Patents by Inventor Pao-Nien Chen

Pao-Nien 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).

  • Patent number: 8785459
    Abstract: A compound for treating protein kinase-related disease or disorder having a structure of formula (A): wherein X is N or CH; Y is NH, O, or CH2; Z is an aryl or a heteroaryl; and R1, R2, R3, and R4 are independently H, halo, nitro, cyano, aryl, heteroaryl, alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, cycloalkenyl, heterocycloalkenyl, —ORa, —C(O)Ra, —C(O)NRaRb, —NRaC(O)Rb, —NRaRb, —S(O)2Ra, —S(O)2NRaRb, —NRaS(O)2Rb, —N?CRaRb, or —NRaC(O)NHRb, wherein each of Ra and Rb, independently, is H, alkyl, alkenyl, alkynyl, aryl, aryloxy, alkoxy, hydroxy, heteroaryl, cycloalkyl, heterocycloalkyl, cycloalkenyl, or heterocycloalkenyl, or Ra and Rb, together with the nitrogen atom to which they are bonded, form heteroaryl, heterocycloalkyl, or heterocycloalkenyl; or R3 and R4 are as defined above, and R1 and R2 together with the carbons, to which they are attached, form a heterocycloalkenyl or heteroaryl.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: July 22, 2014
    Assignee: Development Center for Biotechnology
    Inventors: Jiann-Jyh Huang, Chu-Bin Liao, Pao-Nien Chen
  • Publication number: 20130165458
    Abstract: A compound for treating protein kinase-related disease or disorder having a structure of formula (A): wherein X is N or CH; Y is NH, O, or CH2; Z is an aryl or a heteroaryl; and R1, R2, R3, and R4 are independently H, halo, nitro, cyano, aryl, heteroaryl, alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, cycloalkenyl, heterocycloalkenyl, —ORa, —C(O)Ra, —C(O)NRaRb, —NRaC(O)Rb, —NRaRb, —S(O)2Ra, —S(O)2NRa Rb, —NRaS(O)2Rb, —N?CRaRb, or —NRaC(O)NHRb, wherein each of Ra and Rb, independently, is H, alkyl, alkenyl, alkynyl, aryl, aryloxy, alkoxy, hydroxy, heteroaryl, cycloalkyl, heterocycloalkyl, cycloalkenyl, or heterocycloalkenyl, or Ra and Rb, together with the nitrogen atom to which they are bonded, form heteroaryl, heterocycloalkyl, or heterocycloalkenyl; or R3 and R4 are as defined above, and R1 and R2 together with the carbons, to which they are attached, form a heterocycloalkenyl or heteroaryl.
    Type: Application
    Filed: December 27, 2011
    Publication date: June 27, 2013
    Applicant: DEVELOPMENT CENTER FOR BIOTECHNOLOGY
    Inventors: Jiann-Jyh Huang, Chu-Bin Liao, Pao-Nien Chen
  • Patent number: 8058236
    Abstract: An aqueous inhalation pharmaceutical composition comprising a polypeptide or protein is provided. The composition of the present invention can improve the bioavailability of the polypeptide and protein, and avoid inducing toxicity in the lung.
    Type: Grant
    Filed: May 25, 2006
    Date of Patent: November 15, 2011
    Assignee: Development Center for Biotechnology
    Inventors: Pao-Nien Chen, Shyh-Fong Chen, Shu-Chien Liu, Fan-Jung Liu
  • Publication number: 20070140976
    Abstract: An aqueous inhalation pharmaceutical composition comprising a polypeptide or protein is provided. The composition of the present invention can improve the bioavailability of the polypeptide and protein, and avoid inducing toxicity in the lung.
    Type: Application
    Filed: May 25, 2006
    Publication date: June 21, 2007
    Applicant: Development Center For Biotechnology
    Inventors: Pao-Nien Chen, Shyh-Fong Chen, Shu-Chien Liu, Fan-Jung Liu
  • Patent number: 6183777
    Abstract: Disclosed is a controlled release tacrine dosage form, which comprises: (a) a core; (b) an inner active layer comprising tacrine and a binder; (c) a release-controlling layer comprising one or more release-controlling-film-forming polymer; and (d) an active overcoat comprising tacrine and a binder. Also disclosed is a process for preparing the controlled release dosage form.
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: February 6, 2001
    Assignee: Development Center for Biotechnology
    Inventors: Pao-Nien Chen, Chuan-Ming Lai, Shu-Jian Liu, Fan-Jung Liu, Shu-Bin Lu