Abstract: A compound represented by the following Formula (1): wherein, Het1 represents a bivalent five- or six-membered aromatic heterocyclic residue and may further be substituted; Xa to Xd each independently represent a heteroatom and may further be substituted; Ya to Yf each independently represent a heteroatom or a carbon atom and may further be substituted; the ring bound to Het1 may have a double bond at any position.

Abstract: A polymer material, containing at least one kind of polymer substance selected from the group consisting of acrylic acid-based polymers, polyester-based polymers, and polycarbonate-based polymers; and a compound represented by formula (2) contained in the polymer substance: wherein A21 and A22 each independently represent an atom other than hydrogen atom and carbon atom; Y21 and Y22 each independently represent a hydrogen atom or a monovalent substituent; at least one of Y21 and Y22 represents a substituent having a Hammett substituent constant ?p of 0.2 or more; Y21 and Y22 may bind to each other to form a ring; and (B) represents a group of atoms necessary for forming a five- or six-membered ring with A21, A22 and the carbon atom.

Abstract: An azo pigment represented by the general formula (1), a tautomer, salt, or hydrate thereof: wherein R1, R2, R3, Y, Z, and G each independently represents a hydrogen atom or a substituent, n represents an integer of from 2 to 4 and, when n=2, the general formula (1) represents a dimer formed through R1, R2, R3, Y, Z, or G and, when n=3, the general formula (1) represents a trimer formed through R1, R2, R3, Y, Z, or G and, when n=4, the general formula (1) represents a tetramer formed through R1, R2, R3, Y, Z, or G.

Abstract: To provide an azo pigment excellent in coloristic characteristics such as tinctorial strength and hue and at the same time, excellent in the durability such as light fastness and ozone resistance, a pigment dispersion containing the azo pigment, a coloring composition, and an ink for inkjet recording. An azo pigment represented by the following formula (1), its tautomer, or a salt or hydrate thereof: (wherein R1, R2, R3, Y, Z and G each independently represents a hydrogen atom or a substituent; n represents and integer of 2 to 4; and the formula represents a dimer through R1, R2, R3, Y, Z or G when n is 2, represents a trimer through R1, R2, R3, Y, Z or G when n is 3, and represents a tetramer through R1, R2, R3, Y, Z or G when n is 4).

Abstract: A compound represented by formula (I-1): wherein R21, R22, R23 and R24 each independently represent a hydrogen atom or a monovalent substituent, with the proviso that compounds, in which R21, R22, R23 and R24 each are an alkylthio group, are excluded; R21 and R22 and/or R23 and R24 each may bond to each other to form a ring, with the proviso that compounds, in which the formed ring is a dithiol ring or a dithiolane ring, are excluded; R25 and R26 each independently represent a hydrogen atom or a monovalent substituent; X21, X22, X23 and X24 each independently represent a hetero atom; compounds, wherein R21, R22, R23 and R24 each represent a cyan group; X21, X22, X23 and X24 each represent a sulfur atom; and R25 and R26 each represent a hydroxyl group or a hydrogen atom, are excluded; and compounds, wherein R21 and R23 each represent a hydrogen atom; R22 and R24 each represent an arylcarbonyl group; X21, X22, X23 and X24 each represent a sulfur atom; and R25 and R26 each represent a hydroxyl group, are e

Abstract: An ultraviolet absorbent composition, containing an ultraviolet absorbent represented by formula (2) or (B-I), and a compound represented by formula (TS-I) or (TS-II): wherein A21, A22 and XB1 to XB4 represent a hetero atom; Y21, Y22, RB1 to RB6, R91 to R96, R101 to R104 and X101 represent a hydrogen atom or a substituent; at least one of Y21 and Y22 represents a substituent having a Hammett substituent constant of 0.2 or more; and (B) represents a group of atoms necessary for forming a five- or six-membered ring; —X91- represents —O—, —S—, or —N(—R100)-, in which R100 has the same meaning as R91; all of R91 to R96 and R100 cannot simultaneously represent a hydrogen atom, respectively, and the total number of carbon atoms is 10 or more; and X102 represents a group of hetero atoms necessary for forming a 5- to 7-membered ring.

Abstract: A polymer material, containing at least one kind of polymer substance selected from the group consisting of acrylic acid-based polymers, polyester-based polymers, and polycarbonate-based polymers; and a compound represented by formula (2) contained in the polymer substance: wherein A21 and A22 each independently represent an atom other than hydrogen atom and carbon atom; Y21 and Y22 each independently represent a hydrogen atom or a monovalent substituent; at least one of Y21 and Y22 represents a substituent having a Hammett substituent constant ?p of 0.2 or more; Y21 and Y22 may bind to each other to form a ring; and (B) represents a group of atoms necessary for forming a five- or six-membered ring with A21, A22 and the carbon atom.

Abstract: An ultraviolet absorbent composition, containing: at least one kind of ultraviolet absorbent A having an absorption maximum wavelength of from 350 nm to 400 nm, a half value width of 55 nm or less and a molar extinction coefficient of 20,000 or more at the absorption maximum wavelength; and at least one kind of ultraviolet absorbent B having an absorption maximum wavelength of 350 nm or less and showing 30% or more of absorbance at 320 nm of the absorbance at the absorption maximum wavelength.

Abstract: A compound represented by the following Formula (1): wherein, Het1 represents a bivalent five- or six-membered aromatic heterocyclic residue and may further be substituted; Xa to Xd each independently represent a heteroatom and may further be substituted; Ya to Yf each independently represent a heteroatom or a carbon atom and may further be substituted; the ring bound to Het1 may have a double bond at any position

Abstract: A method of producing a compound represented by formula (1), including: allowing 1,4-benzoquinone or 1,2-benzoquinone to react with a dithiocarbamate compound represented by formula (2) in a polar solvent: wherein R1 and R2 each independently represent a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group, R1 and R2 may be the same or different and may be combined with each other to form a ring, X represents an ion necessary to neutralize the charge of the molecule, m represents an integer of 1 to 2, n represents an integer of 1 to 2, M represents a hydrogen atom, a metal atom or a conjugate acid of a base, p represents an integer of 1 to 4, and q represents an integer of 1 to 4.

Abstract: An ultraviolet absorbent represented by the following Formula (1) or (6): wherein, Het1 represents a monovalent five- or six-membered aromatic heterocyclic residue; Xa and Xb each independently represent a heteroatom; Ya to Yc each independently represent a heteroatom or a carbon atom; the ring formed from carbon atom, Xa, Xb, Ya to Yc may have a double bond at any position and has at least one fused ring; wherein, Het6 represents a monovalent five- or six-membered aromatic heterocyclic residue; X6a and X6b each independently represent a heteroatom; Y6a, Y6b and Y6c each independently represent a heteroatom or a carbon atom; L6 represents a bi- to octa-valent connecting group; n is an integer of 2 or more, and m is an integer of 0 or more.

Abstract: [Problems] To provide a thin film-shaped porous bioabsorbable material that is a dense structure in which the pore size average is small and the pore size is uniform and which further has a large maximum stress, in particular, a porous bioabsorbable material extremely useful as an adhesion preventing material.

Abstract: A compound represented by the following formula (I) or formula (2-I):

Abstract: A silver halide color photosensitive material, wherein the total coating amount of silver of the photosensitive silver halide is 6.0 g/m2 or less in terms of metal silver, and the photosensitivity is the ISO speed of 400 or more, the silver halide color photosensitive material further comprising at least one compound selected from a group consisting of the following type 1 and type 2: (Type 1) Compound which undergoes a one-electron oxidation so as to form a one-electron oxidation product capable of, through subsequent bond cleavage reaction, releasing one or more electrons, (Type 2) Compound which undergoes a one-electron oxidation so as to form a one-electron oxidation product capable of, after subsequent bond formation reaction, releasing one or more electrons.

Abstract: A black ink composition comprises a water soluble dye containing a single compound showing an absorption maximum at 440 to 540 nm with a half-value width of 90 nm to 200 nm for a visible region absorption spectrum in water.

Abstract: A method of producing a compound represented by formula (IV), having: subjecting a compound of formula (I) to fluorination, subjecting the resultant compound to at least one of thermal decomposition and hydrolysis, and subjecting the resultant compound to thermal decomposition, to obtain the compound of formula (IV): in which R1 and R2 each independently are a hydrogen atom, a halogen atom, or a substituent; X1 is a hydrogen atom or a halogen atom, Y is an alkoxycarbonyl group or —CH2OCOR3, R3 is a substituent, and R1F and R2F each independently are a halogen atom or a fluorine-containing group.

Abstract: A process for producing a porous object is provided that makes it possible to control pore sizes, particularly not only smaller pore sizes but also larger pore sizes. The pore sizes are controlled by: preparing a mixed solution containing a polymer including a copolymer of lactide and caprolactone, a solvent in which the polymer has a relatively low solubility, and a solvent in which the polymer has a relatively high solubility and that is compatible with the solvent in which the polymer has a relatively low solubility; varying the content of the solvent in which the polymer has a relatively low solubility in the mixed solution, when the mixed solution is frozen and dried to produce the porous object; and cooling the mixed solution at a rate of 300° C./hr or lower in freeze-treating. Thus a porous object with a pore size of 30 to 1800 ?m can be obtained.

Abstract: Disclosed is a silver halide photographic material which comprises at least one methine dye represented by the following formula (I): wherein Y represents a furan ring or a pyrrole ring, and Y may further be condensed with other 5- or 6-membered carbocyclic ring or heterocyclic ring, or may have a substituent; the bond between two carbon atoms in which Y is condensed may be a single bond or a double bond; Z represents an atomic group necessary to form a 5- or 6-membered nitrogen-containing heterocyclic ring, and Z may further be condensed with other 5- or 6-membered carbocyclic ring or heterocyclic ring; R represents a substituted or unsubstituted alkyl group, aryl group, or heterocyclic group; D represents a group necessary to form a methine dye; L1 and L2 each represents a methine group; p represents 0 or 1; M represents a counter ion; and m represents a number of 0 or higher necessary to neutralize the charge in the molecule.

Abstract: A method of producing a compound represented by formula (IV), having: subjecting a compound of formula (I) to fluorination, subjecting the resultant compound to at least one of thermal decomposition and hydrolysis, and subjecting the resultant compound to thermal decomposition, to obtain the compound of formula (IV): in which R1 and R2 each independently are a hydrogen atom, a halogen atom, or a substituent; X1 is a hydrogen atom or a halogen atom, Y is an alkoxycarbonyl group or —CH2OCOR3, R3 is a substituent, and R1F and R2F each independently are a halogen atom or a fluorine-containing group.

Abstract: A compound represented by the following formula (I) or formual (2-I):