Patents by Inventor Kazunori Namba

Kazunori Namba 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).

  • CURING CATALYST USED FOR CURING POLYMER, METHOD FOR PRODUCING SAME, MOISTURE-CURABLE COMPOSITION, AND METHOD FOR PRODUCING CURED PRODUCT
    Publication number: 20230357509
    Abstract: Provided is a curing catalyst having a high safety and a practical curing rate. According to the present invention, provided is a curing catalyst [B] used for curing a polymer [A] having a reactive hydrolyzable silicon-containing group, wherein the curing catalyst [B] contains a complex of a titanium compound [B1] and an ammonium hydroxide [B2], and an amino group-containing compound [B3] containing a primary amino group and/or a secondary amino group, the titanium compound [B1] is represented by Chemical Formula (1), and the ammonium hydroxide [B2] is represented by Chemical Formula (2).
    Type: Application
    Filed: June 23, 2021
    Publication date: November 9, 2023
    Applicant: NITTO KASEI CO., LTD.
    Inventors: Yuya NAKAGAWA, Kazunori NAMBA, Haruka YOSHIYAMA, Yuji IMADA, Nanae KIKUI
  • CURING CATALYST USED FOR CURING OF POLYMER, PRODUCTION METHOD FOR SAID CURING CATALYST, MOSITURE-CURABLE COMPOSITION, AND PRODUCTION METHOD FOR CURED PRODUCT
    Publication number: 20230257487
    Abstract: Provided is a curing catalyst having a high safety and a practical curing rate. According to the present invention, provided is a curing catalyst [B] used for curing a polymer [A] having a reactive hydrolyzable silicon-containing group, wherein the curing catalyst [B] contains a complex [C] of a titanium compound [B1] and an ammonium hydroxide [B2], the titanium compound [B1] is represented by Chemical Formula (1), and the ammonium hydroxide [B2] is represented by Chemical Formula (2).
    Type: Application
    Filed: June 23, 2021
    Publication date: August 17, 2023
    Applicant: Nitto Kasei Co., Ltd.
    Inventors: Yuya Nakagawa, Kazunori Namba, Haruka Yoshiyama, Yuji Imada, Nanae Kikui
  • CURING CATALYST USED FOR CURING OF POLYMER, METHOD FOR PRODUCING SAME, MOISTURE-CURABLE COMPOSITION, AND METHOD FOR PRODUCING CURED PRODUCT
    Publication number: 20230234976
    Abstract: Provided is a curing catalyst having a high safety and a practical curing rate. According to the present invention, provided is a curing catalyst [B] used for curing a polymer [A] having a reactive hydrolyzable silicon-containing group, wherein the curing catalyst [B] contains a complex of a titanium compound [B1] and an ammonium hydroxide [B2], and an amine compound [B3], the titanium compound [B1] is represented by Chemical Formula (1), the ammonium hydroxide [B2] is represented by Chemical Formula (2), and the amine compound [B3] is represented by Chemical Formula (3), Chemical Formula (4), or Chemical Formula (5).
    Type: Application
    Filed: June 23, 2021
    Publication date: July 27, 2023
    Applicant: NITTO KASEI CO., LTD.
    Inventors: Yuya Nakagawa, Kazunori Namba, Haruka Yoshiyama, Yuji Imada, Nanae Kikui
  • CURING CATALYST USED FOR CURING POLYMER, METHOD FOR PRODUCING SAME, MOISTURE-CURABLE COMPOSITION, AND METHOD FOR PRODUCING CURED PRODUCT
    Publication number: 20230235125
    Abstract: Provided is a curing catalyst having a high safety and a practical curing rate. According to the present invention, provided is a curing catalyst [B] used for curing a polymer [A] having a reactive hydrolyzable silicon-containing group, wherein the curing catalyst [B] contains a catalyst composition obtained by forming a complex by reacting a titanium compound [B1] with an ammonium hydroxide [B2] in a mixture obtained by mixing the titanium compound [B1] and the ammonium hydroxide [B2], a molar ratio of the titanium compound [B1] to the ammonium hydroxide [B2] in the mixture is 1 to 2.8, the titanium compound [B1] is represented by Chemical Formula (1), the ammonium hydroxide [B2] is represented by Chemical Formula (2).
    Type: Application
    Filed: June 23, 2021
    Publication date: July 27, 2023
    Applicant: NITTO KASEI CO., LTD.
    Inventors: Yuya NAKAGAWA, Kazunori NAMBA, Haruka YOSHIYAMA, Yuji IMADA, Nanae KIKUI