Patents by Inventor Kazuyuki FUJIKAWA

Kazuyuki FUJIKAWA 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).

  • Thiol compounds, synthesis method therefor, and utilization of said thiol compounds
    Patent number: 11807596
    Abstract: The purpose of the present invention is to provide: novel thiol compounds; a method for synthesizing said thiol compounds; curing agents containing said thiol compounds; resin compositions containing said thiol compounds and an epoxy compound; and resin compositions containing said thiol compounds and an ene compound having a carbon-carbon double bond in a molecule. Furthermore, the purpose of the present invention is to provide adhesives and sealants having these resin compositions as ingredients. The thiol compounds of the present invention are represented by chemical formula (I) to chemical formula (VII).
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: November 7, 2023
    Assignee: SHIKOKU CHEMICALS CORPORATION
    Inventors: Naoto Okumura, Akihito Otsuka, Takeshi Kumano, Kazuyuki Fujikawa, Yusuke Araki
  • THIOL COMPOUNDS, SYNTHESIS METHOD THEREFOR, AND UTILIZATION OF SAID THIOL COMPOUNDS
    Publication number: 20200369606
    Abstract: The purpose of the present invention is to provide: novel thiol compounds; a method for synthesizing said thiol compounds; curing agents containing said thiol compounds; resin compositions containing said thiol compounds and an epoxy compound; and resin compositions containing said thiol compounds and an ene compound having a carbon-carbon double bond in a molecule. Furthermore, the purpose of the present invention is to provide adhesives and sealants having these resin compositions as ingredients. The thiol compounds of the present invention are represented by chemical formula (I) to chemical formula (VII).
    Type: Application
    Filed: October 25, 2018
    Publication date: November 26, 2020
    Applicant: SHIKOKU CHEMICALS CORPORATION
    Inventors: Naoto OKUMURA, Akihito OTSUKA, Takeshi KUMANO, Kazuyuki FUJIKAWA, Yusuke ARAKI