Patents by Inventor Kunihiko Takabe

Kunihiko Takabe 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).

  • Patent number: 4003958
    Abstract: Myrcene is produced in a process comprising dimerizing isoprene in a solvent of a cyclic ether, N-alkylmorpholine or mixtures thereof, with 0.5 - 20 mole% of an alkali metal catalyst and 1 - 20 mole% of a primary or secondary amine having branched-chain hydrocarbon residual groups, wherein the mole percentages are based on the amount of isoprene.
    Type: Grant
    Filed: September 25, 1975
    Date of Patent: January 18, 1977
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Atsuo Murata, Shuji Tsuchiya, Akihiro Konno, Juntaro Tanaka, Kunihiko Takabe