Patents by Inventor Abdul-Hackam Ranneh

Abdul-Hackam Ranneh 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).

  • PH-responsive polymer and drug delivery system
    Patent number: 11890347
    Abstract: A pH-responsive polymer formed of a biocompatible polymer to which a group which is electrically neutral under pH environments of more than 7 and which changes to be cationic at pH 7 or less is bonded.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: February 6, 2024
    Assignee: Tokyo Institute of Technology
    Inventors: Nobuhiro Nishiyama, Hiroyasu Takemoto, Abdul-Hackam Ranneh, Keishiro Tomoda, Takahiro Nomoto, Makoto Matsui
  • PH-RESPONSIVE POLYMER AND DRUG DELIVERY SYSTEM
    Publication number: 20200069807
    Abstract: A pH-responsive polymer formed of a biocompatible polymer to which a group which is electrically neutral under pH environments of more than 7 and which changes to be cationic at pH 7 or less is bonded.
    Type: Application
    Filed: December 5, 2017
    Publication date: March 5, 2020
    Inventors: Nobuhiro Nishiyama, Hiroyasu Takemoto, Abdul-Hackam Ranneh, Keishiro Tomoda, Takahiro Nomoto, Makoto Matsui