Patents by Inventor Shiomi ASHIDA

Shiomi ASHIDA 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 FOR PRODUCING FLUORINE-CONTAINING POLYMER AND COMPOSITION THEREOF
    Publication number: 20220267536
    Abstract: An object of the present disclosure is to provide a method for producing a fluorine-containing polymer and a composition containing the fluorine-containing polymer. The present disclosure provides a composition comprising (A) a fluorine-containing polymer comprising as a main component a structural unit containing a fluorine-containing aliphatic ring, and (B) an aprotic solvent, wherein the fluorine-containing aliphatic ring of the fluorine-containing polymer (A) contains one, two, or three etheric oxygen atoms as a ring-constituting atom; when the fluorine-containing aliphatic ring contains a plurality of etheric oxygen atoms, the etheric oxygen atoms are not adjacent to each other; and the fluorine-containing polymer (A) is present in an amount of 20 mass % or more based on the mass of the composition.
    Type: Application
    Filed: April 29, 2022
    Publication date: August 25, 2022
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuuki SUZUKI, Makoto MATSUURA, Akitoshi OGATA, Atsushi SHIRAI, Michiaki OKADA, Shiomi ASHIDA, Yoshito TANAKA, Yosuke KISHIKAWA