Patents by Inventor Pang Kern Jeremy Tan
Pang Kern Jeremy Tan 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).
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Publication number: 20230331988Abstract: 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: ApplicationFiled: June 12, 2023Publication date: October 19, 2023Inventors: Nathaniel H. Park, James L. Hedrick, Victoria A. Piunova, Gavin Jones, Yi Yan Yang, Pang Kern Jeremy Tan, Chuan Yang, Cherylette Anne Alexander
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Patent number: 11723363Abstract: 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: GrantFiled: June 1, 2021Date of Patent: August 15, 2023Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Mareva B. Fevre, James L. Hedrick, Nathaniel H. Park, Victoria A. Piunova, Pang Kern Jeremy Tan, Chuan Yang, Yi Yan Yang
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Patent number: 11725107Abstract: 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: GrantFiled: April 27, 2021Date of Patent: August 15, 2023Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Nathaniel H. Park, James L. Hedrick, Victoria A. Piunova, Gavin Jones, Yi Yan Yang, Pang Kern Jeremy Tan, Chuan Yang, Cherylette Anne Alexander
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Patent number: 11617367Abstract: 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: GrantFiled: March 29, 2021Date of Patent: April 4, 2023Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: James L. Hedrick, Mareva B. Fevre, Nathaniel H. Park, Victoria A. Piunova, Yi Yan Yang, Pang Kern Jeremy Tan
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Patent number: 11525036Abstract: Techniques regarding killing of a pathogen with one or more ionene compositions having antimicrobial functionality are provided. For example, one or more embodiments can comprise a method, which can comprise contacting a Mycobacterium tuberculosis microbe with a chemical compound. The chemical compound can comprise an ionene unit. Also, the ionene unit can comprise a cation distributed along a molecular backbone. The ionene unit can have antimicrobial functionality. The method can further comprise electrostatically disrupting a membrane of the Mycobacterium tuberculosis microbe in response to the contacting.Type: GrantFiled: October 16, 2020Date of Patent: December 13, 2022Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Mareva B. Fevre, James L. Hedrick, Nathaniel H. Park, Victoria A. Piunova, Pang Kern Jeremy Tan, Chuan Yang, Yi Yan Yang
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Publication number: 20220356210Abstract: Described herein are peptides that may self-assemble into hydrogels. The peptide comprises an amino acid sequence of alternating hydrophobic amino acids (X) and hydrophilic amino acids (Y), wherein each hydrophobic amino acid is independently selected from isoleucine (I), valine (V) and leucine (L), each hydrophilic amino acid is independently selected from arginine (R), lysine (K), glutamic acid (E), and aspartic acid (D), at least one hydrophilic amino acid is selected from arginine and lysine, at least one hydrophilic amino acid is selected from glutamic acid and aspartic acid, and the amino acid sequence contains at least 8 amino acids. Further described is a composition comprising a hydrogel formed of the peptides in a beta-sheet conformation and water or a dried form of the hydrogel. The hydrogel may be used for growing cells. In another aspect, a hybrid hydrogel prepared from IIK12 (IRIKIEIEIRIK) and IK8L (IRIKIRIK) may be used to treat a bacterial and/or fungal infection.Type: ApplicationFiled: July 22, 2020Publication date: November 10, 2022Applicant: Agency for Science, Technology and ResearchInventors: Yiyan YANG, Shaoqiong LIU, Pang Kern Jeremy TAN, Zhan Yuin ONG
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Publication number: 20220009966Abstract: De novo, artificial intelligence (AI) designed antimicrobial peptides (AMPs), antibacterial products comprising the AMPs and methods for treating bacterial infections using the products are provided. In one or more embodiments, the AMPs were designed using conditional latent attribute space sampling (CLaSS). The AMPs comprise up to twenty natural amino acids in length, including one with twelve and another with thirteen natural amino acids in length. The AMPs demonstrate low-toxicity and show high antimicrobial potency against diverse pathogens including multi-medication-resistant Gram negative Klebsiella pneumoniae.Type: ApplicationFiled: September 28, 2021Publication date: January 13, 2022Inventors: Payel Das, Flaviu Cipcigan, James L. Hedrick, Yi Yan Yang, Kahini Wadhawan, Inkit Padhi, Enara C Vijil, Pang Kern Jeremy Tan
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Patent number: 11198761Abstract: Synthesis of polyionenes with built-in degradable linkers through addition polymerization of a novel class of degradable A2-type monomers (d-A2), and their use as antimicrobial agents are disclosed. A library of biodegradable polyionenes and Gemini-surfactants made from d-A2 monomers are also disclosed. These materials have potent and broad spectrum of antimicrobial activity with high selectivity over mammalian cells.Type: GrantFiled: February 19, 2018Date of Patent: December 14, 2021Assignee: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Yi Yan Yang, Shrinivas Venkataraman, Pang Kern Jeremy Tan
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Publication number: 20210363183Abstract: De novo, artificial intelligence (AI) designed antimicrobial peptides (AMPs), antibacterial products comprising the AMPs and methods for treating bacterial infections using the products are provided. In one or more embodiments, the AMPs were designed using conditional latent attribute space sampling (CLaSS). The AMPs comprise up to twenty natural amino acids in length, including one with twelve and another with thirteen natural amino acids in length. The AMPs demonstrate low-toxicity and show high antimicrobial potency against diverse pathogens including multi-medication-resistant Gram negative Klebsiella pneumoniae.Type: ApplicationFiled: May 21, 2020Publication date: November 25, 2021Inventors: Payel Das, Flaviu Cipcigan, James L. Hedrick, Yi Yan Yang, Kahini Wadhawan, Inkit Padhi, Enara C Vijil, Pang Kern Jeremy Tan
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Patent number: 11174289Abstract: De novo, artificial intelligence (AI) designed antimicrobial peptides (AMPs), antibacterial products comprising the AMPs and methods for treating bacterial infections using the products are provided. In one or more embodiments, the AMPs were designed using conditional latent attribute space sampling (CLaSS). The AMPs comprise up to twenty natural amino acids in length, including one with twelve and another with thirteen natural amino acids in length. The AMPs demonstrate low-toxicity and show high antimicrobial potency against diverse pathogens including multi-medication-resistant Gram negative Klebsiella pneumoniae.Type: GrantFiled: May 21, 2020Date of Patent: November 16, 2021Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Payel Das, Flaviu Cipcigan, James L. Hedrick, Yi Yan Yang, Kahini Wadhawan, Inkit Padhi, Enara C Vijil, Pang Kern Jeremy Tan
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Publication number: 20210289782Abstract: 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: ApplicationFiled: June 1, 2021Publication date: September 23, 2021Inventors: Mareva B. Fevre, James L. Hedrick, Nathaniel H. Park, Victoria A. Piunova, Pang Kern Jeremy Tan, Chuan Yang, Yi Yan Yang
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Publication number: 20210246309Abstract: 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: ApplicationFiled: April 27, 2021Publication date: August 12, 2021Inventors: Nathaniel H. Park, James L. Hedrick, Victoria A. Piunova, Gavin Jones, Yi Yan Yang, Pang Kern Jeremy Tan, Chuan Yang, Cherylette Anne Alexander
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Publication number: 20210212314Abstract: 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: ApplicationFiled: March 29, 2021Publication date: July 15, 2021Inventors: James L. Hedrick, Mareva B. Fevre, Nathaniel H. Park, Victoria A. Piunova, Yi Yan Yang, Pang Kern Jeremy Tan
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Patent number: 11058110Abstract: 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: GrantFiled: March 25, 2020Date of Patent: July 13, 2021Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Mareva B. Fevre, James L. Hedrick, Nathaniel H. Park, Victoria A. Piunova, Pang Kern Jeremy Tan, Chuan Yang, Yi Yan Yang
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Patent number: 11028264Abstract: 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: GrantFiled: August 5, 2019Date of Patent: June 8, 2021Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Nathaniel H. Park, James L. Hedrick, Victoria A. Piunova, Gavin Jones, Yi Yan Yang, Pang Kern Jeremy Tan, Chuan Yang, Cherylette Anne Alexander
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Patent number: 11006628Abstract: 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: GrantFiled: January 16, 2020Date of Patent: May 18, 2021Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Mareva B. Fevre, James L. Hedrick, Nathaniel H. Park, Victoria A. Piunova, Pang Kern Jeremy Tan, Yi Yan Yang
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Publication number: 20210040265Abstract: Techniques regarding killing of a pathogen with one or more ionene compositions having antimicrobial functionality are provided. For example, one or more embodiments can comprise a method, which can comprise contacting a Mycobacterium tuberculosis microbe with a chemical compound. The chemical compound can comprise an ionene unit. Also, the ionene unit can comprise a cation distributed along a molecular backbone. The ionene unit can have antimicrobial functionality. The method can further comprise electrostatically disrupting a membrane of the Mycobacterium tuberculosis microbe in response to the contacting.Type: ApplicationFiled: October 16, 2020Publication date: February 11, 2021Inventors: Mareva B. Fevre, James L. Hedrick, Nathaniel H. Park, Victoria A. Piunova, Pang Kern Jeremy Tan, Chuan Yang, Yi Yan Yang
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Publication number: 20210040319Abstract: 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: ApplicationFiled: August 5, 2019Publication date: February 11, 2021Inventors: Nathaniel H. Park, James L. Hedrick, Victoria A. Piunova, Gavin Jones, Yi Yan Yang, Pang Kern Jeremy Tan, Chuan Yang, Cherylette Anne Alexander
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Patent number: 10836864Abstract: Techniques regarding killing of a pathogen with one or more ionene compositions having antimicrobial functionality are provided. For example, one or more embodiments can comprise a method, which can comprise contacting a Mycobacterium tuberculosis microbe with a chemical compound. The chemical compound can comprise an ionene unit. Also, the ionene unit can comprise a cation distributed along a molecular backbone. The ionene unit can have antimicrobial functionality. The method can further comprise electrostatically disrupting a membrane of the Mycobacterium tuberculosis microbe in response to the contacting.Type: GrantFiled: December 12, 2017Date of Patent: November 17, 2020Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Mareva B. Fevre, James L. Hedrick, Nathaniel H. Park, Victoria A. Piunova, Pang Kern Jeremy Tan, Chuan Yang, Yi Yan Yang
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Patent number: 10743537Abstract: Techniques regarding ionene compositions with antimicrobial functionality are provided. For example, one or more embodiments can comprise a monomer, which can comprise a single ionene unit. The single ionene unit can comprise a cation distributed along a molecular backbone. Also, a hydrophobic functional group can be covalently bonded to the molecular backbone, and the single ionene unit can have antimicrobial functionality.Type: GrantFiled: December 12, 2017Date of Patent: August 18, 2020Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Mareva B. Fevre, James L. Hedrick, Nathaniel H. Park, Victoria A. Piunova, Pang Kern Jeremy Tan, Yi Yan Yang, Mu San Zhang