Abstract: An ink composition for inkjet recording comprising: an azo dye having an aromatic nitrogen-containing 6-membered heterocycle as a coupling component; a compound represented by the following formula (I); and an aqueous medium wherein the azo dye is dissolved or dispersed in the aqueous medium: 1

Abstract: An aqueous ink composition for inkjet recording comprising a dye J-aggregate having an average particle size of 2 to 200 nm, and water-dispersible polymer particles having an average particle size of 10 to 400 nm, wherein the amount of the water-dispersible polymer particles is from one to ten times as much as that of the J-aggregate.

Abstract: A heat developable light-sensitive material comprises a support, a light-sensitive layer and a non-light-sensitive layer. The light-sensitive layer contains silver halide and a reducing agent. The non-light-sensitive layer contains a cyanine dye represented by the formula (I) or a salt thereof and a base precursor: in which R1 is hydrogen, an aliphatic group, an aromatic group, —NR21R24, —OR21 or —SR21, each of R21 and R24 independently is hydrogen, an aliphatic group or an aromatic group, or R21 and R24 are combined to form a nitrogen-containing heterocyclic ring; R2 is hydrogen, an aliphatic group or an aromatic group; R3 is an aliphatic group; L1 is a methine chain consisting of an odd number of methines; and each of Z1 and Z2 independently is an atomic group forming a five-membered or six-membered nitrogen-containing heterocyclic ring.

Abstract: An ink composition comprising: an aqueous medium; a high boiling organic solvent dispersed in the aqueous medium; an oil-soluble dye dissolved in the high boiling organic solvent; and a compound represented by the formula (I) defined in the specification: wherein the oil-soluble dye is represented by the formula (II) defined in the specification.

Abstract: An ink-jet ink which includes a coloring composition containing oil-soluble dye aggregates is provided.

Abstract: A recording liquid for ink jet containing a solid fine particle dispersion obtained by dispersing in a medium a compound represented by the following general formula (I) or (II), and an ink jet recording method of recording using the recording liquid for ink jet containing the solid fine particle dispersion obtained by dispersing in a medium a compound represented by the following general formula (I) or (II): 1

Abstract: A heat developable light-sensitive material comprises a support, a light-sensitive layer and a non-light-sensitive layer. The light-sensitive layer contains silver halide and a reducing agent.

Abstract: An optical filter comprises a transparent support and a filter layer. The filter layer has at least three absorption maximums in the wavelength region of 750 to 1,100 nm. Each of the three absorption maximums is in the wavelength regions of 750 to 850 nm, 851 to 950 nm, and 951 to 1,100 nm.

Abstract: A heat developable light-sensitive material comprises a support, a light-sensitive layer and a non-light-sensitive layer. The light-sensitive layer contains silver halide and a reducing agent. The non-light-sensitive layer contains a cyanine dye represented by the formula (I) or a salt thereof and a base precursor: in which R1 is hydrogen, an aliphatic group, an aromatic group, —NR21R24, —OR21 or —SR21, each of R21 and R24 independently is hydrogen, an aliphatic group or an aromatic group, or R21 and R24 are combined to form a nitrogen-containing heterocyclic ring; R2 is hydrogen, an aliphatic group or an aromatic group; R3 is an aliphatic group; L1 is a methine chain consisting of an odd number of methines; and each of Z1 and Z2 independently is an atomic group forming a five-membered or six-membered nitrogen-containing heterocyclic ring.

Abstract: A photothermographic element has on a support a photo-sensitive layer, and a first non-photosensitive layer containing (1) a base-bleachable dye or a salt thereof and (2) a binder. The first non-photosensitive layer or a second non-photosensitive layer disposed adjacent thereto contains (3) a base precursor and (4) a melting point depressant. The dye (1) becomes more bleachable and the processed image becomes more water resistant.

Abstract: A heat developable light-sensitive material comprises a support, a light-sensitive layer and a non-light-sensitive layer. The light-sensitive layer contains silver halide and a reducing agent.

Abstract: A pneumatic tire wherein a plurality of righthand oblique groove groups each group of which has a plurality of righthand oblique grooves as extending obliquely to a reverse tire turning direction from a tread center portion to a righthand shoulder end and a plurality of lefthand oblique groove groups each group of which has a plurality of lefthand oblique grooves extending obliquely to the reverse tire turning direction from the tread center portion to a lefthand shoulder end are disposed alternately in a tire circumferential direction on a tread surface which has a tire turning direction designated in one direction in such a manner that one main rib is defined in a zigzag shape in the tire circumferential direction by starting end portions of the righthand oblique groove groups and by starting end portions of the lefthand oblique groove groups and lefthand and righthand sub ribs are branched from the main rib along the righthand oblique groove groups and the lefthand oblique groove groups, respectively.

Abstract: An imaging material is provided in the form of a photothermographic or thermographic image forming layer containing an organic silver salt on one surface of a support and further comprising a polyvalent metal ion and a phthalic acid compound on the image forming layer-bearing surface of the support. The imaging material has improved shelf stability before and after image formation and the ease of handling and produces high-quality blue black tone images.

Abstract: At least one reinforcing rubber layer is provided in the part of each of two side wall portions which is on the outer side of a carcass layer. The outer circumferential end portions of the reinforcing rubber layers extend to positions in which they are disposed between the end portions of the innermost belt layer and the corresponding portions of the carcass layer, while the inner circumferential end portions of these rubber layers extend inward in the radial direction of the tire so as to overlap the bead fillers in positions on the outer sides of the end portions of the carcass layer in the widthwise direction of the tire. A 100% modulus at 100.degree. C. of the rubber constituting the reinforcing rubber layers is not higher than that of the rubber of the belt layers, and a dynamic elastic modulus at 20.degree. C. of the former rubber in the range of 10-40 MPa.

Abstract: There is disclosed a silver halide photosensitive material and a method for forming an image, by the use of a color-developing agent of the type of carbonylhydrazone. The color-developing agent has satisfactory storage stability and capability for forming an image.

Abstract: A dry type image formation process which comprises imagewise exposing a heat-developable photosensitive material to light, and then heat-developing the heat-developable photosensitive material, wherein the heat-developable photosensitive material further comprises a component isolated by microcapsules and the heat-developable photosensitive material is pressed before or after heat development so that the microcapsules are ruptured to release the internal phase and cause the component to be diffused into the photosensitive layer, allowing its function to be fulfilled, and an image formation process which comprises heat-developing a heat-developable photosensitive material after or simultaneously with imagewise exposing, the heat-developable photosensitive material comprising a photosensitive silver halide, a reducing agent, a basic precursor, a dye-providing substance which undergoes heat development to release or produce a dye, and a silver halide fixing agent which is a compound capable of fixing and stabili

Abstract: A pneumatic radial tire for a passenger vehicle, characterized in that at least a portion of a carcass line extending radially outwardly from the maximum width position in a carcass line of a tire fitted to a normal rim and inflated up to its normal internal pressure is configured so as to substantially conform to an equilibrium carcass line expressed by the following equations (1) and (2) calculated by using an internal pressure allotment ratio g(y) of a carcass layer at the tread portion that is obtained by setting the distributional configuration index .alpha. of the following equation (3) at 4 or more, and that a tread pattern having a directional property is provided to the tread surface thereof, wherein: ##EQU1## wherein, provided that a line drawn vertically downwardly from the center of the tread portion to the axle of the tire is y axis of coordinates with the axle of the tire being z axis of coordinates, y.sub.A, y.sub.D, y.sub.C, y.sub.B and .eta. denote as follows:y.sub.

Abstract: A pneumatic radial tire for a passenger vehicle, characterized in that at least a portion of a carcass line extending radially outwardly from the maximum width position in a carcass line of a tire fitted to a normal rim and inflated up to its normal internal pressure is configured so as to substantially conform to an equilibrium carcass line expressed by the following equations (1) and (2) calculated by using an internal pressure allotment ratio g(y) of a carcass layer at the tread portion that is obtained by setting the distributional configuration index .alpha.