Patents by Inventor Yoshiaki SASHIHARA

Yoshiaki SASHIHARA 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).

  • POWDERED DISPERSANT FOR HYDRAULIC COMPOSITIONS AND PRODUCTION METHOD THEREOF
    Publication number: 20230055804
    Abstract: The present invention is a powdered dispersant for hydraulic compositions containing a copolymer obtained by polymerizing raw material monomers containing a predetermined monomer 1 containing AO group with a number of added moles n falling within a predetermined range and a predetermined monomer 2 having a predetermined group such as a carboxylic acid group or the like, wherein a ratio of monomer 2 in the raw material monomers is 22 mass % or more, and a product of a value of n of monomer 1 and a value of mass % of the ratio is 420 or more and 2600 or less.
    Type: Application
    Filed: December 3, 2020
    Publication date: February 23, 2023
    Applicant: KAO CORPORATION
    Inventors: Yoshiaki SASHIHARA, Kohei SHIMADA