Patents by Inventor Shun Kumagai

Shun Kumagai 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: 20180155646
    Abstract: A gas oil composition comprising at least 20.0% by volume total aromatic content, at least 1.0% by volume bicyclic aromatic content, at least 0.2% by volume trior higher cyclic aromatic content, no more than 18.0% by mass naphthenobenzenes, and no more than 10 ppm by mass sulfur content, and having a density (15° C.) of at least 0.8200 g/cm3, and an ASTM colour of at least 0.2, characterised in that the gas oil composition is obtained by hydrogenation-desulfurisation of the stock oil described below, which contains cracked gas oil fraction: stock oil comprising at least 25.0% by volume total aromatic content, at least 15.0% by mass total naphthene content, at least 4.0% by mass bicyclic naphthene content, at least 1.0% by mass tricyclic naphthene content, and at least 0.50% by mass sulfur content, and having a 90% distillation temperature of at least 340.0° C. The gas oil composition of the present invention has excellent oxidative stability.
    Type: Application
    Filed: January 30, 2018
    Publication date: June 7, 2018
    Inventors: Shinya Sasaki, Shun Kumagai