Sumitomo Chemical Company, Limited

Tanaka Chemical Corporation

Takashi Arimura

Kenji Takamori

Yusuke Maeda

Takashi Hara

Masaki Kitahara

Jun-Ichi Kageura

Yuichi Sato

Takeshi Yoshioka

Yoshiaki Sakatani

Jun-ichi Kageura

Hiroyuki Kurita

Daisuke Yamashita

Shota Naito

Syusaku Hara

Yasutaka Iida

Kimiyasu Nakao

Takeshi Ishiyama

Hiroshi Kishida

Kayo Matsumoto

An inorganic porous carrier including a linker of formula (1) and having mode diameter of 0.04 μm to 1 μm in a pore distribution and the density of voids having an opening area of 0.0025 μmor more of 12 to 30 voids/μm[a bond * represents a linkage to the oxygen atom in a silanol group of an inorganic porous substance; n is an integer; R represents 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 containing —CH-Q-CH— group wherein 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.

Inorganic porous carrier, and production method for nucleic acid using same

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

This lithium-containing transition metal composite oxide includes secondary particles that are aggregates of primary particles into or from which lithium ions are dopable or dedopable, and satisfies the following conditions:

Lithium-containing transition metal composite oxide, positive electrode active material for lithium secondary battery, positive electrode for lithium secondary battery, lithium secondary battery, and method for manufacturing lithium-containing transition metal composite oxide

An inorganic porous carrier that can be used to increase the purity of nucleic acid in a production thereof, and that comprises a linker of formula (1), wherein a Survival Bone Rate (SBR) value is 5.0% or more. In the formula (1), a bond * represents a linkage of an inorganic porous substance to the oxygen atom of a silanol group; n is an integer of 1 etc.; R represents independently of each other an alkyl group containing 3 to 10 carbon atoms which may have a substituent such as an alkoxy group etc.; 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.

Inorganic porous support and method for producing nucleic acid using same

The present disclosure relates to a composition including a light-emitting perovskite compound (1) which includes constituent components A, B, and X, and a silazane or modified product thereof (2).

Composition and method for producing composition

A positive electrode active material for lithium secondary batteries which is able to doped/undoped with lithium ions and contains at least Ni, in which a ratio P/Q (atom %/mass %) of a concentration P (atom %) of sulfur atoms being present in a surface of the positive electrode active material to a concentration Q (mass %) of sulfuric acid radicals being present in the whole positive electrode active material is more than 0.8 and less than 5.0, and the Q (mass %) is 0.01 or more and 2.0 or less.

Positive electrode active material for lithium secondary batteries, method of producing positive electrode active material for lithium secondary batteries, positive electrode for lithium secondary batteries, and lithium secondary battery

The present invention relates to a positive electrode active material for a lithium secondary battery, including a lithium composite metal oxide in a form of secondary particles formed by aggregation of primary particles, wherein the secondary particles have voids in interior thereof and a number of the voids with cross section thereof present per 1 &#x3bc;mof cross section of the secondary particles is 0.3 or more and 15 or less.

Positive electrode active material for lithium secondary batteries, positive electrode for lithium secondary batteries, and lithium secondary battery

A positive electrode active material for lithium secondary batteries, includes: a lithium composite metal compound containing secondary particles formed by aggregation of primary particles; and a lithium-containing tungsten oxide, in which the lithium-containing tungsten oxide is present at least in interparticle spaces of the primary particles, and in a pore distribution of the positive electrode active material for lithium secondary batteries measured by a mercury intrusion method, a surface area of pores having a pore diameter in a range of 10 nm or more to 200 nm or less is 0.4 m/g or more and 3.0 m/g or less.

Growing community of inventors

Tsukuba, Japan

Takashi Arimura