Patents by Inventor Kiyomi Okimoto

Kiyomi Okimoto 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 amidinecarboxylic acids
    Patent number: 4375554
    Abstract: A process for preparing an amidinecarboxylic acid which comprises reacting, in water, an alkoxyiminoacetic acid ester represented by the formula ##STR1## (wherein R.sup.1 and R.sup.2 individually represent an alkyl group of 1 to 4 carbon atoms) with an amine represented by the formulaR.sup.3 --NH.sub.2(wherein R.sup.3 represents a hydrogen atom, an alkyl group of 1 to 4 carbon atoms, an alkenyl group of 2 to 4 carbon atoms, a cycloalkyl group of 5 to 7 carbon atoms or a benzyl group).
    Type: Grant
    Filed: November 5, 1981
    Date of Patent: March 1, 1983
    Assignee: UBE Industries Ltd.
    Inventors: Kiyoshi Fukui, Kiyomi Okimoto
  • Hexakis(2-pyridylthio)tetrazinc monooxide
    Patent number: 4001240
    Abstract: A novel 2-pyridylthiozinc-oxide complex, hexakis (2-pyridylthio)tetrazinc monooxide, which can protect a polyolefin against thermal and oxidative deterioration, particularly against deterioration caused by contact with heavy metals, is disclosed. Various processes for the preparation of said complex are also disclosed.
    Type: Grant
    Filed: July 16, 1975
    Date of Patent: January 4, 1977
    Assignee: UBE Industries, Ltd.
    Inventors: Mitsuo Masaki, Satoshi Matsunami, Susumu Fuzimura, Kiyomi Okimoto