Patents by Inventor Vladimer A. Stoy

Vladimer A. Stoy 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).

  • Method of making synthetic hydrophilic polymers and products resulting therefrom
    Patent number: 6617390
    Abstract: The present invention involves a method of making a multiblock copolymer containing two or more types of sequences of derivatives of acrylic acid with at least one derivative being acrylic acid salt and at least one being acrylamide. The method includes: (e) in sequence, a first step being a catalytic reaction of nitrile groups in polyacrylonitrile dissolved in an inorganic aqueous solvent of polyacrylonitrile; and, (f) at least one subsequent step being at least one catalytic reaction of nitrile groups in absence of polyacrylonitrile solvents. The present invention also pertains to the products resulting from the method.
    Type: Grant
    Filed: July 11, 2002
    Date of Patent: September 9, 2003
    Assignee: Replication Medical, Inc.
    Inventors: Vladimer A. Stoy, Petr Stehlicek, Zdena Kozlova, Tomas Drunecky
  • Method of making synthetic hydrophilic polymers and products resulting therefrom
    Patent number: 6451922
    Abstract: The present invention involves a method of making a multiblock copolymer containing two or more types of sequences of derivatives of acrylic acid with at least one derivative being acrylic acid salt and at least one being acrylamide. The method includes: (e) in sequence, a first step being a catalytic reaction of nitrile groups in polyacrylonitrile dissolved in an inorganic aqueous solvent of polyacrylonitrile; and, (f) at least one subsequent step being at least one catalytic reaction of nitrile groups in absence of polyacrylonitrile solvents.The present invention also pertains to the products resulting from the method.
    Type: Grant
    Filed: April 19, 2001
    Date of Patent: September 17, 2002
    Assignee: Replication Medical, Inc.
    Inventors: Vladimer A. Stoy, Petr Stehlicek, Zdena Kozlova, Tomas Drunecky