Patents by Inventor Katsumi Edasawa

Katsumi Edasawa 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).

  • Publication number: 20090075105
    Abstract: Disclosed is a resin composition containing a polyvinyl alcohol resin (A) having an active hydrogen-containing functional group, and an N-amino poly(acrylamide)-based resin (B) having a (meta)acrylic acid structural unit represented by the general formula (1) below and an acrylamide structural unit represented by the general formula (2) below. This resin composition has high crosslinking rate, and enables to obtain a crosslinked product having excellent waterproof. (In the formula, R represents a hydrogen or a methyl group, and X represents a hydrogen or an alkali metal.
    Type: Application
    Filed: February 20, 2007
    Publication date: March 19, 2009
    Applicant: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
    Inventors: Hiroyuki Ono, Shusaku Mandai, Katsumi Edasawa