Patents by Inventor Chi-How Peng

Chi-How Peng 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: 20240425625
    Abstract: The present invention provides a preparing method of a polymer which is low-toxic, environmental-friendly, highly controllable, and low cost to obtain a polymer with high molecular weight. The preparing method comprises conducting a controlled radical polymerization process of monomer (Y). In the controlled radical polymerization process, organic compound (A) which has the formula (I) and radical initiator (B) are existing in a mole ratio (B/A) ranged from 0.5 to 25, wherein R1 is a hydrogen atom, alkyl group, aryl group, or hydroxyl group, the alkyl group can be alkyl having substituents or alkyl substituent, and the aryl group can be aryl having substituents or aryl substituent.
    Type: Application
    Filed: September 9, 2024
    Publication date: December 26, 2024
    Inventors: Takumi Takayama, Kazuhiko Maekawa, Tomoya Hosoki, Chi-How Peng
  • Patent number: 12134665
    Abstract: The present invention provides a preparing method of a polymer which is low-toxic, environmental-friendly, highly controllable, and low cost to obtain a polymer with high molecular weight. The preparing method comprises conducting a controlled radical polymerization process of monomer (Y). In the controlled radical polymerization process, organic compound (A) which has the formula (I) and radical initiator (B) are existing in a mole ratio (B/A) ranged from 0.5 to 25, wherein R1 is a hydrogen atom, alkyl group, aryl group, or hydroxyl group, the alkyl group can be alkyl having substituents or alkyl substituent, and the aryl group can be aryl having substituents or aryl substituent.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: November 5, 2024
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Takumi Takayama, Kazuhiko Maekawa, Tomoya Hosoki, Chi-How Peng
  • Patent number: 11667744
    Abstract: A block copolymer having the general formula as formula (1): mediator-P2-P1-X, formula (1), and the chemical structural formula is formula (2), in which the mediator in formula (1) and formula (2) is a regulator, which is a conjugated seven-membered ring structure, P1 is a first polymer which may be a conjugated or non-conjugated olefin monomer, R1 is the functional group of P1, n is the number of the monomer of P1, which is a positive integer and the range is 10˜1,500. P2 is a second polymer, m is the number of the monomer of P2, which is a positive integer and the range is 10˜1,500, and X is the end-functional group of the block copolymer.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: June 6, 2023
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventor: Chi-How Peng
  • Publication number: 20220325013
    Abstract: The present invention provides a preparing method of a polymer which is low-toxic, environmental-friendly, highly controllable, and low cost to obtain a polymer with high molecular weight. The preparing method comprises conducting a controlled radical polymerization process of monomer (Y). In the controlled radical polymerization process, organic compound (A) which has the formula (I) and radical initiator (B) are existing in a mole ratio (B/A) ranged from 0.5 to 25, wherein R1 is a hydrogen atom, alkyl group, aryl group, or hydroxyl group, the alkyl group can be alkyl having substituents or alkyl substituent, and the aryl group can be aryl having substituents or aryl substituent.
    Type: Application
    Filed: March 25, 2022
    Publication date: October 13, 2022
    Inventors: Takumi Takayama, Kazuhiko Maekawa, Tomoya Hosoki, Chi-How Peng
  • Publication number: 20220195100
    Abstract: A block copolymer having the general formula as formula (1): mediator-P2-P1-X, formula (1), and the chemical structural formula is formula (2), in which the mediator in formula (1) and formula (2) is a regulator, which is a conjugated seven-membered ring structure, P1 is a first polymer which may be a conjugated or non-conjugated olefin monomer, R1 is the functional group of P1, n is the number of the monomer of P1, which is a positive integer and the range is 10˜1,500. P2 is a second polymer, m is the number of the monomer of P2, which is a positive integer and the range is 10˜1,500, and X is the end-functional group of the block copolymer.
    Type: Application
    Filed: March 14, 2022
    Publication date: June 23, 2022
    Inventor: Chi-How PENG
  • Patent number: 11326013
    Abstract: A block copolymer having the general formula as formula (1): mediator-P2-P1-X, formula (1), and the chemical structural formula is formula (2), in which the mediator in formula (1) and formula (2) is a regulator, which is a conjugated seven-membered ring structure, P1 is a first polymer which may be a conjugated or non-conjugated olefin monomer, R1 is the functional group of P1, n is the number of the monomer of P1, which is a positive integer and the range is 10˜1,500. P2 is a second polymer, m is the number of the monomer of P2, which is a positive integer and the range is 10˜1,500, and X is the end-functional group of the block copolymer.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: May 10, 2022
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventor: Chi-How Peng
  • Publication number: 20220002464
    Abstract: A block copolymer having the general formula as formula (1): mediator-P2-P1-X, formula (1), and the chemical structural formula is formula (2), in which the mediator in formula (1) and formula (2) is a regulator, which is a conjugated seven-membered ring structure, P1 is a first polymer which may be a conjugated or non-conjugated olefin monomer, R1 is the functional group of P1, n is the number of the monomer of P1, which is a positive integer and the range is 10˜1,500. P2 is a second polymer, m is the number of the monomer of P2, which is a positive integer and the range is 10˜1,500, and X is the end-functional group of the block copolymer.
    Type: Application
    Filed: September 28, 2020
    Publication date: January 6, 2022
    Inventor: Chi-How PENG
  • Publication number: 20200197320
    Abstract: A drug carrier includes a structure represented by formula (1) defined as in the specification is provided. The drug carrier can be used as a drug delivery system. The drug delivery system can include the drug carrier and an effective amount of a nucleic acid, in which the nucleic acid is encapsulated in the drug carrier. The drug delivery system also can include the drug carrier and an effective amount of an active substance, in which the active substance is encapsulated in the drug carrier.
    Type: Application
    Filed: August 23, 2019
    Publication date: June 25, 2020
    Inventors: Chi-How Peng, Hung-Hsun Lu
  • Publication number: 20200131357
    Abstract: The present disclosure provides a series of block copolymers including a hydrophilic segment and a hydrophobic segment with varied chain length. The hydrophilic segment includes a segment represented by formula (1), and the hydrophobic segment includes a segment represented by formula (2). Formula (1) and formula (2) are defined as in the specification. The block copolymer can be used as a dispersant of a pigment dispersion composition, a metal oxide dispersion composition or a dye dispersion composition.
    Type: Application
    Filed: May 21, 2019
    Publication date: April 30, 2020
    Inventors: Chi-How Peng, Hung-Hsun Lu