Patents by Inventor Delai Chen

Delai Chen 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).

  • Publication number: 20230124955
    Abstract: Described herein are compounds and compositions characterized, in certain embodiments, by conjugation of various groups, such as lipophilic groups, to an amino or amide group of an amino acid, a linear or cyclic peptide, a linear or cyclic polypeptide, or structural isomer thereof, to provide compounds of the present invention, collectively referred to herein as “APPLs”. Such APPLs are deemed useful for a variety of applications, such as, for example, improved nucleotide delivery. Exemplary APPLs include, but are not limited to, compounds of Formula (I), (II), (III), (IV), (V), and (VI), and salts thereof, as described herein: wherein m, n, p, R?, R1, R2, R3, R4, R5, R8, Z, W, Y, and Z are as defined herein.
    Type: Application
    Filed: August 23, 2022
    Publication date: April 20, 2023
    Applicant: Massachusetts Institute of Technology
    Inventors: Yizhou Dong, Kevin Thomas Love, Robert S. Langer, Daniel Griffith Anderson, Delai Chen, Yi Chen, Arturo Jose Vegas, Akinleye C. Alabi, Yunlong Zhang
  • Patent number: 11458158
    Abstract: Described herein are compounds and compositions characterized, in certain embodiments, by conjugation of various groups, such as lipophilic groups, to an amino or amide group of an amino acid, a linear or cyclic peptide, a linear or cyclic polypeptide, or structural isomer thereof, to provide compounds of the present invention, collectively referred to herein as “APPLs”. Such APPLs are deemed useful for a variety of applications, such as, for example, improved nucleotide delivery. Exemplary APPLs include, but are not limited to, compounds of Formula (I), (II), (III), (IV), (V), and (VI), and salts thereof, as described herein: wherein m, n, p, R?, R1, R2, R3, R4, R5, R8, Z, W, Y, and Z are as defined herein.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: October 4, 2022
    Assignee: Massachusetts Institute of Technology
    Inventors: Yizhou Dong, Kevin Thomas Love, Robert S. Langer, Daniel Griffith Anderson, Delai Chen, Yi Chen, Arturo Jose Vegas, Akinleye C. Alabi, Yunlong Zhang
  • Patent number: 11446239
    Abstract: Biomedical devices for implantation with decreased pericapsular fibrotic overgrowth are disclosed. The device includes biocompatible materials and has specific characteristics that allow the device to elicit less of a fibrotic reaction after implantation than the same device lacking one or more of these characteristic that are present on the device. Biocompatible hydrogel capsules encapsulating mammalian cells having a diameter of greater than 1 mm, and optionally a cell free core, are disclosed which have reduced fibrotic overgrowth after implantation in a subject. Methods of treating a disease in a subject are also disclosed that involve administering a therapeutically effective amount of the disclosed encapsulated cells to the subject.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: September 20, 2022
    Assignees: MASSACHUSETTS INSTITUTE OF TECHNOLOGY, THE CHILDREN'S MEDICAL CENTER CORPORATION
    Inventors: Minglin Ma, Daniel G. Anderson, Robert S. Langer, Omid Veiseh, Joshua Charles Doloff, Delai Chen, Christian J. Kastrup, Arturo Jose Vegas
  • Patent number: 11420933
    Abstract: This invention provides for a compound of formula (I): or a pharmaceutically acceptable salt thereof, wherein R1-R4, L1, n and p are defined herein. The compounds of formula (X) and pharmaceutically acceptable salts thereof are cationic lipids useful in the delivery of biologically active agents to cells and tissues.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: August 23, 2022
    Assignee: Novartis AG
    Inventors: Luis Brito, Delai Chen, Gabriel Gamber, Andrew Geall, Kevin Love, Thomas Zabawa, Frederic Zecri
  • Publication number: 20210395721
    Abstract: Compositions and methods for reducing nucleotide oxidation during electroporation, specifically the use of free radical scavengers to reduce electroporation-induced oxidation, are described. Compositions and methods for enhancing transfection efficiency are also described.
    Type: Application
    Filed: October 23, 2019
    Publication date: December 23, 2021
    Applicants: Codiak BioSciences, Inc., MaxCyte, Inc.
    Inventors: Raymond W. BOURDEAU, Delai CHEN, Rane HARRISON, Kathryn E. GOLDEN, Douglas E. WILLIAMS, Sergey DZEKUNOV, Madhusudan PESHWA
  • Publication number: 20210262931
    Abstract: Described herein are novel rapid and reliable methods of detection of extracellular vesicles and quantifying extracellular vesicle concentrations and absolute number from various sources, including raw cell harvest. The methods described herein comprise detection of light scattering of extracellular vesicles in biological samples. Extracellular vesicles analyzed by the methods of this application have a stereotypical elution profile distinct from known contaminants. The methods described herein are a significant improvement over the state of the art and fulfills an unmet need in the field of extracellular vesicle manufacturing and quality control.
    Type: Application
    Filed: June 21, 2019
    Publication date: August 26, 2021
    Applicant: Codiak BioSciences, Inc.
    Inventors: Young Jun CHOI, Damian J. HOUDE, Delai CHEN, Douglas E. WILLIAMS
  • Patent number: 11013696
    Abstract: This invention provides for a compound of formula (I): or a pharmaceutically acceptable salt thereof, wherein R1-R3, n, p, L1 and L2 are defined herein. The compounds of formula (I) and pharmaceutically acceptable salts thereof are cationic lipids useful in the delivery of biologically active agents to cells and tissues.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: May 25, 2021
    Assignee: Novartis AG
    Inventors: Luis Brito, Delai Chen, Gabriel Grant Gamber, Andrew Geall, Kevin Love, Thomas Zabawa, Frederic Zecri
  • Publication number: 20210078936
    Abstract: This invention provides for a compound of formula (I): or a pharmaceutically acceptable salt thereof, wherein R1-R4, L1, n and p are defined herein. The compounds of formula (X) and pharmaceutically acceptable salts thereof are cationic lipids useful in the delivery of biologically active agents to cells and tissues.
    Type: Application
    Filed: November 25, 2020
    Publication date: March 18, 2021
    Inventors: Luis BRITO, Delai CHEN, Gabriel GAMBER, Andrew GEALL, Kevin LOVE, Thomas ZABAWA, Frederic ZECRI
  • Publication number: 20210069100
    Abstract: Biomedical devices for implantation with decreased pericapsular fibrotic overgrowth are disclosed. The device includes biocompatible materials and has specific characteristics that allow the device to elicit less of a fibrotic reaction after implantation than the same device lacking one or more of these characteristic that are present on the device. Biocompatible hydrogel capsules encapsulating mammalian cells having a diameter of greater than 1 mm, and optionally a cell free core, are disclosed which have reduced fibrotic overgrowth after implantation in a subject. Methods of treating a disease in a subject are also disclosed that involve administering a therapeutically effective amount of the disclosed encapsulated cells to the subject.
    Type: Application
    Filed: September 17, 2020
    Publication date: March 11, 2021
    Inventors: Minglin Ma, Daniel G. Anderson, Robert S. Langer, Omid Veiseh, Joshua Charles Doloff, Delai Chen, Christian J. Kastrup, Arturo Jose Vegas
  • Patent number: 10906867
    Abstract: This invention provides for a compound of formula (I): or a pharmaceutically acceptable salt thereof, wherein R1-R4, L1, n and p are defined herein. The compounds of formula (X) and pharmaceutically acceptable salts thereof are cationic lipids useful in the delivery of biologically active agents to cells and tissues.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: February 2, 2021
    Assignee: Novartis AG
    Inventors: Luis Brito, Delai Chen, Gabriel Grant Gamber, Andrew Geall, Kevin Love, Thomas Zabawa, Frederic Zecri
  • Patent number: 10835486
    Abstract: Biocompatible hydrogel capsules encapsulating mammalian cells having a diameter of greater than 1 mm, and optionally a cell free core, are disclosed which have reduced fibrotic overgrowth after implantation in a subject. Methods of treating a disease in a subject are also disclosed that involve administering a therapeutically effective amount of the disclosed encapsulated cells to the subject.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: November 17, 2020
    Assignees: Massachusetts Institute of Technology, The Children's Medical Center Corporation
    Inventors: Minglin Ma, Daniel G. Anderson, Robert S. Langer, Omid Veiseh, Arturo Jose Vegas, Joshua Charles Doloff, Delai Chen, Christian J. Kastrup
  • Publication number: 20200330501
    Abstract: Described herein are compounds and compositions characterized, in certain embodiments, by conjugation of various groups, such as lipophilic groups, to an amino or amide group of an amino acid, a linear or cyclic peptide, a linear or cyclic polypeptide, or structural isomer thereof, to provide compounds of the present invention, collectively referred to herein as “APPLs”. Such APPLs are deemed useful for a variety of applications, such as, for example, improved nucleotide delivery. Exemplary APPLs include, but are not limited to, compounds of Formula (I), (II), (III), (IV), (V), and (VI), and salts thereof, as described herein: wherein m, n, p, R?, R1, R2, R3, R4, R5, R8, Z, W, Y, and Z are as defined herein.
    Type: Application
    Filed: May 5, 2020
    Publication date: October 22, 2020
    Applicant: Massachusetts Institute of Technology
    Inventors: Yizhou Dong, Kevin Love, Robert S. Langer, Daniel Griffith Anderson, Delai Chen, Yi Chen, Arturo Jose Vegas, Akinleye C. Alabi, Yunlong Zhang
  • Patent number: 10786446
    Abstract: Biomedical devices for implantation with decreased pericapsular fibrotic overgrowth are disclosed. The device includes biocompatible materials and has specific characteristics that allow the device to elicit less of a fibrotic reaction after implantation than the same device lacking one or more of these characteristic that are present on the device. Biocompatible hydrogel capsules encapsulating mammalian cells having a diameter of greater than 1 mm, and optionally a cell free core, are disclosed which have reduced fibrotic overgrowth after implantation in a subject. Methods of treating a disease in a subject are also disclosed that involve administering a therapeutically effective amount of the disclosed encapsulated cells to the subject.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: September 29, 2020
    Assignees: MASSACHUSETTS INSTITUTE OF TECHNOLOGY, THE CHILDREN'S MEDICAL CENTER CORPORATION
    Inventors: Minglin Ma, Daniel G. Anderson, Robert S. Langer, Omid Veiseh, Joshua Charles Doloff, Delai Chen, Christian J. Kastrup, Arturo Jose Vegas
  • Patent number: 10682374
    Abstract: Described herein are compounds and compositions characterized, in certain embodiments, by conjugation of various groups, such as lipophilic groups, to an amino or amide group of an amino acid, a linear or cyclic peptide, a linear or cyclic polypeptide, or structural isomer thereof, to provide compounds of the present invention, collectively referred to herein as “APPLs”. Such APPLs are deemed useful for a variety of applications, such as, for example, improved nucleotide delivery. Exemplary APPLs include, but are not limited to, compounds of Formula (I), (II), (III), (IV), (V), and (VI), and salts thereof, as described herein: wherein m, n, p, R?, R1, R2, R3, R4, R5, R8, Z, W, Y, and Z are as defined herein.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: June 16, 2020
    Assignee: Massachusetts Intstitute of Technology
    Inventors: Yizhou Dong, Kevin Thomas Love, Robert S. Langer, Daniel Griffith Anderson, Delai Chen, Yi Chen, Arturo Jose Vegas, Akinleye C. Alabi, Yunlong Zhang
  • Patent number: 10543485
    Abstract: A device is described having a first surface having a plurality of first areas and a second surface having a plurality of second areas. The first surface and the second surface are opposed to one another and can move relative to each other from at least a first position where none of the plurality of first areas, having a first substance, are exposed to plurality of second areas, having a second substance, to a second position. When in the second position, the plurality of first and second areas, and therefore the first and second substances, are exposed to one another. The device may further include a series of ducts in communication with a plurality of first second areas to allow for a substance to be disposed in, or upon, the plurality of second areas when in the first position.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: January 28, 2020
    Assignee: University of Chicago
    Inventors: Rustem F. Ismagilov, Wenbin Du, Liang Li, Feng Shen, Kevin Paul Flood Nichols, Delai Chen, Jason Eugene Kreutz
  • Publication number: 20190358170
    Abstract: This invention provides for a compound of formula (I): or a pharmaceutically acceptable salt thereof, wherein R1-R3, n, p, L1 and L2 are defined herein. The compounds of formula (I) and pharmaceutically acceptable salts thereof are cationic lipids useful in the delivery of biologically active agents to cells and tissues.
    Type: Application
    Filed: August 12, 2019
    Publication date: November 28, 2019
    Inventors: Luis Brito, Delai Chen, Gabriel Grant Gamber, Andrew Geall, Kevin Love, Thomas Zabawa, Frederic Zecri
  • Patent number: 10426737
    Abstract: This invention provides for a compound of formula (I) or a pharmaceutically acceptable salt thereof, wherein R1-R3, n, p, L1 and L2 are defined herein. The compounds of formula (I) and pharmaceutically acceptable salts thereof are cationic lipids useful in the delivery of biologically active agents to cells and tissues.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: October 1, 2019
    Assignee: Novartis AG
    Inventors: Luis Brito, Delai Chen, Gabriel Grant Gamber, Andrew Geall, Kevin Love, Thomas Zabawa, Frederic Zecri
  • Publication number: 20190091139
    Abstract: Biomedical devices for implantation with decreased pericapsular fibrotic overgrowth are disclosed. The device includes biocompatible materials and has specific characteristics that allow the device to elicit less of a fibrotic reaction after implantation than the same device lacking one or more of these characteristic that are present on the device. Biocompatible hydrogel capsules encapsulating mammalian cells having a diameter of greater than 1 mm, and optionally a cell free core, are disclosed which have reduced fibrotic overgrowth after implantation in a subject. Methods of treating a disease in a subject are also disclosed that involve administering a therapeutically effective amount of the disclosed encapsulated cells to the subject.
    Type: Application
    Filed: November 26, 2018
    Publication date: March 28, 2019
    Inventors: Minglin Ma, Daniel G. Anderson, Robert S. Langer, Omid Veiseh, Joshua Charles Doloff, Delai Chen, Christian J. Kastrup, Arturo Jose Vegas
  • Publication number: 20190076462
    Abstract: Described herein are compounds and compositions characterized, in certain embodiments, by conjugation of various groups, such as lipophilic groups, to an amino or amide group of an amino acid, a linear or cyclic peptide, a linear or cyclic polypeptide, or structural isomer thereof, to provide compounds of the present invention, collectively referred to herein as “APPLs”. Such APPLs are deemed useful for a variety of applications, such as, for example, improved nucleotide delivery. Exemplary APPLs include, but are not limited to, compounds of Formula (I), (II), (III), (IV), (V), and (VI), and salts thereof, as described herein: wherein m, n, p, R?, R1, R2, R3, R4, R5, R8, Z, W, Y, and Z are as defined herein.
    Type: Application
    Filed: September 10, 2018
    Publication date: March 14, 2019
    Applicant: Massachusetts Institute of Technology
    Inventors: Yizhou Dong, Kevin Thomas Love, Robert S. Langer, Daniel Griffith Anderson, Delai Chen, Yi Chen, Arturo Jose Vegas, Akinleye C. Alabi, Yunlong Zhang
  • Patent number: 10172791
    Abstract: Biomedical devices for implantation with decreased pericapsular fibrotic overgrowth are disclosed. The device includes biocompatible materials and has specific characteristics that allow the device to elicit less of a fibrotic reaction after implantation than the same device lacking one or more of these characteristic that are present on the device. Biocompatible hydrogel capsules encapsulating mammalian cells having a diameter of greater than 1 mm, and optionally a cell free core, are disclosed which have reduced fibrotic overgrowth after implantation in a subject. Methods of treating a disease in a subject are also disclosed that involve administering a therapeutically effective amount of the disclosed encapsulated cells to the subject.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: January 8, 2019
    Assignee: Massachusetts Institute of Technology
    Inventors: Minglin Ma, Daniel G. Anderson, Robert S. Langer, Omid Veiseh, Joshua Charles Doloff, Delai Chen, Christian J. Kastrup, Arturo Jose Vegas