Patents by Inventor Takashi Jinnai

Takashi Jinnai 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).

  • SOLID TITANIUM CATALYST COMPONENT, OLEFIN POLYMERIZATION CATALYST, OLEFIN POLYMERIZATION METHOD, AND PROPYLENE POLYMER
    Publication number: 20240067763
    Abstract: The solid titanium catalyst component (I) of the present invention contains titanium, magnesium, halogen, and a cyclic multiple-ester-group-containing compound (a) represented by the following formula (1).
    Type: Application
    Filed: August 26, 2021
    Publication date: February 29, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takashi KIMURA, Makoto ISOGAI, Yasushi NAKAYAMA, Kenji MICHIUE, Takashi JINNAI, Wataru YAMADA, Shotaro TAKANO, Hiroshi TERAO, Takaaki YANO, Yoshiyuki TOTANI, Sunil Krzysztof MOORTHI, Takashi NAKANO
  • SOLID TITANIUM CATALYST COMPONENT, OLEFIN POLYMERIZATION CATALYST, OLEFIN POLYMERIZATION METHOD, AND PROPYLENE POLYMER
    Publication number: 20240067764
    Abstract: A solid titanium catalyst component (I) for olefin polymer production contains titanium, magnesium, halogen, and a cyclic multiple-ester-group-containing compound (a) represented by the formula (1). Preferably, a propylene polymer that is obtained by the olefin polymerization method and has specific thermal properties as determined primarily by differential scanning calorimetry (DSC).
    Type: Application
    Filed: December 21, 2021
    Publication date: February 29, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takashi KIMURA, Makoto ISOGAI, Yasushi NAKAYAMA, Kenji MICHIUE, Takashi JINNAI, Wataru YAMADA, Shotaro TAKANO, Hiroshi TERAO, Takaaki YANO, Yoshiyuki TOTANI, Sunil Krzysztof MOORTHI, Takashi NAKANO
  • Solid titanium catalyst component, catalyst for olefin polymerization and process for polymerizing olefin
    Patent number: 8822366
    Abstract: The present invention provides an olefin polymerization catalyst, which is free of polyfunctional aromatic compounds and has a large particle diameter, and a solid titanium component (I) which forms the catalyst.
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: September 2, 2014
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Kazuhisa Matsunaga, Kazutaka Tsuru, Kazumitsu Kawakita, Takashi Jinnai, Tetsunori Shinozaki
  • SOLID TITANIUM CATALYST COMPONENT, CATALIST FOR OLEFIN POLYMERIZATION AND PROCESS FOR POLYMERIZING OLEFIN
    Publication number: 20100227991
    Abstract: The present invention provides an olefin polymerization catalyst, which is free of polyfunctional aromatic compounds and has a large particle diameter, and a solid titanium component (I) which forms the catalyst.
    Type: Application
    Filed: October 31, 2008
    Publication date: September 9, 2010
    Inventors: Kazuhisa Matsunaga, Kazutaka Tsuru, Kazumitsu Kawakita, Takashi Jinnai, Tetsunori Shinozaki