Patents by Inventor Sanae Hasegawa

Sanae Hasegawa 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).

  • Packing material with excellent hydrophilicity and process for producing the same
    Patent number: 9028683
    Abstract: To provide a medium suitable for high speed/high resolution, rich in hydrophilicity and resistant to a high concentration aqueous alkaline solution. A medium comprising crosslinked polymer particles containing from 20 to 95 mol % of repeating units derived from a (meth)acryloyl monomer represented by the formula (1): wherein R2 is a hydrogen atom or a C1-4 alkyl group, R1 is —NR3-R4-R5 or —O—R4-R5, R3 is a hydrogen atom or a C1-4 alkyl group, R4 is a C6-15 alkylene group containing an alicyclic ring or a C4-8 linear alkylene group, and R5 is a halogen atom, an alcoholic OH group, an amino group, a glycidyl group or an epoxy group.
    Type: Grant
    Filed: June 8, 2006
    Date of Patent: May 12, 2015
    Assignee: Tosoh Corporation
    Inventors: Katsuo Komiya, Yuji Kubo, Sanae Hasegawa
  • NOVEL PACKING MATERIAL WITH EXCELLENT HYDROPHILICITY AND PROCESS FOR PRODUCING THE SAME
    Publication number: 20100029914
    Abstract: To provide a medium suitable for high speed/high resolution, rich in hydrophilicity and resistant to a high concentration aqueous alkaline solution. A medium comprising crosslinked polymer particles containing from 20 to 95 mol % of repeating units derived from a (meth)acryloyl monomer represented by the formula (1): wherein R2 is a hydrogen atom or a C1-4 alkyl group, R1 is —NR3—R4-R5 or —O—R4-R5, R3 is a hydrogen atom or a C1-4 alkyl group, R4 is a C6-15 alkylene group containing an alicyclic ring or a C4-8 linear alkylene group, and R5 is a halogen atom, an alcoholic OH group, an amino group, a glycidyl group or an epoxy group.
    Type: Application
    Filed: June 8, 2006
    Publication date: February 4, 2010
    Applicant: TOSOH CORPORATION
    Inventors: Katsuo Komiya, Yuji Kubo, Masazumi Hasegawa, Sanae Hasegawa