Patents by Inventor Kuikiu CHAN

Kuikiu CHAN 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).

  • Enzymatic method for preparing Rebaudioside C
    Patent number: 11976312
    Abstract: Provided is a method for preparing Rebaudioside C using an enzymatic method, comprising using rubusoside or dulcoside A as a substrate, and making the substrate, in the presence of a glycosyl donor, react under the catalysis of UDP-glycosyltransferase-containing recombinant cell and/or UDP-glycosyltransferase prepared therefrom to generate Rebaudioside C.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: May 7, 2024
    Assignee: PepsiCo, Inc.
    Inventors: Alex Tao, Guoqing Li, Wenxia Wang, Leilei Zheng, Chunlei Zhu, Xiaoliang Liang, Kuikiu Chan
  • Enzymatic method for preparing rebaudioside N
    Patent number: 11976313
    Abstract: Provided is a method for preparing rebaudioside N using an enzymatic method, comprising using rebaudioside A or rebaudioside J as a substrate, and making the substrate, in the presence of a glycosyl donor, react under the catalysis of a UDP-glycosyl-transferase and/or a UDP-glycosyltransferase-containing recombinant cell to generate rebaudioside N.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: May 7, 2024
    Assignee: PepsiCo, Inc.
    Inventors: Alex Tao, Guoqing Li, Wenxia Wang, Leilei Zheng, Chunlei Zhu, Xiaoliang Liang, Kuikiu Chan
  • Enzymatic method for preparing Rebaudioside J
    Patent number: 11952604
    Abstract: Provided is a method for preparing Rebaudioside J using an enzymatic method, comprising using rebaudioside A as a substrate, and making the substrate, in the presence of a glycosyl donor, react under the catalysis of a UDP-glycosyltransferase-containing recombinant cell and/or UDP-glycosyltransferase prepared therefrom to generate Rebaudioside J.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: April 9, 2024
    Assignee: PepsiCo, Inc.
    Inventors: Alex Tao, Guoqing Li, Wenxia Wang, Leilei Zheng, Chunlei Zhu, Xiaoliang Liang, Kuikiu Chan
  • ENZYMATIC METHOD FOR PREPARING REBAUDIOSIDE J
    Publication number: 20230022453
    Abstract: Provided is a method for preparing Rebaudioside J using an enzymatic method, comprising using rebaudioside A as a substrate, and making the substrate, in the presence of a glycosyl donor, react under the catalysis of a UDP-glycosyltransferase-containing recombinant cell and/or UDP-glycosyltransferase prepared therefrom to generate Rebaudioside J.
    Type: Application
    Filed: June 6, 2022
    Publication date: January 26, 2023
    Inventors: Alex TAO, Guoqing LI, Wenxia WANG, Leilei ZHENG, Chunlei ZHU, Xiaoliang LIANG, Kuikiu CHAN
  • ENZYMATIC METHOD FOR PREPARING REBAUDIOSIDE N
    Publication number: 20220275415
    Abstract: Provided is a method for preparing rebaudioside N using an enzymatic method, comprising using rebaudioside A or rebaudioside J as a substrate, and making the substrate, in the presence of a glycosyl donor, react under the catalysis of a UDP-glycosyl-transferase and/or a UDP-glycosyltransferase-containing recombinant cell to generate rebaudioside N.
    Type: Application
    Filed: May 16, 2022
    Publication date: September 1, 2022
    Inventors: Alex TAO, Guoqing LI, Wenxia WANG, Leilei ZHENG, Chunlei ZHU, Xiaoliang LIANG, Kuikiu CHAN
  • ENZYMATIC METHOD FOR PREPARING REBAUDIOSIDE C
    Publication number: 20220220525
    Abstract: Provided is a method for preparing Rehaudioside C using an enzymatic method, comprising using rubusoside or dulcoside A as a substrate, and making the substrate, in the presence of a glycosyl donor, react under the catalysis of UDP-glycosyltransferase-containing recombinant cell and/or UDP-glycosyltransferase prepared therefrom to generate Rebaudioside C.
    Type: Application
    Filed: March 30, 2022
    Publication date: July 14, 2022
    Inventors: Alex TAO, Guoqing LI, Wenxia WANG, Leilei ZHENG, Chunlei ZHU, Xiaoliang LIANG, Kuikiu CHAN
  • Enzymatic method for preparing Rebaudioside j
    Patent number: 11359222
    Abstract: Provided is a method for preparing Rebaudioside J using an enzymatic method, comprising using rebaudioside A as a substrate, and making the substrate, in the presence of a glycosyl donor, react under the catalysis of a UDP-glycosyltransferase-con-taining recombinant cell and/or UDP-glycosyltransferase prepared therefrom to generate Rebaudioside J.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: June 14, 2022
    Assignee: PepsiCo, Inc.
    Inventors: Alex Tao, Guoqing Li, Wenxia Wang, Leilei Zheng, Chunlei Zhu, Xiaoliang Liang, Kuikiu Chan
  • Enzymatic method for preparing rebaudioside N
    Patent number: 11352653
    Abstract: Provided is a method for preparing rebaudioside N using an enzymatic method, comprising using rebaudioside A or rebaudioside J as a substrate, and making the substrate, in the presence of a glycosyl donor, react under the catalysis of a UDP-glycosyl-transferase and/or a UDP-glycosyltransferase-containing recombinant cell to generate rebaudioside N.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: June 7, 2022
    Assignee: PEPSICO, INC.
    Inventors: Alex Tao, Guoqing Li, Wenxia Wang, Leilei Zheng, Chunlei Zhu, Xiaoliang Liang, Kuikiu Chan
  • Enzymatic method for preparing Rebaudioside C
    Patent number: 11312985
    Abstract: Provided is a method for preparing Rebaudioside C using an enzymatic method, comprising using rubusoside or dulcoside A as a substrate, and making the substrate, in the presence of a glycosyl donor, react under the catalysis of UDP-glycosyltransferase-containing recombinant cell and/or UDP-glycosyltransferase prepared therefrom to generate Rebaudioside C.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: April 26, 2022
    Assignee: PepsiCo, Inc.
    Inventors: Alex Tao, Guoqing Li, Wenxia Wang, Leilei Zheng, Chunlei Zhu, Xiaoliang Liang, Kuikiu Chan
  • ENZYMATIC METHOD FOR PREPARING REBAUDIOSIDE N
    Publication number: 20210214761
    Abstract: Provided is a method for preparing rebaudioside N using an enzymatic method, comprising using rebaudioside A or rebaudioside J as a substrate, and making the substrate, in the presence of a glycosyl donor, react under the catalysis of a UDP-glycosyl-transferase and/or a UDP-glycosyltransferase-containing recombinant cell to generate rebaudioside N.
    Type: Application
    Filed: October 21, 2016
    Publication date: July 15, 2021
    Inventors: Alex TAO, Guoqing LI, Wenxia WANG, Leilei ZHENG, Chunlei ZHU, Xiaoliang LIANG, Kuikiu CHAN
  • ENZYMATIC METHOD FOR PREPARING REBAUDIOSIDE C
    Publication number: 20190367960
    Abstract: Provided is a method for preparing Rebaudioside C using an enzymatic method, comprising using rubusoside or dulcoside A as a substrate, and making the substrate, in the presence of a glycosyl donor, react under the catalysis of UDP-glycosyltransferase-containing recombinant cell and/or UDP-glycosyltransferase prepared therefrom to generate Rebaudioside C.
    Type: Application
    Filed: October 21, 2016
    Publication date: December 5, 2019
    Inventors: Alex TAO, Guoqing LI, Wenxia WANG, Leilei ZHENG, Chunlei ZHU, Xiaoliang LIANG, Kuikiu CHAN
  • ENZYMATIC METHOD FOR PREPARING REBAUDIOSIDE J
    Publication number: 20190338332
    Abstract: Provided is a method for preparing Rebaudioside J using an enzymatic method, comprising using rebaudioside A as a substrate, and making the substrate, in the presence of a glycosyl donor, react under the catalysis of a UDP-glycosyltransferase-containing recombinant cell and/or UDP-glycosyltransferase prepared therefrom to generate Rebaudioside J.
    Type: Application
    Filed: October 21, 2016
    Publication date: November 7, 2019
    Applicant: PepsiCo, Inc.
    Inventors: Alex TAO, Guoqing LI, Wenxia WANG, Leilei ZHENG, Chunlei ZHU, Xiaoliang LIANG, Kuikiu CHAN