Patents by Inventor Walter Phillip KOSAR

Walter Phillip KOSAR 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).

  • Amphiphilic diblock copolymer and use of same for producing polymeric filter membranes
    Patent number: 10987639
    Abstract: Provided is a an amphiphilic diblock copolymer including from 40 to 60% by weight, relative to the weight of the copolymer, of a hydrophilic block including a unit derived from an n-butyl acrylate monomer and a derived from a hydroxyethyl methacrylate monomer. The copolymer also includes from 40 to 60% by weight, relative to the weight of the copolymer, of a hydrophobic block including at least one unit derived from a methyl methacrylate monomer. Also provided is a polymeric membrane that includes the block copolymer and a hydrophobic polymeric matrix. This membrane is useful for treating an effluent, for example, water.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: April 27, 2021
    Assignees: Arkema France, Polymem
    Inventors: Walter Phillip Kosar, Olivier Lorain, Sébastien Marcellino, François Beaume, Pierre Gerard
  • AMPHIPHILIC DIBLOCK COPOLYMER AND USE OF SAME FOR PRODUCING POLYMERIC FILTER MEMBRANES
    Publication number: 20190039029
    Abstract: Provided is a an amphiphilic diblock copolymer including from 40 to 60% by weight, relative to the weight of the copolymer, of a hydrophilic block including a unit derived from an n-butyl acrylate monomer and a derived from a hydroxyethyl methacrylate monomer. The copolymer also includes from 40 to 60% by weight, relative to the weight of the copolymer, of a hydrophobic block including at least one unit derived from a methyl methacrylate monomer. Also provided is a polymeric membrane that includes the block copolymer and a hydrophobic polymeric matrix. This membrane is useful for treating an effluent, for example, water.
    Type: Application
    Filed: February 1, 2017
    Publication date: February 7, 2019
    Applicants: Arkema France, Polymem
    Inventors: Walter Phillip KOSAR, Olivier LORAIN, Sébastien MARCELLINO, François BEAUME, Pierre GERARD