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Kohtaro Osakada, Yokohama-Shi JP

Kohtaro Osakada, Yokohama-Shi JP

Patent application numberDescriptionPublished
20080214754DIENE POLYMER AND PROCESS FOR PRODUCING THE SAME - 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.09-04-2008
20080214755OLEFIN-DIENE COPOLYMER AND PROCESS FOR PRODUCING THE SAME - 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.09-04-2008
20080214756CYCLIC OLEFIN-DIENE COPOLYMER AND PROCESS FOR PRODUCING THE SAME - 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.09-04-2008
20080221286DIENE POLYMER AND PROCESS FOR PRODUCING THE SAME - 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.09-11-2008
20080221287DIENE POLYMER AND PROCESS FOR PRODUCING THE SAME - 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.09-11-2008
20080221288DIENE POLYMER AND PROCESS FOR PRODUCING THE SAME - 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.09-11-2008
20080234450DIENE POLYMER AND PROCESS FOR PRODUCING THE SAME - 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.09-25-2008
20090221774DIENE POLYMER AND PRODUCTION PROCESS THEREOF - A polymer comprising a unit represented by the following formula (1); and a process for producing the polymer comprising the step of polymerizing a diene compound such as 9,9-diallylfluorene in the presence of a polymerization catalyst formed by contacting a nickel compound with an organoaluminum compound and/or a boron compound:09-03-2009
20100234546DIENE POLYMER AND PRODUCTION PROCESS THEREOF - A polymer comprising a unit represented by the following formula (1); and a process for producing the polymer comprising the step of polymerizing a diene compound such as 9,9-diallylfluorene in the presence of a polymerization catalyst formed by contacting a nickel compound with an organoaluminum compound and/or a boron compound:09-16-2010

Patent applications by Kohtaro Osakada, Yokohama-Shi JP