Patents by Inventor Eiko Renbutsu

Eiko Renbutsu 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: 20050112182
    Abstract: Provided is an N-alkyl chitosan derivative having an ultraviolet ray-curable functional group represented by formula (I) given below: where l+m+n=1, 0<l<1, 0<m<0.5, 0<n<1 and R1 is represented by formula (II) given below: where R2 denotes a hydrogen atom or a methyl group.
    Type: Application
    Filed: May 27, 2004
    Publication date: May 26, 2005
    Inventors: Saburo Minami, Eiko Renbutsu, Yoshihiko Omura, Fumiaki Nakatsubo, Yoshiharu Okamoto, Hiroyuki Saimoto, Yoshihro Shigemasa