Patents by Inventor Majed S. Nassar

Majed S. Nassar 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).

  • Composite membrane with multi-layered active layer
    Patent number: 10384172
    Abstract: A thin film composite membrane includes an active layer on a support membrane, wherein the active layer includes at least two chemically distinct first and second crosslinked polyamide film sub-layers. The first film sub-layer includes a polyamide unit; and the second film sub-layer includes a copolyamide with two chemically distinct polyamide units. The first film sub-layer is closer to the support than is the second film sub-layer.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: August 20, 2019
    Assignees: International Business Machines Corporation, King Abdulaziz City for Science and Technology (KACST)
    Inventors: Radwan A. Alrasheed, Blake W. Davis, Jacquana T. Diep, Geraud J. Dubois, Young-Hye Na, Majed S. Nassar, Ankit Vora
  • COMPOSITE MEMBRANE WITH MULTI-LAYERED ACTIVE LAYER
    Publication number: 20170144113
    Abstract: A thin film composite membrane includes an active layer on a support membrane, wherein the active layer includes at least two chemically distinct first and second crosslinked polyamide film sub-layers. The first film sub-layer includes a polyamide unit; and the second film sub-layer includes a copolyamide with two chemically distinct polyamide units. The first film sub-layer is closer to the support than is the second film sub-layer.
    Type: Application
    Filed: February 6, 2017
    Publication date: May 25, 2017
    Inventors: Radwan A. Alrasheed, Blake W. Davis, Jacquana T. Diep, Geraud J. Dubois, Young-Hye Na, Majed S. Nassar, Ankit Vora
  • Composite membrane with multi-layered active layer
    Patent number: 9561474
    Abstract: A thin film composite membrane includes an active layer on a support membrane, wherein the active layer includes at least two chemically distinct first and second crosslinked polyamide film sub-layers. The first film sub-layer includes a polyamide unit; and the second film sub-layer includes a copolyamide with two chemically distinct polyamide units. The first film sub-layer is closer to the support than is the second film sub-layer.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: February 7, 2017
    Assignee: International Business Machines Corporation
    Inventors: Radwan A. Alrasheed, Blake W. Davis, Jacquana T. Diep, Geraud J. Dubois, Young-Hye Na, Majed S. Nassar, Ankit Vora
  • COMPOSITE MEMBRANE WITH MULTI-LAYERED ACTIVE LAYER
    Publication number: 20130327714
    Abstract: A thin film composite membrane includes an active layer on a support membrane, wherein the active layer includes at least two chemically distinct first and second crosslinked polyamide film sub-layers. The first film sub-layer includes a polyamide unit; and the second film sub-layer includes a copolyamide with two chemically distinct polyamide units. The first film sub-layer is closer to the support than is the second film sub-layer.
    Type: Application
    Filed: June 7, 2012
    Publication date: December 12, 2013
    Applicants: King Abdulaziz City for Science and Technology (KACST), International Business Machines Corporation
    Inventors: Radwan A. Alrasheed, Blake W. Davis, Jacquana T. Diep, Geraud J. Dubois, Young-Hye Na, Majed S. Nassar, Ankit Vora