Patents by Inventor Chie Kuwahara

Chie Kuwahara 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).

  • Electrophoretic buffer
    Patent number: 7517441
    Abstract: By using an electrophoretic buffer comprising a polymerized polymer micelle formed by the steps comprising dispersing into an aqueous medium a block copolymer represented by HPLS-HPBS-PLZA, wherein HPLS is a hydrophilic polymer segment, HPBS is a hydrophobic polymer segment, and PLZA is a polymerizable group having an ethylenically unsaturated double bond, and polymerizing the block copolymer as a buffer for a capillary electrophoresis or a microchip electrophoresis, pressurizing the sample after introduction at a given pressure for a given time period, and electrophoresing in an electrophoretic electric field, a polymer compound such as DNA can be separated rapidly and in high separation ability.
    Type: Grant
    Filed: March 13, 2003
    Date of Patent: April 14, 2009
    Assignee: Japan Science and Technology Agency
    Inventors: Yoshinobu Baba, Kazunori Kataoka, Mari Tabuchi, Yukio Nagasaki, Yasuko Tanaka, Chie Kuwahara
  • Electrophoretic buffer
    Publication number: 20060040396
    Abstract: By using an electrophoretic buffer comprising a polymerized polymer micelle formed by the steps comprising dispersing into an aqueous medium a block copolymer represented by HPLS-HPBS-PLZA, wherein HPLS is a hydrophilic polymer segment, HPBS is a hydrophobic polymer segment, and PLZA is a polymerizable group having an ethylenically unsaturated double bond, and polymerizing the block copolymer as a buffer for a capillary electrophoresis or a microchip electrophoresis, pressurizing the sample after introduction at a given pressure for a given time period, and electrophoresing in an electrophoretic electric field, a polymer compound such as DNA can be separated rapidly and in high separation ability.
    Type: Application
    Filed: March 13, 2003
    Publication date: February 23, 2006
    Applicant: Japan Science and Technology Agency
    Inventors: Yoshinobu Baba, Kazumori Kataoka, Mari Tabuchi, Yukio Nagasaki, Yasuko Tanaka, Chie Kuwahara