Patents by Inventor Guohong Mao

Guohong Mao 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).

  • Non-caloric sweeteners and methods for synthesizing
    Patent number: 10584143
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebausoside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: March 10, 2020
    Assignee: Conagen Inc.
    Inventors: Guohong Mao, Xiaodan Yu
  • Non-caloric sweeteners and methods for synthesizing
    Patent number: 10570163
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebausoside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: February 25, 2020
    Assignee: Conagen Inc.
    Inventors: Guohong Mao, Xiaodan Yu
  • BIOSYNTHETIC PRODUCTION OF STEVIOL GLYCOSIDE REBAUDIOSIDE I VIA VARIANT ENZYMES
    Publication number: 20200002742
    Abstract: The present invention relates, at least in part, to the production of steviol glycoside rebaudioside I through the use of variant UGT enzymes having activity to transfer a glucosyl group from UDP-glucose to rebaudioside A to produce rebaudioside I.
    Type: Application
    Filed: July 9, 2019
    Publication date: January 2, 2020
    Applicant: Conagen Inc.
    Inventors: Guohong Mao, Michael Batten, Phillip Hunt, Xiaodan Yu
  • BIOSYNTHETIC PRODUCTION OF STEVIOL GLYCOSIDES AND PROCESSES THEREFORE
    Publication number: 20190345528
    Abstract: The present invention relates to the production of steviol glycoside rebaudiosides D4, WB1 and WB2 and the production of rebaudioside M from Reb D4.
    Type: Application
    Filed: April 12, 2019
    Publication date: November 14, 2019
    Applicant: Conagen Inc.
    Inventors: Guohong Mao, Jacob Edward Vick, Michael Batten, David Byun, Yang Luo, Yilin Wu, Beihua Zhang, Xiaodan Yu
  • Non-caloric sweetener
    Patent number: 10450339
    Abstract: Disclosed is a steviol glycoside referred to as rebaudioside D3. Rebaudioside D3 has five ?-D-glucosyl units connected to the aglycone steviol. Also disclosed are methods for producing rebaudioside D3, a UDP-glycosyltransferase fusion enzyme, and methods for producing rebaudioside D and rebaudioside E.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: October 22, 2019
    Assignee: Conagen Inc.
    Inventors: Guohong Mao, Venkata Sai Prakash Chaturvedula, Xiaodan Yu
  • Non-caloric sweeteners and methods for synthesizing
    Patent number: 10450338
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebausoside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: October 22, 2019
    Assignee: Conagen Inc.
    Inventors: Guohong Mao, Xiaodan Yu
  • Non-caloric sweeteners and methods for synthesizing
    Patent number: 10442831
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebaudioside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: October 15, 2019
    Assignee: Conagen Inc.
    Inventors: Guohong Mao, Xiaodan Yu
  • Recombinant production of steviol glycosides
    Patent number: 10253344
    Abstract: Recombinant polypeptides having UDP-glycosyltransferase activities, including a 1,2-19-O-glucose glycosylation activity and a 1,2-13-O-glucose glycosylation activity for synthesizing of steviol glucosides, are provided. A method of producing a steviol glycoside composition using such recombinant polypeptide is also provided. Also disclosed are steviol glycosides referred to as rebaudioside Z1 and rebaudioside Z2.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: April 9, 2019
    Assignee: Conagen Inc.
    Inventors: Guohong Mao, Xiaodan Yu
  • BIOSYNTHETIC PRODUCTION OF STEVIOL GLYCOSIDES AND PROCESSES THEREFORE
    Publication number: 20190078102
    Abstract: The present invention relates to the production of steviol glycoside rebaudiosides D4, WB1 and WB2 and the production of rebaudioside M from Reb D4.
    Type: Application
    Filed: August 30, 2018
    Publication date: March 14, 2019
    Inventors: Guohong Mao, Jacob Edward Vick, Michael Batten, Yang Luo, Yilin Wu, Beihua Zhang, David Byun, Xiaodan Yu
  • Non-caloric sweeteners and methods for synthesizing
    Patent number: 10160781
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebausoside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: December 25, 2018
    Assignee: Conagen Inc.
    Inventors: Guohong Mao, Xiaodan Yu
  • Non-caloric sweetener
    Patent number: 10138263
    Abstract: Disclosed is a steviol glycoside referred to as rebaudioside D2. Rebaudioside D2 has five ?-D-glucosyl units connected to the aglycone steviol. Also disclosed are methods for producing rebaudioside D2, a UDP-glycosyltransferase fusion enzyme, and methods for producing rebaudioside D and rebaudioside E.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: November 27, 2018
    Assignee: Conagen Inc.
    Inventors: Guohong Mao, Venkata Sai Prakash Chaturvedula, Oliver Yu
  • Recombinant production of steviol glycosides
    Patent number: 10081826
    Abstract: Recombinant polypeptides having UDP-glycosyltransferase activities, including a 1,2-19-O-glucose glycosylation activity and a 1,2-13-O-glucose glycosylation activity for synthesizing of steviol glucosides, are provided. A method of producing a steviol glycoside composition using such recombinant polypeptide is also provided. Also disclosed are steviol glycosides referred to as rebaudioside Z1 and rebaudioside Z2.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: September 25, 2018
    Assignee: Conagen Inc.
    Inventors: Guohong Mao, Xiaodan Yu
  • NON-CALORIC SWEETENERS AND METHODS FOR SYNTHESIZING
    Publication number: 20180258124
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebausoside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Application
    Filed: May 21, 2018
    Publication date: September 13, 2018
    Applicant: Conagen Inc.
    Inventors: Guohong Mao, Xiaodan Yu
  • NON-CALORIC SWEETENERS AND METHODS FOR SYNTHESIZING
    Publication number: 20180258125
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebausoside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Application
    Filed: May 21, 2018
    Publication date: September 13, 2018
    Applicant: Conagen Inc.
    Inventors: Guohong Mao, Xiaodan Yu
  • NON-CALORIC SWEETENERS AND METHODS FOR SYNTHESIZING
    Publication number: 20180258126
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebausoside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Application
    Filed: May 21, 2018
    Publication date: September 13, 2018
    Applicant: Conagen Inc.
    Inventors: Guohong Mao, Xiaodan Yu
  • NON-CALORIC SWEETENER
    Publication number: 20180244709
    Abstract: Disclosed is a steviol glycoside referred to as rebaudioside D2. Rebaudioside D2 has five ?-D-glucosyl units connected to the aglycone steviol. Also disclosed are methods for producing rebaudioside D2, a UDP-glycosyltransferase fusion enzyme, and methods for producing rebaudioside D and rebaudioside E.
    Type: Application
    Filed: April 30, 2018
    Publication date: August 30, 2018
    Applicant: Conagen Inc.
    Inventors: Guohong Mao, Venkata Sai Prakash Chaturvedula, Xiaodan Yu
  • Non-caloric sweeteners and methods for synthesizing
    Patent number: 10059732
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebausoside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: August 28, 2018
    Assignee: Conagen Inc.
    Inventors: Guohong Mao, Xiaodan Yu
  • Non-caloric sweeteners and methods for synthesizing
    Patent number: 10023604
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebausoside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: July 17, 2018
    Assignee: Conagen Inc.
    Inventors: Guohong Mao, Xiaodan Yu
  • Non-caloric sweeteners and methods for synthesizing
    Patent number: 10010101
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebausoside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: July 3, 2018
    Assignee: Conagen Inc.
    Inventors: Guohong Mao, Xiaodan Yu
  • Non-caloric sweeteners and methods for synthesizing
    Patent number: 10010099
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebausoside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: July 3, 2018
    Assignee: Conagen Inc.
    Inventors: Guohong Mao, Xiaodan Yu