Patents by Inventor Chinping Chng

Chinping Chng 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).

  • Patent number: 12286655
    Abstract: The present invention provides engineered human alpha-galactosidase polypeptides and compositions thereof. The engineered human alpha-galactosidase polypeptides have been optimized to provide improved thermostability, serum stability, improved cellular uptake, stability under both acidic (pH<4) and basic (pH>7) conditions, reduced immunogenicity, and improved globotriaosylceramide removal from cells. The invention also relates to the use of the compositions comprising the engineered human alpha-galactosidase polypeptides for therapeutic purposes.
    Type: Grant
    Filed: July 22, 2022
    Date of Patent: April 29, 2025
    Assignee: Crosswalk Therapeutics, Inc.
    Inventors: William Casey Hallows, Kristen Jean Vallieu, Nikki Dellas, Yu Zhu, Judy Victoria Antonio Viduya, Chinping Chng, Antoinette Sero, Gjalt W. Huisman, Rachel Cathleen Botham, Moulay Hicham Alaoui Ismaili
  • Publication number: 20250027061
    Abstract: The present invention provides engineered RNA polymerase variants and compositions comprising these variants. The present invention further provides engineered T7 RNA polymerase variants and compositions comprising these variants. These variants have been evolved for selective incorporation of the m7G(5?)ppp(5?)m7G cap analog over GTP at the initiation of in vitro transcription. The present invention also provides methods for selective capping of RNA transcripts.
    Type: Application
    Filed: October 8, 2024
    Publication date: January 23, 2025
    Inventors: Mathew G. Miller, Chinping Chng, Oscar Alvizo, Melissa Ann Mayo, James Nicholas Riggins, Xiang Yi, Jonathan S. Penfield, Gjalt W. Huisman, Jared Davis, Yasushi Saotome
  • Publication number: 20240409912
    Abstract: The present disclosure provides engineered protease polypeptides, recombinant polynucleotides encoding the engineered protease polypeptides, and uses of the engineered protease polypeptides in therapeutic applications.
    Type: Application
    Filed: May 30, 2024
    Publication date: December 12, 2024
    Inventors: Chinping Chng, Ruth L. Cong, Da Duan, Brian Ferrer, Ravi David Garcia, Nikki D. Kruse, Hirdesh Kumar, Stephen Joshua Macaso Millet, Trica Windgassen, Liang Zhu
  • Publication number: 20240384251
    Abstract: The present invention provides engineered amylase polypeptides and compositions thereof. The engineered amylase polypeptides have been optimized to provide improved thermostability, protease stability, and stability under a range of pH conditions, including acidic (pH<7) conditions. The invention also relates to the use of the compositions comprising the engineered amylase polypeptides for therapeutic and/or nutritional purposes. The present invention also provides polynucleotides encoding the engineered amylase polypeptides, as well as methods for making the engineered polynucleotides and amylase polypeptides.
    Type: Application
    Filed: July 30, 2024
    Publication date: November 21, 2024
    Inventors: Chinping Chng, Nikki Dellas, Da Duan, Ravi David Garcia, Harvinder Chagger Maniar
  • Patent number: 12129494
    Abstract: The present invention provides engineered RNA polymerase variants and compositions comprising these variants. The present invention further provides engineered T7 RNA polymerase variants and compositions comprising these variants. These variants have been evolved for selective incorporation of the m7G(5?)ppp(5?)m7G cap analog over GTP at the initiation of in vitro transcription. The present invention also provides methods for selective capping of RNA transcripts.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: October 29, 2024
    Assignee: Codexis, Inc.
    Inventors: Mathew G. Miller, Chinping Chng, Oscar Alvizo, Melissa Ann Mayo, James Nicholas Riggins, Xiang Yi, Jonathan S. Penfield, Gjalt W. Huisman, Jared Davis, Yasushi Saotome
  • Patent number: 12071642
    Abstract: The present invention provides engineered amylase polypeptides and compositions thereof. The engineered amylase polypeptides have been optimized to provide improved thermostability, protease stability, and stability under a range of pH conditions, including acidic (pH<7) conditions. The invention also relates to the use of the compositions comprising the engineered amylase polypeptides for therapeutic and/or nutritional purposes. The present invention also provides polynucleotides encoding the engineered amylase polypeptides, as well as methods for making the engineered polynucleotides and amylase polypeptides.
    Type: Grant
    Filed: September 6, 2023
    Date of Patent: August 27, 2024
    Assignees: Codexis, Inc., Société des Produits Nestlé S.A.
    Inventors: Chinping Chng, Nikki Dellas, Da Duan, Ravi David Garcia, Harvinder Chagger Maniar
  • Publication number: 20240263156
    Abstract: Engineered lipase polypeptides have been optimized to provide improved thermostability, protease stability, and stability under a range of pH conditions, including acidic (pH<7) and basic (pH>7) conditions. Compositions containing the engineered lipase polypeptides can be used for therapeutic and/or nutritional purposes. Polynucleotides encoding the engineered lipase polypeptides are also provided, as well as methods for making the engineered polynucleotides and lipase polypeptides.
    Type: Application
    Filed: April 9, 2024
    Publication date: August 8, 2024
    Inventors: Chinping Chng, William Casey Hallows, Judy Victoria Antonio Viduya, Nikki Dellas, Stephanie Sue Galanie, Kristen Jean Vallieu
  • Publication number: 20240228997
    Abstract: The present invention provides engineered acid alpha-glucosidase (GAA) polypeptides and compositions thereof. In some embodiments, the engineered GAA polypeptides have been optimized to provide increased expression, stability at neutral pH, and activity in cell lysates. The invention also provides methods for utilization of the compositions comprising the engineered GAA polypeptides for therapeutic and other purposes.
    Type: Application
    Filed: March 20, 2024
    Publication date: July 11, 2024
    Inventors: William Casey Hallows, Rachel Cathleen Botham, Yu Zhu, Chinping Chng, Nikki Dellas, Gjalt W. Huisman, Moulay Hicham Alaoui Ismaili, David William Homan, Adam P. Silverman, Jonathan Vroom, Jessica P. Lao
  • Patent number: 11987823
    Abstract: The present invention provides engineered lipase polypeptides and compositions thereof. The engineered lipase polypeptides have been optimized to provide improved thermostability, protease stability, and stability under a range of pH conditions, including acidic (pH<7) and basic (pH>7) conditions. The invention also relates to the use of the compositions comprising the engineered lipase polypeptides for therapeutic and/or nutritional purposes. The present invention also provides polynucleotides encoding the engineered lipase polypeptides, as well as methods for making the engineered polynucleotides and lipase polypeptides.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: May 21, 2024
    Assignee: Societe des Produits Nestle S.A.
    Inventors: Chinping Chng, William Casey Hallows, Judy Victoria Antonio Viduya, Nikki Dellas, Stephanie Sue Galanie, Kristen Jean Vallieu
  • Patent number: 11970722
    Abstract: The present invention provides engineered acid alpha-glucosidase (GAA) polypeptides and compositions thereof. In some embodiments, the engineered GAA polypeptides have been optimized to provide increased expression, stability at neutral pH, and activity in cell lysates. The invention also provides methods for utilization of the compositions comprising the engineered GAA polypeptides for therapeutic and other purposes.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: April 30, 2024
    Assignee: Codexis, Inc.
    Inventors: William Casey Hallows, Rachel Cathleen Botham, Yu Zhu, Chinping Chng, Nikki Dellas, Gjalt W. Huisman, Moulay Hicham Alaoui Ismaili, David William Homan, Adam P. Silverman, Jonathan Vroom, Jessica P. Lao
  • Patent number: 11959108
    Abstract: The present invention provides engineered protease polypeptides and compositions thereof. The engineered protease polypeptides have been optimized to provide improved activity, improved thermostability, protease stability, autolytic stability, and stability under a range of pH conditions, including acidic (pH<7) and basic (pH>7) conditions. The invention also relates to the use of the compositions comprising the engineered protease polypeptides for therapeutic and/or nutritional purposes. The present invention also provides polynucleotides encoding the engineered protease polypeptides, as well as methods for making the engineered polynucleotides and protease polypeptides.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: April 16, 2024
    Assignees: Codexis, Inc., Societe des Produits Nestle S.A.
    Inventors: Chinping Chng, Nikki Dellas, Ravi David Garcia, Moulay Hicham Alaoui Ismaili, Kristen Jean Vallieu, Kerryn McCluskie
  • Publication number: 20240026326
    Abstract: The present invention provides engineered amylase polypeptides and compositions thereof. The engineered amylase polypeptides have been optimized to provide improved thermostability, protease stability, and stability under a range of pH conditions, including acidic (pH <7) conditions. The invention also relates to the use of the compositions comprising the engineered amylase polypeptides for therapeutic and/or nutritional purposes. The present invention also provides polynucleotides encoding the engineered amylase polypeptides, as well as methods for making the engineered polynucleotides and amylase polypeptides.
    Type: Application
    Filed: September 6, 2023
    Publication date: January 25, 2024
    Inventors: Chinping Chng, Nikki Dellas, Da Duan, Ravi David Garcia, Harvinder Chagger Maniar
  • Patent number: 11767519
    Abstract: The present invention provides engineered amylase polypeptides and compositions thereof. The engineered amylase polypeptides have been optimized to provide improved thermostability, protease stability, and stability under a range of pH conditions, including acidic (pH<7) conditions. The invention also relates to the use of the compositions comprising the engineered amylase polypeptides for therapeutic and/or nutritional purposes. The present invention also provides polynucleotides encoding the engineered amylase polypeptides, as well as methods for making the engineered polynucleotides and amylase polypeptides.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: September 26, 2023
    Assignees: Codexis, Inc., Societe des Produits Nestle S.A.
    Inventors: Chinping Chng, Nikki Dellas, Da Duan, Ravi David Garcia, Harvinder Chagger Maniar
  • Publication number: 20230295599
    Abstract: The present invention provides engineered phenylalanine ammonia lyase (PAL) polypeptides and compositions thereof, as well as polynucleotides encoding the engineered phenylalanine ammonia lyase (PAL) polypeptides. In some embodiments, the engineered PAL polypeptides are optimized to provide enhanced catalytic activity, as well as reduced sensitivity to proteolysis and increased tolerance to storage at elevated temperatures. In some embodiments, the engineered PAL polypeptides contain fewer phenylalanine residues than wild-type PAL polypeptides. The present invention also provides methods for the use of the compositions comprising the engineered PAL polypeptides for therapeutic and industrial purposes.
    Type: Application
    Filed: January 13, 2023
    Publication date: September 21, 2023
    Inventors: Chinping Chng, William Casey Hallows, Nicholas J. Agard, Oscar Alvizo, Nikki Dellas, Gjalt W. Huisman, John Joseph Nicols
  • Publication number: 20230295598
    Abstract: The present invention provides engineered phenylalanine ammonia lyase (PAL) polypeptides and compositions thereof, as well as polynucleotides encoding the engineered phenylalanine ammonia lyase (PAL) polypeptides. In some embodiments, the engineered PAL polypeptides are optimized to provide enhanced catalytic activity, as well as reduced sensitivity to proteolysis and increased tolerance to storage at elevated temperatures. In some embodiments, the engineered PAL polypeptides contain fewer phenylalanine residues than wild-type PAL polypeptides. The present invention also provides methods for the use of the compositions comprising the engineered PAL polypeptides for therapeutic and industrial purposes.
    Type: Application
    Filed: January 13, 2023
    Publication date: September 21, 2023
    Inventors: Chinping Chng, William Casey Hallows, Nicholas J. Agard, Oscar Alvizo, Nikki Dellas, Gjalt W. Huisman, John Joseph Nicols
  • Publication number: 20230279404
    Abstract: The present disclosure provides engineered oxalate decarboxylase (ODC) polypeptides and compositions thereof, as well as polynucleotides encoding the engineered oxalate decarboxylase polypeptides. The present disclosure also provides methods of using the engineered enzymes and compositions thereof for treating diseases or conditions associated with abnormal metabolism of oxalate.
    Type: Application
    Filed: February 10, 2023
    Publication date: September 7, 2023
    Inventors: Chinping Chng, Nikki D. Kruse, Joyce Liu, Adam P. Silverman, Rebecca Hong Thibodeau, Tricia Windgassen
  • Publication number: 20220389464
    Abstract: The present invention provides engineered tyrosine ammonia-lyase (TAL) polypeptides and compositions thereof. In some embodiments, the engineered TAL polypeptides have been optimized to provide enhanced catalytic activity and enhanced acid stability, while reducing sensitivity to proteolysis and increasing tolerance to acidic pH levels. The invention also provides methods for utilization of the compositions comprising the engineered TAL polypeptides for therapeutic and industrial purposes.
    Type: Application
    Filed: August 5, 2022
    Publication date: December 8, 2022
    Inventors: Gjalt W. Huisman, Joyce Liu, Nikki Dellas, Chinping Chng, William Casey Hallows
  • Publication number: 20220356458
    Abstract: The present invention provides engineered human alpha-galactosidase polypeptides and compositions thereof. The engineered human alpha-galactosidase polypeptides have been optimized to provide improved thermostability, serum stability, improved cellular uptake, stability under both acidic (pH<4) and basic (pH>7) conditions, reduced immunogenicity, and improved globotriaosylceramide removal from cells. The invention also relates to the use of the compositions comprising the engineered human alpha-galactosidase polypeptides for therapeutic purposes.
    Type: Application
    Filed: July 22, 2022
    Publication date: November 10, 2022
    Inventors: William Casey Hallows, Kristen Jean Vallieu, Nikki Dellas, Yu Zhu, Judy Victoria Antonio Viduya, Chinping Chng, Antoinette Sero, Gjalt W. Huisman, Rachel Cathleen Botham, Moulay Hicham Alaoui Ismaili
  • Patent number: 11427813
    Abstract: The present invention provides engineered human alpha-galactosidase polypeptides and compositions thereof. The engineered human alpha-galactosidase polypeptides have been optimized to provide improved thermostability, serum stability, improved cellular uptake, stability under both acidic (pH<4) and basic (pH>7) conditions, reduced immunogenicity, and improved globotriaosylceramide removal from cells. The invention also relates to the use of the compositions comprising the engineered human alpha-galactosidase polypeptides for therapeutic purposes.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: August 30, 2022
    Assignee: Codexis, Inc.
    Inventors: William Casey Hallows, Kristen Jean Vallieu, Nikki Dellas, Yu Zhu, Judy Victoria Antonio Viduya, Chinping Chng, Antoinette Sero, Gjalt W. Huisman, Rachel Cathleen Botham, Moulay Hicham Alaoui Ismaili
  • Patent number: 11421253
    Abstract: The present invention provides engineered tyrosine ammonia-lyase (TAL) polypeptides and compositions thereof. In some embodiments, the engineered TAL polypeptides have been optimized to provide enhanced catalytic activity and enhanced acid stability, while reducing sensitivity to proteolysis and increasing tolerance to acidic pH levels. The invention also provides methods for utilization of the compositions comprising the engineered TAL polypeptides for therapeutic and industrial purposes.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: August 23, 2022
    Assignee: Codexis, Inc.
    Inventors: Gjalt W. Huisman, Joyce Liu, Nikki Dellas, Chinping Chng, William Casey Hallows