Nissan Chemical Industries Limited

Kyushu University

Iwate University

Osamu Uesugi

Kazuhiko Ohrai

Takumi Okada

Tomoyuki Matsuda

Yukohiro Shigeta

Masaaki Ozawa

Hideo Nagashima

Hisato Hayashi

Keisuke Odoi

Akihiro Tanaka

Keisuke Kojima

Yoshihiro Kadoma

There is provided a novel slurry composition for forming a lithium secondary battery electrode which can improve homogeneity of an electrode active material and a conductive assistant even without using an organic solvent and can improve the binding of an electrode active material and a conductive assistant with an electrode collector, and a lithium secondary battery with improved charge/discharge cycle characteristics and battery capacity. A slurry composition for forming a lithium secondary battery electrode, characterized by comprising an electrode active material (A), a conductive assistant (B), and a pulverized cellulose fiber (C) as an aqueous binder, and a lithium secondary battery electrode and a lithium secondary battery which are obtained using the composition, and an aqueous binder used for the composition.

Slurry composition for forming lithium secondary battery electrode containing cellulose fiber as binder, and lithium secondary battery electrode

There is provided a novel production method of a chlorinated hyperbranched polymer that is optically stable and is capable of derivatizing the chlorinated hyperbranched polymer into various compounds. A production method of a chlorinated hyperbranched polymer for producing a chlorinated hyperbranched polymer of Formula (1): {where X is a chlorine atom; Ris a hydrogen atom or a methyl group; and Ais a phenylene-alkylene group, n is the number of repeating unit structures and is an integer of 2 to 100,000}, comprising the step of substituting a dithiocarbamate group of a hyperbranched polymer of Formula (3): (where R, A, and n are the same as defined in Formula (1); and each of Rand Ris a Calkyl group, a Chydroxyalkyl group, or a Carylalkyl group, or Rand Roptionally form a ring together with a nitrogen atom bonded to Rand R) with a chlorine atom using sulfuryl chloride.

Method for producing chlorinated hyperbranched polymer

This invention relates to benzopyran derivatives of formula (I) or (II), or pharmaceutically acceptable salts thereof wherein Rand Rare independently of each other hydrogen atom, Calkyl group or Caryl group, Ris hydrogen atom or Calkylcarbonyloxy group, or together with Rforms a bond, Ris hydrogen atom, or together with Rforms a bond, m is an integer of 0 to 4, n is an integer of 0 to 4, V is a single bond, CRR, NR, O, S, SO or SO, Ris hydrogen atom or Calkyl group, Ris hydrogen atom, Calkyl group, Ccycloalkyl group, Ccycloalkenyl group, amino group, Calkylamino group, di-Calkylamino group, Carylamino group, Cheteroarylamino group, Caryl group, Cheteroaryl group or Cheterocyclyl group, A is 5-, 6- or 7-member ring fused with benzene ring, as constituent atom of the ring, oxygen atom, nitrogen atom or sulfur atom may be contained in the number of 1 to 3 alone or in a combination thereof, the number of unsaturated bond in the ring is 1, 2 or 3 including an unsaturated bond of the benzene ring to be fused, carbon atoms constituting the ring may be carbonyl or thiocarbonyl. These compounds are useful as an anti-arrhythmic agent.

Tricyclic benzopyrane compound

This invention relates to benzopyran derivatives of formula (I) or (II), or pharmaceutically acceptable salts thereof wherein Rand Rare independently of each other hydrogen atom, Calkyl group or Caryl group, Ris hydrogen atom or Calkylcarbonyloxy group, or together with Rforms a bond, Ris hydrogen atom, or together with Rforms a bond, m is an integer of 0 to 4, n is an integer of 0 to 4, V is a single bond, CRR, NR, O, S, SO or SO, Ris hydrogen atom or Calkyl group, Ris hydrogen atom, Calkyl group, Ccycloalkyl group, Ccycloalkenyl group, amino group, Calkylamino group, di-Calkylamino group, Carylamino group, Cheteroarylamino group, Caryl group, Cheteroaryl group or Cheterocyclyl group, A is 5-, 6- or 7-member ring fused with benzene ring, as constituent atom of the ring, oxygen atom, nitrogen atom or sulfur atom may be contained in the number of 1 to 3 alone or in a combination thereof, the number of unsaturated bond in the ring is 1, 2 or 3 including an unsaturated bond of the benzene ring to be fused, carbon atoms constituting the ring may be carbonyl or thiocarbonyl. These compounds are useful as an anti-arrhythmic agent. 

Tricyclic benzopyran compound as anti-arrhythmic agents

Growing community of inventors

Chiyoda-ku, Japan

Osamu Uesugi