Patents by Inventor Frank O. ONYEMAUWA

Frank O. ONYEMAUWA 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).

  • Hydrophilic porous polytetrafluoroethylene membrane (II)
    Patent number: 10315168
    Abstract: Disclosed are hydrophilic porous PTFE membranes comprising PTFE and an amphiphilic copolymer of the formula (I): wherein Rf, Rh1, Rh2, Y, m, n, and o are as described herein. Also disclosed are a method of preparing hydrophilic porous PTFE membranes and a method of filtering fluids through such membranes.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: June 11, 2019
    Assignee: Pall Corporation
    Inventors: Marcin Stasiak, Hassan Ait-Haddou, Frank O. Onyemauwa, Amarnauth Singh
  • HYDROPHILIC POROUS POLYTETRAFLUOROETHYLENE MEMBRANE (II)
    Publication number: 20170028362
    Abstract: Disclosed are hydrophilic porous PTFE membranes comprising PTFE and an amphiphilic copolymer of the formula (I): wherein Rf, Rh1, Rh2, Y, m, n, and o are as described herein. Also disclosed are a method of preparing hydrophilic porous PTFE membranes and a method of filtering fluids through such membranes.
    Type: Application
    Filed: July 31, 2015
    Publication date: February 2, 2017
    Applicant: PALL CORPORATION
    Inventors: Marcin STASIAK, Hassan AIT-HADDOU, Frank O. ONYEMAUWA, Amarnauth SINGH