Patents by Inventor Michitaka Ohtani

Michitaka Ohtani 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).

  • Curable fluorine-containing copolymer and coating liquid composition containing same
    Patent number: 5880234
    Abstract: The invention relates to a curable fluorine-containing copolymer prepared by copolymerizing a monomer mixture. This monomer mixture is in an amount of 100 mol % in total and includes (a) 10-60 mol % of a first polymerizable monomer that is one of hexafluoroisobutene and hexafluoroacetone, each of which has one hexafluoroisopropylidene group; (b) 10-70 mol % of a fatty acid vinyl ester that is represented by a general formula of CH.sub.2 .dbd.CH--OC (.dbd.O) --R.sup.1 where R.sup.1 is one of an alkyl group and --(CH.sub.2).sub.m --R.sup.2 --(CH.sub.2).sub.n --H where R.sup.
    Type: Grant
    Filed: April 1, 1997
    Date of Patent: March 9, 1999
    Assignee: Central Glass Company, Limited
    Inventors: Kazuhiko Maeda, Yukio Ikeda, Kentaro Tsutsumi, Yutaka Maruyama, Shuyo Akama, Michitaka Ohtani