Patents by Inventor Zhongling Feng

Zhongling Feng 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: 9855338
    Abstract: Various biodegradable polyglutamate-amino acids comprising recurring units of the general formulae (I) and (II) are prepared. Such polymers are useful for variety of drug, biomolecule and imaging agent delivery applications.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: January 2, 2018
    Assignee: Nitto Denko Corporation
    Inventors: Lei Yu, Gang Zhao, Sang Van, Sanjib Kumar Das, Zhongling Feng, Xiaoli Fu, Xinghe Wang, Yi Jin, Fu Chen
  • Publication number: 20170119889
    Abstract: Various biodegradable polyglutamate-amino acids comprising recurring units of the general formulae (I) and (II) are prepared. Such polymers are useful for variety of drug, biomolecule and imaging agent delivery applications.
    Type: Application
    Filed: November 17, 2016
    Publication date: May 4, 2017
    Inventors: Lei Yu, Gang Zhao, Sang Van, Sanjib Kumar Das, Zhongling Feng, Xiaoli Fu, Xinghe Wang
  • Patent number: 8329199
    Abstract: Various compositions that include a hydrophobic compound and a polyamino acid conjugate are prepared. The compositions described herein are useful for a variety of drug, biomolecule, and imaging agent delivery applications.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: December 11, 2012
    Assignee: Nitto Denko Corporation
    Inventors: Sang Van, Yucheng Song, Xinghe Wang, Zheng Hou, Zhongling Feng, Gang Zhao, Lei Yu
  • Publication number: 20120230917
    Abstract: Various compositions that include a hydrophobic compound and a polyamino acid conjugate are prepared. The compositions described herein are useful for a variety of drug, biomolecule, and imaging agent delivery applications.
    Type: Application
    Filed: May 18, 2012
    Publication date: September 13, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Sang Van, Yucheng Song, Xinghe Wang, Zheng Hou, Zhongling Feng, Gang Zhao, Lei Yu
  • Patent number: 8197828
    Abstract: Various compositions that include a hydrophobic compound and a polyamino acid conjugate are prepared. The compositions described herein are useful for a variety of drug, biomolecule, and imaging agent delivery applications.
    Type: Grant
    Filed: May 8, 2008
    Date of Patent: June 12, 2012
    Assignee: Nitto Denko Corporation
    Inventors: Sang Van, Yucheng Song, Xinghe Wang, Zheng Hou, Zhongling Feng, Gang Zhao, Lei Yu
  • Publication number: 20080279777
    Abstract: Various compositions that include a hydrophobic compound and a polyamino acid conjugate are prepared. The compositions described herein are useful for a variety of drug, biomolecule, and imaging agent delivery applications.
    Type: Application
    Filed: May 8, 2008
    Publication date: November 13, 2008
    Applicant: NITTO DENKO CORPORATION
    Inventors: Sang Van, Yucheng Song, Xinghe Wang, Zheng Hou, Zhongling Feng, Gang Zhao, Lei Yu
  • Publication number: 20070128118
    Abstract: Various biodegradable polyglutamate-amino acids comprising recurring units of the general formulae (I) and (II) are prepared. Such polymers are useful for variety of drug, biomolecule and imaging agent delivery applications.
    Type: Application
    Filed: December 1, 2006
    Publication date: June 7, 2007
    Applicant: Nitto Denko Corporation
    Inventors: Lei Yu, Gang Zhao, Sang Van, Sanjib Das, Zhongling Feng, Xiaoli Fu, Xinghe Wang, Yi Jin, Fu Chen