Patents by Inventor NATHANIEL H. PARK

NATHANIEL H. PARK 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: 20210363296
    Abstract: Techniques regarding post polymerization modifications to polycarbonate polymers via a flow reactor are provided. For example, one or more embodiments described herein can comprise a cyclic carbonate monomer that can be employed to facilitate polymerization of one or more polycarbonate platforms susceptible to post polymerization modification. For instance, one or more embodiments can regard a cyclic carbonate molecular backbone covalently bonded to an aryl halide functional group via in accordance with a chemical structure selected from the group consisting of: In the chemical structures, “R1” can be selected from the group consisting of a hydrogen atom and a functional group comprising a first alkyl group; “L” can represent a linkage group, comprising: a second alkyl group and an end group having at least one member selected from the group consisting of an oxygen atom and a nitrogen atom; and “A” can represent the aryl halide functional group.
    Type: Application
    Filed: May 22, 2020
    Publication date: November 25, 2021
    Inventors: Nathaniel H. Park, Victoria A. Piunova, Dmitry Zubarev, James L. Hedrick, Yi Yan Yang, Eddy Wei Ping Tan
  • Patent number: 11179475
    Abstract: Techniques regarding the transportation of molecular cargo across the BBB are provided. For example, one or more embodiments described herein can comprise a chemical compound to facilitate molecular encapsulation of the molecular cargo. The chemical compound can comprise a diblock copolymer having a molecular backbone comprising a polycarbonate structure and a polyethylene glycol structure. Also, the polycarbonate structure can be functionalized with boronic acid.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: November 23, 2021
    Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
    Inventors: James L. Hedrick, Nathaniel H. Park, Yi Yan Yang, Zhi Xiang Voo, Jeremy Tan
  • Patent number: 11167036
    Abstract: The subject disclosure is directed to techniques for enhancing the selectivity and efficacy of therapeutic polymers against a broad spectrum of pathogens and cancer cell lines. According to an embodiment, a method is provided that comprises forming a therapeutic polymer based on polymerization of a plurality of therapeutic monomers, wherein the therapeutic polymer provides a therapeutic functionality. The method further comprises attaching biotin to the therapeutic polymer, resulting in a biotin-functionalized therapeutic polymer, wherein the biotin-functionalized therapeutic polymer provides greater therapeutic efficacy relative to the therapeutic polymer.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: November 9, 2021
    Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
    Inventors: James L. Hedrick, Nathaniel H. Park, Yi Yan Yang, Zhi Xiang Voo
  • Patent number: 11161870
    Abstract: The subject disclosure is directed to functionalized bile acids, preparation thereof, and usage thereof for therapeutic and material applications. In one embodiment, a method of generating functionalized bile acid materials can comprise directly activating a carboxylic acid of a bile acid compound using a coupling agent comprising an amide or ester compound, thereby generating an intermediate bile acid derivative material. The method can further comprise attaching a functional group material to the intermediate bile acid derivative material by reacting the functional group material and the intermediate bile acid derivative material, thereby generating a functionalized bile acid material.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: November 2, 2021
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: James L. Hedrick, Nathaniel H. Park
  • Publication number: 20210324133
    Abstract: Techniques regarding chemical compounds comprising perfluoroaryl groups that can facilitate post-synthesis functionalization are provided. For example, one or more embodiments described herein can comprise a chemical compound. The chemical compound can comprise a molecular backbone. The chemical compound can also comprise a pendent functional group bonded to the molecular backbone. The pendent functional group can comprise a perfluoroaryl group and a methylene group.
    Type: Application
    Filed: July 1, 2021
    Publication date: October 21, 2021
    Inventors: Nathaniel H. Park, James L. Hedrick, Gavin Jones
  • Publication number: 20210304852
    Abstract: Candidate material for polymerization can be received. One or more desired features in the candidate material can be identified. A machine learning model can be trained to generate a new material having one or more of the desired features. Permissively, the candidate material can be determined from running a machine learning classification model that ranks a plurality of material as candidates. Permissively, the generated new material can be input to the machine learning classification model, for the machine learning classification model to include in ranking the plurality of material as candidates.
    Type: Application
    Filed: March 31, 2020
    Publication date: September 30, 2021
    Inventors: Petar Ristoski, Dmitry Zubarev, Linda Ha Kato, Anna Lisa Gentile, Nathaniel H. Park, Daniel Gruhl, Steven R. Welch, Daniel Paul Sanders, James L. Hedrick, Chandrasekhar Narayan, Chad Eric DeLuca, Alfredo Alba
  • Publication number: 20210299160
    Abstract: Techniques regarding a chemical composition that can be utilized within one or more combination therapies to treat a microbial infection are provided. For example, one or more embodiments described herein can comprise a chemical composition that includes a first triblock polymer comprising a quaternary ammonium functionalized polycarbonate block and exhibiting anticancer activity via a lytic mechanism. The chemical composition can also include a second triblock polymer comprising a guanidinium functionalized polycarbonate block and exhibiting anticancer activity via a translocation mechanism.
    Type: Application
    Filed: March 27, 2020
    Publication date: September 30, 2021
    Inventors: James L. Hedrick, Yi Yan Yang, Nathaniel H. Park, Jiayu Leong, Chuan Yang, Xin Ding, Yiran Zhen, Cherylette Anne Alexander, Jye Yng Teo
  • Publication number: 20210303762
    Abstract: A set of material candidates expected to yield materials with target properties can be generated. A subject matter expert's decision indicating accepted and rejected material candidates from the set of material candidates can be received. Based on the subject matter expert's input, a machine learning model can be trained to replicate the subject matter expert's decision.
    Type: Application
    Filed: March 31, 2020
    Publication date: September 30, 2021
    Inventors: Petar Ristoski, Dmitry Zubarev, Linda Ha Kato, Anna Lisa Gentile, Nathaniel H. Park, Daniel Gruhl, Steven R. Welch, Daniel Paul Sanders, James L. Hedrick, Chandrasekhar Narayan, Chad Eric DeLuca, Alfredo Alba
  • Publication number: 20210292474
    Abstract: Techniques regarding catalyzing one or more ring-opening polymerizations within one or more flow reactors using one or more organometallic bases are provided. For example, one or more embodiments described herein can comprise a method, which can include forming a polymer, via a ring-opening polymerization within a flow reactor, from a cyclic monomer in the presence of an organometallic base and a primary alcohol initiator.
    Type: Application
    Filed: March 17, 2020
    Publication date: September 23, 2021
    Inventors: Nathaniel H. Park, James L. Hedrick, Pedro Luis Arrechea, Tim Erdmann, Binhong Lin, Robert M. Waymouth, Caleb Nathaniel Jadrich, Vince Evan Pane
  • Publication number: 20210289782
    Abstract: Techniques regarding polymers with antimicrobial functionality are provided. For example, one or more embodiments described herein can regard a polymer, which can comprise a repeating ionene unit. The repeating ionene unit can comprise a cation distributed along a degradable backbone. The degradable backbone can comprise a terephthalamide structure. Further, the repeating ionene unit can have antimicrobial functionality.
    Type: Application
    Filed: June 1, 2021
    Publication date: September 23, 2021
    Inventors: Mareva B. Fevre, James L. Hedrick, Nathaniel H. Park, Victoria A. Piunova, Pang Kern Jeremy Tan, Chuan Yang, Yi Yan Yang
  • Patent number: 11116844
    Abstract: Embodiments of the invention are directed to a macromolecular chemotherapeutic. A non-limiting example of the macromolecular chemotherapeutic includes a block copolymer. The block copolymer can include a water-soluble block, a cationic block, and a linker, wherein the linker is connected to the water-soluble bock and the charged block.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: September 14, 2021
    Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY
    Inventors: Dylan Boday, Wei Cheng, Jeannette M. Garcia, James Hedrick, Nathaniel H. Park, Rudy J. Wojtecki, Chuan Yang, YiYan Yang
  • Patent number: 11118008
    Abstract: Techniques regarding the synthesis of one or more polymers through one or more ring-opening polymerizations conducted within a flow reactor and facilitated by one or more anionic catalysts are provided. For example, one or more embodiments can comprise a method, which can comprise polymerizing, via a ring-opening polymerization within a flow reactor, a cyclic monomer in the presence of one or more anionic organocatalysts.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: September 14, 2021
    Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
    Inventors: Nathaniel H. Park, James L. Hedrick, Victoria A. Piunova, Dmitry Zubarev, Gavin O. Jones, Robert M. Waymouth, Binhong Lin
  • Publication number: 20210246309
    Abstract: Techniques regarding guanidinium functionalized polylysine polymers that can have antimicrobial and/or anticancer activity are provided. For example, one or more embodiments described herein can comprise a chemical composition, which can comprise a polymer comprising a molecular backbone covalently bonded to a pendent guanidinium functional group, wherein the molecular backbone can comprise a polylysine structure.
    Type: Application
    Filed: April 27, 2021
    Publication date: August 12, 2021
    Inventors: Nathaniel H. Park, James L. Hedrick, Victoria A. Piunova, Gavin Jones, Yi Yan Yang, Pang Kern Jeremy Tan, Chuan Yang, Cherylette Anne Alexander
  • Patent number: 11084897
    Abstract: Techniques regarding chemical compounds comprising perfluoroaryl groups that can facilitate post-synthesis functionalization are provided. For example, one or more embodiments described herein can comprise a chemical compound. The chemical compound can comprise a molecular backbone. The chemical compound can also comprise a pendent functional group bonded to the molecular backbone. The pendent functional group can comprise a perfluoroaryl group and a methylene group.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: August 10, 2021
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: James L. Hedrick, Nathaniel H. Park, Gavin Jones
  • Patent number: 11065367
    Abstract: Antibacterial coatings and methods of making the antibacterial coatings are described herein. In particular, a method for forming an organocatalyzed polythioether coating is provided in which a first solution including a bis-silylated dithiol and a fluoroarene is prepared. A second solution including an organocatalyst is prepared. The first solution and the second solution are mixed to form a mixed solution. The mixed solution is applied to a substrate, and the substrate is cured.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: July 20, 2021
    Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
    Inventors: Amos Cahan, Mareva B. Fevre, James L. Hedrick, Nathaniel H. Park, Theodore G. van Kessel, Rudy J. Wojtecki, Yi Yan Yang
  • Publication number: 20210212314
    Abstract: Techniques regarding chemical compounds with antimicrobial functionality are provided. For example, one or more embodiments describe herein can comprise a monomer that can comprise a molecular backbone. The molecular backbone can comprise a bis(urea)guanidinium structure covalently bonded to a functional group, which can comprise a radical. Also, the monomer can have supramolecular assembly functionality.
    Type: Application
    Filed: March 29, 2021
    Publication date: July 15, 2021
    Inventors: James L. Hedrick, Mareva B. Fevre, Nathaniel H. Park, Victoria A. Piunova, Yi Yan Yang, Pang Kern Jeremy Tan
  • Patent number: 11058110
    Abstract: Techniques regarding polymers with antimicrobial functionality are provided. For example, one or more embodiments described herein can regard a polymer, which can comprise a repeating ionene unit. The repeating ionene unit can comprise a cation distributed along a degradable backbone. The degradable backbone can comprise a terephthalamide structure. Further, the repeating ionene unit can have antimicrobial functionality.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: July 13, 2021
    Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
    Inventors: Mareva B. Fevre, James L. Hedrick, Nathaniel H. Park, Victoria A. Piunova, Pang Kern Jeremy Tan, Chuan Yang, Yi Yan Yang
  • Patent number: 11045552
    Abstract: A stimulus-responsive micellar carrier, methods that may be associated with making a stimulus-responsive micellar carrier, and methods that may be associated with using a stimulus-responsive micellar carrier are disclosed. The stimulus-responsive micellar carrier comprises a cargo molecule, and a linear block copolymer having a hydrophilic block connected to a hydrophobic block by a stimulus-responsive junction moiety. The micellar carrier can be supplied to a patient body for therapeutic purposes, such as the treatment of cancerous tissue. A method of preparing or obtaining a stimulus-responsive micellar carrier may include preparing a polyethylene glycol material having an acetal end group and then preparing a block copolymer by forming a reaction mixture including the polyethylene glycol material, a cyclic carbonate monomer, and a base.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: June 29, 2021
    Assignee: International Business Machines Corporation
    Inventors: Dylan J. Boday, Jeannette M. Garcia, James L. Hedrick, Nathaniel H. Park, Rudy J. Wojtecki, Yang Chuan, Ashlynn Lee, Zhen Chang Liang, Shaoqiong Liu, Yi Yan Yang
  • Patent number: 11034664
    Abstract: Techniques regarding the synthesis of cyclic carbonate monomers are provided. For example, one or more embodiments described herein can comprise a method, which can include cyclizing a functionalized diol monomer with N,N?-carbonyldiimidazole, wherein the cyclizing produces a cyclic carbonate monomer and an imidazole carbamate. The method can also include activating the imidazole carbamate with an acid, wherein the activating promotes cyclization of the imidazole carbamate into the cyclic carbonate monomer.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: June 15, 2021
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Nathaniel H. Park, James L. Hedrick, Victoria A Piunova, Pedro Arrechea, Tim Erdmann
  • Patent number: 11028264
    Abstract: Techniques regarding guanidinium functionalized polylysine polymers that can have antimicrobial and/or anticancer activity are provided. For example, one or more embodiments described herein can comprise a chemical composition, which can comprise a polymer comprising a molecular backbone covalently bonded to a pendent guanidinium functional group, wherein the molecular backbone can comprise a polylysine structure.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: June 8, 2021
    Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
    Inventors: Nathaniel H. Park, James L. Hedrick, Victoria A. Piunova, Gavin Jones, Yi Yan Yang, Pang Kern Jeremy Tan, Chuan Yang, Cherylette Anne Alexander