Patents by Inventor Sana ITO

Sana ITO 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).

  • Nonionic surfactant and method for producing nonionic surfactant
    Patent number: 9637464
    Abstract: The nonionic surfactant of the present invention has a structure represented by formula (1): wherein each of R1 and R4 is a hydrogen atom or an alkyl group; each of R2, R3, R5, and R6 is a hydrocarbon group that may contain an ether bond; R2 and R3 may be bonded together to form a cyclic structure, and R5 and R6 may be bonded together to form a cyclic structure; AO represents an oxyalkylene group or oxyalkylene groups that may be the same or different; and n is a number of 1 to 1000 and represents an average addition molar number of the oxyalkylene group or oxyalkylene groups.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: May 2, 2017
    Assignee: Niitaka Co., Ltd.
    Inventors: Masaki Morita, Sana Ito
  • NONIONIC SURFACTANT AND METHOD FOR PRODUCING NONIONIC SURFACTANT
    Publication number: 20160075675
    Abstract: The nonionic surfactant of the present invention has a structure represented by formula (1): wherein each of R1 and R4 is a hydrogen atom or an alkyl group; each of R2, R3, R5, and R6 is a hydrocarbon group that may contain an ether bond; R2 and R3 may be bonded together to form a cyclic structure, and R5 and R6 may be bonded together to form a cyclic structure; AO represents an oxyalkylene group or oxyalkylene groups that may be the same or different; and n is a number of 1 to 1000 and represents an average addition molar number of the oxyalkylene group or oxyalkylene groups.
    Type: Application
    Filed: May 8, 2014
    Publication date: March 17, 2016
    Inventors: Masaki MORITA, Sana ITO