Sumitomo Chemical Company, Limited

Kyushu University

The University of Toyama

Oita University

Takeshi Ishiyama

Hideyuki Higashimura

Takashi Hara

Takashi Arimura

Miho Yamauchi

Katsutoshi Nagaoka

Katsutoshi Sato

Masaki Kitahara

Noritatsu Tsubaki

Hiroshi Kishida

Takeshi Yoshioka

Hiroshi Takigawa

Akihiro Yuasa

An inorganic porous carrier including a linker of formula (1), wherein a mode diameter in a pore distribution is 0.04 μm to 1 μm, and a predetermined cumulative pore volume ratio is 30% or less [a bond * represents a linkage to the oxygen atom of a silanol group in an inorganic porous substance; n is an integer; R represents independently of each other an alkyl group containing 3 to 10 carbon atoms which may optionally have a substituent such as an alkoxy group; and L represents a single bond; an alkylene group of 1 to 20 carbon atoms; or an alkylene group containing 2 to 20 carbon atoms which contains —CH-Q-CH— group wherein any group Q selected from a group consisting of —O— etc. is inserted into at least one of —CH—CH— group constituting the alkylene group]; and a method for preparing a nucleic acid using the same.

Porous inorganic carrier and method for producing nucleic acid using same

Provided are a method of manufacturing an olefin having 2 to 4 carbon atoms including: reacting a catalyst with synthesis gas through a Fischer-Tropsch reaction, thereby obtaining the olefin having 2 to 4 carbon atoms, in which the catalyst is a catalyst obtained by reducing the iron ion and the cobalt ion in a dispersion liquid or a solution containing the iron ion, the cobalt ion and a dispersant that interacts with the iron ion and the cobalt ion, and a method of manufacturing propylene, which uses the above manufacturing method.

Method of manufacturing olefin having 2 to 4 carbon atoms by Fischer-Tropsch reaction

An object of the present invention is to provide a catalyst which decomposes a peroxide effectively and economically under a high temperature while suppressing generation of free radicals, and the present invention provides a peroxide decomposition catalyst containing a base metal atom, wherein a value A indicating a free radical generation amount represented by the (equation 1) is not more than 0.20, and a value B indicating a reaction rate represented by the (equation 2), which can be easily applied to utility such as an agent for preventing deterioration of a polymer electrolyte-type fuel cell and a water electrolysis apparatus, and an antioxidant for medicaments, agrochemicals and foods.=(Mw()/Mw)&#x2212;1&#x2003;&#x2003;(equation 1)(wherein Mw is a weight average molecular weight of poly(sodium 4-styrenesulfonate) after a hydrogen peroxide decomposition test in the test at 80&#xb0; C. in the presence of poly(sodium 4-styrenesulfonate), and Mw(S) is a weight average molecular weight of poly(sodium 4-styrenesulfonate) before the test)()/(cat)&#x2003;&#x2003;(equation 2)(wherein N(po) is a mole number of hydrogen peroxide decomposed per 20 minutes in a hydrogen peroxide decomposition test in the (equation 1), and N(cat) is a mole number per metal atom of a catalyst used).

Peroxide decomposition catalyst

Growing community of inventors

Tsukuba, Japan

Takeshi Ishiyama