method of performing an assay using a diffusion cell.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: February 28, 2017
    Assignee: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Lifeng Kang, Jaspreet Singh Kochhar, Choon Siong Mah
  • Novel Method To Fabricate Polymeric Microneedles
    Publication number: 20150080802
    Abstract: The present disclosure relates generally to microneedle devices and methods for fabricating microneedles from a biocompatible polymer using photolithography. More particularly, aspects of the present disclosure are directed to the fabrication of microneedle devices using a biocompatible polymer (biopolymer) by way of biocompatible, essentially biocompatible, or substantially biocompatible fabrication techniques.
    Type: Application
    Filed: March 15, 2013
    Publication date: March 19, 2015
    Applicant: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Lifeng Kang, Sui Yung Chan, Jaspreet Singh Kochhar, Wei Jiang Goh
  • MINIATURIZED FLOW-THROUGH CELL
    Publication number: 20140102177
    Abstract: The present disclosure relates to a diffusion cell for testing the permeation of a compound(s) across a membrane. Also, the present disclosure relates to a method of manufacturing a diffusion cell. Further, the present disclosure relates to a method of performing an assay using a diffusion cell.
    Type: Application
    Filed: October 11, 2013
    Publication date: April 17, 2014
    Inventors: Lifeng KANG, Jaspreet Singh KOCHHAR, Choon Siong MAH
  • Transdermal drug delivery composition comprising a small molecule gel and process for the preparation thereof
    Publication number: 20050191338
    Abstract: This invention relates to a transdermal drug delivery composition comprising a small molecule gel, which small molecule gel comprises a small molecule gelling agent and a solvent, in which solvent is dissolved or suspended (a) a drug that is suitable for transdermal delivery and (b) a skin permeation enhancer. The invention also relates to a process for the preparation of the transdermal drug delivery composition described above.
    Type: Application
    Filed: January 28, 2005
    Publication date: September 1, 2005
    Inventors: Lifeng Kang, Prashant Sawant, Xiang Liu, Sui Chan