Konica Corporation

Konica-minolta Holdings, Inc.

Satoru Ikesu

Yutaka Kaneko

Takatugu Suzuki

Katsuji Ota

Hiroshi Kita

Noriyuki Kokeguchi

Mari Takahashi

Kyoko Iwamoto

Shigeo Tanaka

Hirokazu Sato

Koji Daifuku

Kazuhiko Kimura

Mitsuhiro Fukuda

Rudchenko F Vladimir

Vladimir F Rudchenko

Takatsugu Suzuki

Hidetaka Ninomiya

Noboru Mizukura

Kaori Ono

Noriko Ueda

Ryohei Iwamoto

Rie Sakuragi

Hiroyuki Yasukawa

Kohichi Takabe

Takayuki Suzuki

A display medium which has a memorizing ability and is superior in the stability under a severe condition or to folding is provided by a displaying medium comprising a substrate and a constituting layer provided on the substrate, in which the constituting layer contains a binder and a liquid crystal composition dispersed in the binder, and the binder contains a hydrophilic polymer hardened by a hardening treatment.

Displaying medium

An electrophotographic toner exhibiting superior color reproducibility and transparency and improved characteristics is disclosed, comprising a thermoplastic resin and colored microparticles dispersed in the thermoplastic resin and containing a dye and a resin differing in composition from the thermoplastic resin. An image forming method by use of the toner is also disclosed.

Electrophotographic toner and image forming method

A rewritable display containing a substrate having thereon one or more constitution layers, one of the constitution layers being a liquid crystal layer containing a liquid crystal composition which is dispersed in a binder, and one of the constitution layers containing a compound selected from the group constituted of: (a) alumina particles; (b) a layer structured inorganic compound; (c) a specific azomethine dye compound represented by Formula (D) whose structure is described in the specification; (d) a fluorescent brightening agent; and (e) a ultraviolet absorber.

Display medium

A display element comprising a pair of electrodes having therebetween an electrolyte layer containing silver or a silver-containing compound, the display element being driven by the pair of electrodes so as to electrochemically dissolve silver or to electrochemically deposit silver, wherein the electrolyte layer contains an antioxidant selected from the group consisting of a phenolic antioxidant, a phosphoric acid antioxidant, a sulfur-containing antioxidant, an amine antioxidant and a hydroquinone derivative.

Display element

A display element containing a pair of electrodes having therebetween an electrolyte layer containing silver or a silver-containing compound, the display element being driven by the pair of electodes so as to electrochemically dissolve silver or to electrochemically deposit silver, wherein the electrolyte layer contains a compound represented by on of Formulae (1) to (7) described in the specification or a derivative thereof.

An ink jet recording liquid exhibiting superior image color and improved color image fastness is disclosed, comprising a medium and an oil-soluble dye represented by the following formulas 

Ink jet recording liquid

An anthraquinone dye represented by the Formula (1), (2) or (3), and an ink jet recording liquid containing a compound represented by the following Formula (1), (2) or (3):

Anthraquinone dye and inkjet recording liquid

A dye is disclosed, which is represented by the following formula:wherein Z is an atomic group necessary to form a 6-membered nitrogen containing aromatic ring; Ris a hydrogen bonding group; R, Rand Rare independently a hydrogen atom or a substituent; n11 and n13 are each an integer of 1 to 4; n12 is an integer of 1 to 3. There is also disclosed an ink for ink jet printing which contains the foregoing dye.

Dye and ink jet printing ink

A silver halide color photographic material is disclosed, comprising on a support a silver halide emulsion layer comprising an yellow dye forming coupler represented by formula (I):A&#x2014;B&#x2003;&#x2003;formula (I)wherein A is represented by formula (Ia), (Ia'), (Ia&#x2033;), (Ib), (Ic), (Id), (Id&#x2032;), (Ie), (Ie&#x2032;), (Ie&#x2033;), (If) or (If&#x2032;); and B is represented by formula (II) described in the specification.

Silver halide color photographic material

An ink jet recording liquid including a compound represented by the following Formula (1), (2) or (3):

A silver halide light sensitive color photographic material is disclosed, comprising a support having thereon a silver halide emulsion layer, the photographic material further comprising a 2-equivalent yellow coupler exhibiting superior dye forming capability and enhanced solubility in a solvent, and represented by the following formula:

Silver halide light sensitive color photographic material

A synthesizing method for a 3-substituted-3-oxo-2-(2,4 -oxazolidinedione-3-yl)propionic acid amide compound represented by the following Formula &lsqb;I&rsqb;, by reacting a compound represented by the following Formula &lsqb;II&rsqb; with a compound represented by the following Formula &lsqb;III&rsqb;, in the presence of an organic base;

Synthesizing method for a 3-substituted-3-oxo-2-(2,4-oxazolidinedione-3-yl) propionic acid amide compound

Silver halide color photographic light-sensitive material

A silver halide color photographic light-sensitive material characterized in that the light-sensitive material contains a yellow coupler represented by the following Formula [I]; ##STR1## wherein R.sub.1 represents an alkyl group, a cycloalkyl group, an amino group, a heterocyclic group or an aryl group, R.sup.2 represents a straight chain or branched unsubstituted alkyl group having not less than 2 carbon atoms, X represents a chlorine atom, an alkoxy group or aryloxy group. Y represents an acylamino group or a chlorine atom when R.sub.1 represents an alkyl group, a cycloalkyl group, an amino group or a heterocyclic group , and Y represents an sulfonylamino group, a chlorine atom or oxycarbonyl group when R.sub.1 represents an aryl group. n represents an integer of 0 to 4. When n is not less than 2, plural Y may be either the same or different.

Growing community of inventors

Hino, Japan

Satoru Ikesu