Patents by Inventor Naoyuki Kamegaya

Naoyuki Kamegaya 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).

  • Epoxy resin composition, curing agent, and curing accelerator
    Patent number: 8623942
    Abstract: The present invention provides a liquid curable epoxy resin composition that has excellent storage stability and curing properties and provides a cured product having excellent properties, particularly, excellent organic solvent resistance. For that purpose, a clathrate containing a carboxylic acid compound and at least one selected from the group consisting of an imidazole compound represented by formula (I), wherein R1 to R4 each represent a hydrogen atom or the like, and 1,8-diazabicyclo[5.4.0]undecene-7 (DBU) is mixed in an epoxy resin. The liquid curable epoxy resin composition uses a liquid epoxy resin or an organic solvent.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: January 7, 2014
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Masami Kaneko, Kazuo Ono, Natsuki Amanokura, Naoyuki Kamegaya
  • LIQUID CURABLE EPOXY RESIN COMPOSITION AND ADHESIVE AGENT CONTAINING SAME
    Publication number: 20130158231
    Abstract: An object of the present invention is to provide a curable epoxy resin composition containing an epoxy resin, wherein the composition is excellent in storage stability and curing characteristics and provides a cured product excellent in characteristics, particularly organic solvent resistance; an adhesive agent consisting of the composition; and an adhesive agent consisting of a curable epoxy resin composition excellent in adhesive strength.
    Type: Application
    Filed: September 13, 2011
    Publication date: June 20, 2013
    Applicant: NIPPON SODA CO., LTD.
    Inventors: Naoyuki Kamegaya, Kazuo Ono, Masato Amaike, Tomoya Nomura
  • CURABLE POWDER COATING COMPOSITION, AND CURED PRODUCT OF SAME
    Publication number: 20130059942
    Abstract: Disclosed is an epoxy or epoxy-polyester curable powder coating composition which can form a favorable cured coating film excellent in adhesion and solvent resistance and is excellent in storage stability. The curable powder coating composition of the present invention contains the following component (A) and component (B): (A) an epoxy resin or an epoxy-polyester hybrid resin; and (B) a clathrate complex which contains (b1) at least one selected from the group consisting of a carboxylic acid compound and a tetrakisphenol compound represented by the following formula (I), and (b2) at least one selected from compounds represented by formula (II). The carboxylic acid compound preferably includes an aromatic carboxylic acid.
    Type: Application
    Filed: May 16, 2011
    Publication date: March 7, 2013
    Applicant: NIPPON SODA CO., LTD.
    Inventors: Kazuo Ono, Naoyuki Kamegaya, Masato Amaike
  • Epoxy resin composition, curing agent, and curing accelerator
    Publication number: 20120004349
    Abstract: The present invention provides a liquid curable epoxy resin composition that has excellent storage stability and curing properties and provides a cured product having excellent properties, particularly, excellent organic solvent resistance. For that purpose, a clathrate containing a carboxylic acid compound and at least one selected from the group consisting of an imidazole compound represented by formula (I), wherein R1 to R4 each represent a hydrogen atom or the like, and 1,8-diazabicyclo[5.4.0]undecene-7 (DBU) is mixed in an epoxy resin. The liquid curable epoxy resin composition uses a liquid epoxy resin or an organic solvent.
    Type: Application
    Filed: March 9, 2010
    Publication date: January 5, 2012
    Inventors: Masami Kaneko, Kazuo Ono, Natsuki Amanokura, Naoyuki Kamegaya