Patents by Inventor Behnam Ghalei

Behnam Ghalei 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).

  • Publication number: 20230241558
    Abstract: Provided is a porous composite membrane including graphene oxide sheets; nanoparticles bound to a surface of the graphene oxide sheets solely by electrostatic and/or Van der Waals interactions. The present invention also relates to a method of producing the porous composite membrane, a gas separation system including the porous composite membrane, and uses of the porous composite membrane in a process for separating H2 from a gas stream and a process for reducing H2O swelling in a graphene oxide-based membrane.
    Type: Application
    Filed: January 29, 2021
    Publication date: August 3, 2023
    Inventors: Easan Sivaniah, Behnam Ghalei, Guoji Huang
  • Patent number: 11202986
    Abstract: A plasticization-resistant polyurethane membrane for gas separation and producing method are disclosed. The plasticization-resistant polyurethane membrane may include a soft segment, a hard segment and a chain extender. The soft segment may include a polyol compound and the hard segment may include a diisocyanate. The plasticization-resistant polyurethane membrane may be a cross-linked polyurethane membrane.
    Type: Grant
    Filed: October 7, 2018
    Date of Patent: December 21, 2021
    Inventors: Ali Pournaghshband Isfahani, Morteza Sadeghi, Behnam Ghalei, Rouhollah Bagheri
  • Publication number: 20210147628
    Abstract: The present invention relates to a hydrophilic polyimide including at least one type of building blocks [A-B] and [A-C], and represented by the formula -[A-B]n-[A-C]m— (I), wherein: the n-bracketed building blocks and the m-bracketed building blocks are randomly distributed over the polyimide chain; repeat unit A results from a monomer comprising two carboxylic anhydride moieties, repeat unit B is hydrophilic and results from a first hydrophilic monomer comprising two primary amine moieties and at least one further hydrophilic moiety different from the primary amines, and repeat unit C is hydrophilic and results from a second hydrophilic monomer comprising two primary amine moieties and at least one further hydrophilic moiety different from the primary amines; wherein: n and m represent independently an integer from 0 to about 1000; wherein n+m is an integer from about 10 to about 1000.
    Type: Application
    Filed: November 19, 2019
    Publication date: May 20, 2021
    Applicant: KYOTO UNIVERSITY
    Inventors: Easan SIVANIAH, Behnam GHALEI, Binod Babu SHRESTHA, Daisuke YAMAGUCHI
  • Publication number: 20190321787
    Abstract: Disclosed is a composite membrane comprising a mixed matrix membrane comprising a polymer matrix and fillers dispersed in the polymer matrix. The polymer matrix comprises a polymer having a polar functional group. The H2 permeability coefficient of the polymer matrix is 20 Barrer or more at 4 bar and 298 K. The filler has a polar functional group that may be capable of forming a hydrogen bond with the polar functional group of the polymer, and has an average diameter of 100 nm or less.
    Type: Application
    Filed: November 2, 2017
    Publication date: October 24, 2019
    Applicant: Kyoto University
    Inventors: Easan Sivaniah, Behnam Ghalei, Kento Sakurai, Yosuke Kinoshita, Susumu Kitagawa
  • Publication number: 20190039016
    Abstract: A plasticization-resistant polyurethane membrane for gas separation and producing method are disclosed. The plasticization-resistant polyurethane membrane may include a soft segment, a hard segment and a chain extender. The soft segment may include a polyol compound and the hard segment may include a diisocyanate. The plasticization-resistant polyurethane membrane may be a cross-linked polyurethane membrane.
    Type: Application
    Filed: October 7, 2018
    Publication date: February 7, 2019
    Applicants: Isfahan University of Technology
    Inventors: Ali Pournaghshband Isfahani, Morteza Sadeghi, Behnam Ghalei, Rouhollah Bagheri
  • Publication number: 20180200680
    Abstract: Disclosed is a composite membrane including a polymeric membrane having an H2 permeability of 500 Barrer or more at 25 degrees C., and a coating layer deposited on the polymer membrane by oxidative polymerization.
    Type: Application
    Filed: July 12, 2016
    Publication date: July 19, 2018
    Applicants: CO2 M-Tech Co., Ltd., Kyoto University
    Inventors: Easan Sivaniah, Behnam Ghalei, Youfeng Yue