Konica Minolta Business Technologies, Inc.

Konica Minolta, Inc.

Konica Minolta Opto, Inc.

Issei Nakahara

Kimihiko Ookubo

Keiko Ishidai

Kaori Ono

Koji Daifuku

Ryohei Iwamoto

Kiyoshi Fukusaka

Takatugu Suzuki

Hiroyoshi Kiuchi

Kenji Hayashi

Hiroshi Kita

Takayuki Suzuki

Takahiko Nojima

Rie Fujisawa

Yosuke Mizutani

Natsumi Itamoto

Takatsugu Suzuki

Yutaro Horie

Keigo Tamaki

Disclosed is a near-infrared absorbing composition, including: a near-infrared absorbing agent; and a solvent, wherein the near-infrared absorbing agent includes at least one of the following Component (A) and Component (B):

Near-infrared absorbing composition, near-infrared absorbing film, and image sensor for solid-state imaging element

The present invention provides a resin composition capable of forming a film exhibiting a small humidity-dependent variation in optical values; a triazole compound to be incorporated into the resin composition; an optical film and an optical lens, each of which is prepared from the resin composition and exhibits a small humidity-dependent variation in optical values; and a polarizing plate, a circularly polarizing plate, and an image display device, each of which includes the optical film and exhibits excellent moisture resistance. The resin composition of the present invention contains a resin and a compound having a 5-membered or 6-membered aromatic hydrocarbon or heterocyclic ring, wherein the resin is a hygroscopic resin, the compound has at least three specific aromatic rings having a specific NICS value, and the specific aromatic rings are bonded to one another via a single bond or one or two atoms.

Resin composition

The purpose of the present invention is to provide a retardation film which has high retardation developability, good mechanical strength and good durability. This retardation film contains a cellulose derivative and at least one compound represented by general formula (1), wherein each of Rand Rindependently represents an alkyl group, a cycloalkyl group, an aryl group or a heterocyclic group; X1 represents a single bond, &#x2014;NR&#x2014;, &#x2014;O&#x2014; or &#x2014;S&#x2014;; Xrepresents a single bond, &#x2014;NR&#x2014;, &#x2014;NR&#x2014;(C&#x2550;O)&#x2014;, &#x2014;O&#x2014; or &#x2014;S&#x2014;; each of Rand Rindependently represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group or a heterocyclic group; Rrepresents a substituent; n represents an integer of 0-4; and when n is 2 or more, a plurality of Rs may be the same or different and adjacent Rs may be joined together to form a ring). 

Retardation film, polarizing plate, liquid crystal display device, and compound

Disclosed is a toner for electrophotography, which has good hue, good light resistance and good electrostatic charge, and is capable of providing images that are free from white spots. The toner for electrophotography exhibits a good performance. Specifically disclosed is a toner for electrophotography, which is characterized by containing at least one metal-containing compound that is represented by general formula (1). (In the formula, R1 represents an alkyl group; R2 represents a hydrogen atom, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfamoyl group, a sulfinyl group, an alkylsulfonyl group, an arylsulfonyl group, an acyl group, a halogen atom or a cyano group; and R3 represents a group that has 9 or more carbon atoms and an aromatic hydrocarbon structure.) 

Toner for electrophotography and metal-containing compound

A copper complex compound represented by Formula (1) is disclosed. 

Copper complex compound and electrophotographic toner containing the same

An electrophotographic toner is disclosed. The toner contains a compound of Formula X-1 and a copper complex compound represented by the following Formula (1), which are defined detain in the specification. 

Electrophotographic toner

A compound represented by Formula (X-1) is disclosed. in the formula, Rxand Rxeach independently represents an alkyl group, Lx is a hydrogen atom or an alkyl group, Gxis an alkyl group having 2 or more carbon atoms, Gxis an alkyl group or an aromatic hydrocarbon group, Gxis a hydrogen atom, a halogen atom, a Gx-CO&#x2014;NH&#x2014; group or a Gx-N(Gx)-CO&#x2014;group, Gxand Gxeach independently represents a hydrogen atom or a substituent, and Qx, Qx, Qx, Qxand Qxeach independently represents a hydrogen atom or a substituent. An electrophotographic toner containing the compound is also disclosed.

Pyrazolotriazole compound and electrophotographic toner

Disclosed is a cellulose ester optical film containing cellulose ester, a polymer (a) below and a compound (b) below: 

Cellulose ester optical film, polarizing plate and liquid crystal display using the same, method of manufacturing cellulose ester optical film, and copolymer

A copper complex compound represented by Formula (1) is disclosed.  in the formula, groups represented by R is a substituent, n is an integer of from 1 to 5 and the total carbon number contained in (R) n is 14 or more. A toner for electrophotography containing the compound is also disclosed.

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Tokyo, Japan

Issei Nakahara