Patents by Inventor Kohtaro Osakada

Kohtaro Osakada 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).

  • DIENE POLYMER AND PROCESS FOR PRODUCING THE SAME
    Publication number: 20080234450
    Abstract: A polymer containing units represented by the defined formula (1); and a process for producing the polymer, which comprises the step of polymerizing a compound represented by the defined formula (3), the units represented by the formula (1) being polymerized units of the compound represented by the formula (3) such as 9,9-diallylfluorene.
    Type: Application
    Filed: December 18, 2007
    Publication date: September 25, 2008
    Applicants: Sumitomo Chemical Company, Limited, Tokyo Institute of Technology
    Inventors: Kohtaro OSAKADA, Daisuke TAKEUCHI, Sehoon PARK, Makoto UEMURA, Masayuki FUJITA
  • DIENE POLYMER AND PROCESS FOR PRODUCING THE SAME
    Publication number: 20080221288
    Abstract: A polymer containing units represented by the defined formula (1); and a process for producing the polymer, which comprises the step of polymerizing a compound represented by the defined formula (3), the units represented by the formula (1) being polymerized units of the compound represented by the formula (3) such as 5,5-diallyl-2,2-dimethyl-1,3-dioxane.
    Type: Application
    Filed: February 23, 2008
    Publication date: September 11, 2008
    Applicants: Sumitomo Chemical Company, Limited, Tokyo Institute of Technology
    Inventors: Kohtaro OSAKADA, Daisuke Takeuchi, Sehoon Park, Makoto Uemura, Masayuki Fujita
  • DIENE POLYMER AND PROCESS FOR PRODUCING THE SAME
    Publication number: 20080221287
    Abstract: A polymer containing units represented by the defined formula (1); and a process for producing the polymer, which comprises the step of polymerizing a compound represented by the defined formula (3), the units represented by the formula (1) being polymerized units of the compound represented by the formula (3) such as 2,2-dially-1,3-cyclopentanedione.
    Type: Application
    Filed: December 17, 2007
    Publication date: September 11, 2008
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Kohtaro OSAKADA, Daisuke TAKEUCHI, Sehoon PARK, Makoto UEMURA, Masayuki FUJITA
  • DIENE POLYMER AND PROCESS FOR PRODUCING THE SAME
    Publication number: 20080221286
    Abstract: A polymer containing units represented by the defined formula (1); and a process for producing the polymer, which comprises the step of polymerizing a compound represented by the defined formula (3), the units represented by the formula (1) being polymerized units of the compound represented by the formula (3) such as 1,6-heptadiene.
    Type: Application
    Filed: November 29, 2007
    Publication date: September 11, 2008
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Kohtaro OSAKADA, Daisuke TAKEUCHI, Sehoon PARK, Ryuichi MATSUURA, Makoto UEMURA, Masayuki FUJITA
  • CYCLIC OLEFIN-DIENE COPOLYMER AND PROCESS FOR PRODUCING THE SAME
    Publication number: 20080214756
    Abstract: A copolymer containing units represented by the defined formula (1) and cyclic olefin units; and a process for producing the copolymer, which comprises the step of copolymerizing a compound represented by the defined formula (3) with a cyclic olefin, the units represented by the formula (1) being polymerized units of the compound represented by the formula (3) such as isopropylidene diallylmalonate.
    Type: Application
    Filed: February 23, 2008
    Publication date: September 4, 2008
    Applicants: Sumitomo Chemical Company, Limited, Tokyo Institute of Technology
    Inventors: Kohtaro Osakada, Daisuke Takeuchi, Sehoon Park, Makoto Uemura, Masayuki Fujita
  • OLEFIN-DIENE COPOLYMER AND PROCESS FOR PRODUCING THE SAME
    Publication number: 20080214755
    Abstract: A copolymer containing units represented by the defined formula (1) and olefin units; and a process for producing the copolymer, which comprises the step of copolymerizing a compound represented by the defined formula (3) with an olefin, the units represented by the formula (1) being polymerized units of the compound represented by the formula (3) such as 5,5-diallyl-2,2-dimethyl-1,3-dioxane.
    Type: Application
    Filed: February 23, 2008
    Publication date: September 4, 2008
    Applicants: Sumitomo Chemical Company, Limited, Tokyo Institute of Technology
    Inventors: Kohtaro Osakada, Daisuke Takeuchi, Sehoon Park, Makoto Uemura
  • DIENE POLYMER AND PROCESS FOR PRODUCING THE SAME
    Publication number: 20080214754
    Abstract: A polymer containing units represented by the defined formula (1); and a process for producing the polymer, which comprises the step of polymerizing a compound represented by the defined formula (3), the units represented by the formula (1) being polymerized units of the compound represented by the formula (3) such as 5,5-diallylbarbituric acid.
    Type: Application
    Filed: December 18, 2007
    Publication date: September 4, 2008
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Kohtaro OSAKADA, Daisuke TAKEUCHI, Sehoon PARK, Makoto UEMURA, Masayuki FUJITA