Patents by Inventor Kanno Hiroyasu

Kanno Hiroyasu 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).

  • PROCESS FOR PREPARING AN N-ALKYLLACTAM WITH IMPROVED COLOR QUALITY
    Publication number: 20110224337
    Abstract: The present invention relates to a process for purifying an N-alkyllactam which comprises contacting N-alkyllactams with carbon. The present invention also relates to mixtures comprising poly(vinylidene fluodride) (PVDF) and N-alkyllactams, in which the N-alkyllactams have been purified by contacting the N-alkyllactam as well as a method for their production. The present invention also relates to the use of said mixtures in processing PVDF for applications in which improved color is a quality requirement.
    Type: Application
    Filed: November 18, 2009
    Publication date: September 15, 2011
    Applicant: BASF SE
    Inventors: Yoshihisa Fujii, Kanno Hiroyasu