Abstract: A cyan dye-donor element for thermal dye transfer comprising a support having thereon a dye layer comprising a mixture of cyan dyes dispersed in a polymeric binder, at least one of the cyan dyes having the formula: ##STR1## and at least one of the other of the dyes having the formula: ##STR2##

Abstract: A magenta dye-donor element for thermal dye transfer comprises a support having thereon a dye layer comprising a mixture of a yellow dye and a magenta dye dispersed in a polymeric binder, the magenta dye having the formula: ##STR1## wherein: R.sup.1 is a substituted or unsubstituted alkyl or allyl group of from 1 to about 6 carbon atoms;X is an alkoxy group of from 1 to about 4 carbon atoms or represents the atoms which when taken together with R.sup.2 forms a 5- or 6-membered ring;R.sup.2 is any of the groups for R.sup.1 or represents the atoms which when taken together with X forms a 5- or 6-membered ring;R.sup.3 is a substituted or unsubstituted alkyl group of from 1 to about 6 carbon atoms, or a substituted or unsubstituted aryl group of from about 6 to about 10 carbon atoms;J is CO, CO.sub.2, --SO.sub.2 -- or CONR.sup.5 --;R.sup.

Abstract: A photosensitive member suitable for multi-color image formation is obtained by forming a plurality of photosensitive layers laminated on a substrate. Each photosensistive layer comprises a matrix phase and particles dispersed therein. The matrix phase contains a photosensitive silver salt, an organic silver salt and a reducing agent which react with each other on exposure and heating to form a light-absorbing organic compound. The particles contain a heat-diffusive colorant, a polymerizable polymer precursor and a photopolymerization initiator. The light-absorbing organic compound in a photosensitive layer being capable of absorbing a wavelength of light to which the photopolymerization initiator in the photosensitive layer is sensitive. Because the heat-diffusive colorant, the polymerizer and the initiator are contained in the particles, the diffusion of the heat-diffusive colorant can be effectively controlled to prevent color fog.

Abstract: A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is an indene-bridged-polymethine dye. In a preferred embodiment, the indene-bridged-polymethine dye has the following formula: ##STR1## wherein: R represents a substituted or unsubstituted alkyl or cycloalkyl group having from 1 to about 6 carbon atoms or an aryl or hetaryl group having from about 5 to about 10 atoms; R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryly group; or any two of said R, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.

Abstract: These is disclosed donor elements for laser-induced thermal imaging processes containing infra-red absorbing squarylium dyes of the following structure: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are each independently alkyl groups of from one to eight carbon atoms.

Abstract: This invention relates to a process of forming a laser-induced thermal dye transfer image comprising:(a) contacting at least one dye-donor element comprising a support having thereon a dye layer and an infrared-absorbing material with a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer, said dye-donor and dye-receiver being separated by a finite distance to create a space;(b) imagewise-heating said dye-donor element by means of a laser; and(c) transferring a dye image to said dye-receiving element to form said laser-induced thermal dye transfer image,and wherein a vacuum is applied to said space between said donor and said receiver in order to minimize the mean free path the vaporized dye molecules travel without collision with other molecules for transfer to said receiver.

Abstract: A thermally-transferred color filter array element comprising a transparent support having thereon a thermally-transferred image comprising a repeating mosaic pattern of colorants in a cross-linked polymeric binder having a T.sub.g greater than 150.degree. C., the binder being cross-linked after transfer of the image.

Abstract: A thermally-transferred color filter array element comprising a transparent support having thereon a thermally-transferred image comprising a repeating mosaic pattern of colorants in a receiving layer, one of the colorants being a phenyl or thienyl azoaniline blue dye. In a preferred embodiment, the dye has the following formula: ##STR1## wherein R.sup.1 and R.sup.2 each independently represents hdyrogen; a substituted or unsubstituted alkyl group of from 1 to about 6 carbon atoms; a cycloalkyl group of from about 5 to about 7 carbon atoms; or a substituted or unsubstituted aryl or hetaryl group of from about 6 to about 10 carbon atoms;R.sup.3 represents hydrogen or a substituted or unsubstituted alkyl or alkoxy group of from 1 to about 10 carbon atoms;R.sup.2 may be taken together with R.sup.1 to form a 5- or 6-membered ring;R.sup.1 or R.sup.2 may be combined with R.sup.

Abstract: A dye for heat sensitive transfer recording represented by formula (I): ##STR1## wherein Q.sup.1 represents an atomic group, which includes at least one nitrogen atom, which is required, together with the carbon atoms to which said atomic group is bonded, to form an at least five membered nitrogen containing heterocyclic ring; R.sub.1 represents an acyl group or a sulfonyl group; R.sub.2 represents a hydrogen atom or an aliphatic group which has from 1 to 6 carbon atoms; R.sub.3 represents a hydrogen atom, a halogen atom, an alkoxy group, or an aliphatic group which has from 1 to 6 carbon atoms; R.sub.4 represents a halogen atom, an alkoxy group, or an aliphatic group which has from 1 to 6 carbon atoms; n represents an integer of from 0 to 4; R.sub.3 may be joined to R.sup.1, R.sup.2, or R.sup.4 to form a ring; R.sup.5 and R.sup.6, which may be the same or different, each represents a hydrogen atom, an aliphatic group which has from 1 to 6 carbon atoms, or an aromatic group; R.sup.5 and R.sup.

Abstract: A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer comprising a polymeric binder and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is a cyanine dye having a solution absorption maximum in methanol of between about 700 nm and 900 nm and having the following formula: ##STR1## wherein: R.sup.1 and R.sup.2 each independently represents a substituted or unsubstituted alkyl group;R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, and R.sup.8 each independently represents hydrogen or a substituted or unsubstituted alkyl group;or any two of said R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 groups may be joined together, directly or through one or more methyne or methylene groups to complete a substituted or unsubstituted carbocyclic or heterocyclic ring of 5 to 9 members;Z.sup.1 and Z.sup.

Abstract: A process of preparing a color filter array element for use in making a color liquid crystal display device comprising:(a) overlaying a dye-receiving element with a dye-donor element, the dye-receiving element comprising a dimensionally-stable temporary support having thereon, in order, a polymeric alignment layer, a transparent conducting layer and a dye-receiving layer;(b) imagewise heating the dye-donor element to transfer a dye image in a repeating mosaic pattern to the dye-receiving layer;(c) removing the dye-donor element from contact with the dye-receiving element;(d) laminating a transparent permanent support to the dye-receiving layer containing the dye image in a repeating mosaic pattern; and(e) removing the temporary support to expose one surface of the polymeric alignment layer, thereby forming the color filter array element.

Abstract: A thermally-transferred color filter array element comprising a transparent support having thereon a thermally-transferred image comprising a repeating mosaic pattern of colorants in a polycarbonate binder having a T.sub.g greater than about 200.degree. C.

Abstract: A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer which also contains an infrared-absorbing material which is different from the dye, and wherein the infrared-absorbing material is a quinoid dye derived from an anthraquinone or naphthoquinone having the following formula: ##STR1## wherein: Z represents the atoms necessary to complete a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring;each R independently represents hydrogen, a substituted or unsubstituted alkyl or alkoxy group having from 1 to about 6 carbon atoms or an aryl or hetaryl group having from about 5 to about 10 atoms;m is 4; andn is 2.

Abstract: A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is a bis(aminoaryl)polymethine dye. In a preferred embodiment, the bis(aminoaryl)polymethine dye has the following formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryl group; or any two of said R.sup.1, R.sup.2 and R.sup.3 groups may be joined together or with an adjacent aromatic ring to complete a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring;R.sup.4, R.sup.5, R.sup.6 and R.sup.

Abstract: A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is a merocyanine dye. In a preferred embodiment, the merocyanine dye has the following formula: ##STR1## wherein R represents a substituted or unsubstituted alkyl group having from 1 to about 6 carbon atoms or a substituted or unsubstituted aryl or hetaryl group having from about 5 to about 10 atoms;R.sup.1, R.sup.2, R.sup.3, and R.sup.4 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryl group; or any two of said R, R.sup.1,R.sup.2, R.sup.3 and R.sup.

Abstract: A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is an oxyindolizine dye. In a preferred embodiment, the oxyindolizine dye has the following formula: ##STR1## wherein R.sup.1 and R.sup.2 each independently represents a substituted or unsubstituted alkyl group having from 1 to about 6 carbon atoms or an aryl, cycloalkyl or hetaryl group having from about 5 to about 10 atoms;R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryl group;or any two of said R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.

Abstract: A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is a bis(chalcogenopyrylo)polymethine dye. In a preferred embodiment, the bis(chalcogenopyrylo)polymethine dye has the following formula: ##STR1## wherein: R.sup.1, R.sup.2 and R.sup.3 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryl group; or any two of said R.sup.1, R.sup.2 and R.sup.3 groups may be joined together to form a 5- to 7-membered substituted or unsubstituted carboxyclic or heterocyclic ring; or R.sup.1 may be joined to Z.sup.1 to form a fused 5- or 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring; or R.sup.3 may be joined to Z.sup.

Abstract: A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material which is different from the dye in the dye layer, and wherein the infrared-absorbing material is a chalcogenopyrylo-arylidene dye. In a preferred embodiment, the chalcogenopyrylo-arylidene dye has the following formula: ##STR1## wherein: R.sup.1 and R.sup.2 each independently represents hydrogen, halogen, cyano, alkoxy, aryloxy, acyloxy, aryloxycarbonyl, alkoxycarbonyl, sulfonyl, carbamoyl, acyl, acylamido, alkylamino, arylamino or a substituted or unsubstituted alkyl, aryl or hetaryl group; or any of R.sup.1 and R.sup.2 may be joined together or with an adjacent aromatic ring to complete a 5- to 7-membered substituted or unsubstituted carbocyclic or heterocyclic ring;R.sup.3 and R.sup.6 each independently represents R.sup.1 or the atoms necessary to complete a 5- to 7-membered fused substituted or unsubstituted carbocyclic or heterocyclic ring;R.sup.4 and R.sup.

Abstract: A glass-to-polycarbonate adhesive for a color filter array element for use in making a color liquid crystal display device comprising a glass support having thereon an adhesive layer and a polycarbonate dye-receiving layer, the adhesive layer comprising either(a) a polymer comprising the units of a linear polyester containing one or more substituted or unsubstituted aromatic diacids condensed with two or more substituted or unsubstituted aliphatic diols, said linear polyester having the formula: ##STR1## wherein: m is 100 to 90 mole %;n+p=m with the provision that each of n and p is at least 20 mole %; andQ and R each independently represents a different substituted or unsubstituted difunctional linking group;(b) a polymer comprising units of a linear polyester containing one or more substituted or unsubstituted aromatic diacids and one or more alicyclic diacids condensed with one or more aliphatic diols, said linear polyester having the formula: ##STR2## wherein m+k is 100 to 90 mole %;k is 5 to 50 mole %;n=

Abstract: A method of making an array of a repeating mosaic pattern of colorants carried on a support using(a) a plurality of donor materials each comprising a radiation-absorbing material and, respectively, a sublimable dye of a different color, and(b) a receiver element comprising a support having thereon a dye-receiving layer,wherein each donor material is in turn brought into face-to-face contact with the receiver and exposed patternwise to a high-intensity light source to transfer the desired pattern of dye to the receiver layer.

Abstract: A method of forming a color diffusion transfer image by heat development is disclosed. This method comprises effecting imagewise exposure of a thermally developable photosensitive material containing an organosilver salt and a thermally non-diffusing color providing material capable of releasing a chelatable diffusing dye upon heat development, thermally developing the exposed photosensitive material to form an imagewise pattern of the chelatable dye from said color providing material, and diffusing and transferring at least part of said imagewise pattern into an image-receiving layer containing a polyvalent metallic ion that is superimposed on the photosensitive material, thereby forming on the image-receiving layer an imagewise pattern of the dye that has chelated with the polyvalent metallic ion.

Abstract: In a heat-developable color light-sensitive material comprising a support having thereon at least two light-sensitive layers each comprising a light-sensitive silver halide, organic silver salt, dye-donating material capable of releasing or forming a diffusible dye by heat development, reducing agent, and hydrophilic binder, said at least two light-sensitive layers differing from each other in the color sensitivity of said light-sensitive silver halide and in the hue of said diffusible dye, said heat-developable color light-sensitive material, wherein at least one of said light-sensitive layer(s) containing said dye-donating materials are hardened with a hardening agent for said hydrophilic binder. The foregoing heat-developable color light-sensitive material prevents diffusion of the dye-donating material and reduces or prevents the color-crossover phenomenon. Transferability of the dye is also improved as is scratch resistance of the photographic component layers.

Abstract: In a heat-transfer image-receiving element adapted to have a superposed relation, at least during a heat-transfer processing, with a heat-transfer element containing a heat-transferable dye donator, wherein said heat-transfer image-receiving element comprises at least one of compounds having the following general Formula (I), (II) or (III) and at least one of compounds having the following general Formula (IV) ##STR1## wherein R.sub.1, R.sub.1 ', R.sub.3, R.sub.3 ' and R.sub.5 each is a hydrogen atom, alkyl, alkenyl, cycloalkyl, phenyl, naphthyl, heterocyclic, acyl, alkylsulfonyl, arylsulfonyl or aralkylsulfonyl group; R.sub.2, R.sub.4, R.sub.4 ', R.sub.6 and R.sub.7 each is a hydrogen atom, a halogen atom, or a monovalent organic group, l is an integer of from 1 to 4, q is an integer of from 1 to 6, m, n and p each is an integer of from 1 to 3, provided if the l, m, n, p and q each is an integer of not less than 2, the R.sub.2, R.sub.4, R.sub.4 ', R.sub.6 and R.sub.

Abstract: A transfer printing medium comprising a substrate supporting a thermal transfer dye and a radiation absorber positioned to provide thermal energy to the transfer dye when subjected to radiation within a predetermined absorption waveband, has a radiation absorber which is an infra-red absorbing poly(substituted)phthalocyanine compound in which each of at least five of the peripheral carbon atoms in the 1, 4, 5, 8, 9, 12, 13 or 16 positions (the "3,6-positions") of the phthalocyanine nucleus, as shown in Formula I, is linked by an atom from Group VB or Group VIB of the Periodic Table, other than oxygen, to a carbon atom of an organic radical. In preferred compounds each of the eight 3,6-positions is linked by an atom from Group VB or Group VIB, especially sulphur, selenium or nitrogen, to an organic radical.

Abstract: A dye-donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer and an infrared-absorbing material, and wherein the dye layer has a layer coated thereover which contains spacer beads of such particle size and concentration that effective contact between the dye-donor element and a dye-receiving element is prevented during the laser-induced thermal dye transfer.

Abstract: A color transfer imaging element comprising a support having thereon an imaging layer comprising a thermographic, photothermographic, or electrographic material capable of forming an image which absorbs or scatters light or infrared radiation, and a dye layer from which a dye image can be transferred to an image receiver when the imaging element is overall exposed to radiation that is absorbed or scattered by the imaged areas of the imaging layer, thereby causing imagewise heating of the dye. The dye layer is positioned relative to the other layers so as to allow this imagewise transfer of dye to the image receiver.

Abstract: A laser-imageable assembly comprising a transparent substrate and an associated energy absorbent transfer layer comprising particles which absorb laser energy dispersed in a resin, the assembly comprising at least one further layer selected from(a) an intermediate priming layer,(b) a protective coating layer, and(c) a lubricant coating layer.The transfer layer is preferably rendered heterogeneous - for example, by appropriately drying the coated substrate.A preferred substrate is a polyester film.

Abstract: A radiation-sensitive, imageable article comprises in sequence a substrate, a vapor-deposited colorant layer capable of providing an optical density of at least 0.3 to a 10 nm band of the electromagnetic spectrum between 280 and 900 nm, and a vapor-deposited graded metal/metal oxide or metal sulfide layer.

Abstract: Images can be formed on a receptor sheet by transfer of a dye image. The positive dye image is formed by bleaching of dye with an iodonium ion. The positive dye image is then transferred by sublimation or diffusion onto a receptor sheet.

Abstract: A laser-imageable assembly comprising a transparent substrate having on a surface thereof an energy absorbent transfer layer comprising particles which absorb laser energy dispersed in a heterogeneous resin layer. Heterogeneity may be achieved by appropriately drying the coated substrate.The assembly may also comprise one or more additional layers of primer, protective and lubricant coatings.A preferred assembly comprises a polyester substrate with a graphite-containing heterogeneous transfer layer.

Abstract: The transfer recording method which comprises heating a transfer sheet having a color material layer containing a sublimable dye on a base according to the image information received, thereby subliming said sublimable dye and transfer recording it on an image receiving layer of a recording sheet, a transfer recording method which is characterized by that the image receiving layer of the recording sheet contains a compound capable of reacting with the sublimable dye contained in the color material layer of the transfer sheet.

Abstract: Metallic salts of organic charge-transfer agents, such as TCNQ, TNAP, TCNE and DDQ and their derivatives, can be processed by an electron beam for a variety of useful electronic and optical applications. The metallic charge transfer salts can be used to deposit high resolution conductive lines directly without developing solutions or subsequent metallization steps. The compounds can also be employed in the conventional manner as resists for doping (i.e., ion diffusion or implantation) and to diffuse metals into substrates. In particular, electronic devices, optical devices and image-storage devices are disclosed which can be formed by simple electron beam processed of metal charge-transfer salt films deposited on substrates.

Abstract: A radiation-sensitive, imageable article comprises in sequence a substrate, a vapor-deposited colorant layer capable of providing an optical density of at least 0.3 to 10 nm band of the electromagnetic spectrum between 280 and 900 nm, and a vapor-deposited graded metal/metal oxide or metal sulfide layer.

Abstract: A photothermographic composite structure and process for its use provides a color image by thermal diffusion. The photothermographic composite structure comprises:(a) an image-receiving element comprising a polymeric image-receiving layer having a glass transition temperature in the range of 20.degree. to 200.degree. C., and(b) strippably adhered to the image-receiving element, an imageable photothermographic element comprising in at least one layer, thereof a binder, a silver source material, photosensitive silver halide in catalytic proximity to the silver source material, if necessary a reducing agent for silver ion, and a leuco base dye.

Abstract: The laser imaging material comprises a laser-transparent support layer of, for example, polyester. A first overlying layer is laser-transparent and formed from a binder that is instantaneously thermally-chemically-decomposable with the production of a gas, for example, an acrylic or methacrylic homopolymer or copolymer, a cellulosic polymer, or a homopolymer or copolymer of stryene. A second overlying layer is formed from such a material, the same as or different from that of the first overlying layer, pigmented with carbon black. Upon laser irradiation through the support layer 10, selected portions of the carbon black are transferred to a suitable receptor surface such as paper or a lithographic plate.

Abstract: A process for providing a color image comprises exposing a radiation sensitive layer over a vapor deposited colorant layer and vaporizing the colorant to selectively transmit the colorant through the exposed layer. The change in solubility, penetrability and/or crosslinking or polymerization causes differential migration through the exposed layer.

Abstract: Optical recording medium includes a substrate, a coloring agent layer formed on the substrate, a light absorber layer formed on the coloring agent layer and a developer layer formed on the light absorber layer. The coloring agent layer is separated from the developer layer by the light absorber layer and the lamination layer composed of these layers has a uniform thickness. The optical recording medium is produced by vacuum depositing a coloring agent, a light absorber and a developer successively on the substrate to form a multi-layer construction, the substrate being capable of transmitting visible light and near infrared light. Alternatively, the optical recording medium contains a plurality of lamination layers mentioned above. The optical recording medium has a high contrast and achieves a high speed multi-color recording.

Abstract: A transfer medium useful for preparing duplicates of originals such as printed matter. The transfer medium comprises a light-transmissive backing sheet, a layer coated on at least one major surface thereof containing a photooxidizable reactant and an oxygen-sensitizing dye in a film-forming binder and, over said layer, a top coat of an oxygen-permeable, low tack adhesive.Upon imagewise exposure to light, the transfer medium is desensitized in areas corresponding to the light image areas of the original, resulting in a latent image in the areas corresponding to the dark image areas of the original.The unoxidized photooxidizable reactant is capable of inter-reacting with a second reactant material borne on the surface of a receptor sheet at a conversion temperature between 70.degree. C. and 150.degree. C. to produce a visibly distinct reaction product.

Abstract: An image forming process comprising steps of arranging on a support member, in accordance with image signals, image forming particles containing dye former which develops its color in reaction with a color developing agent, heat-transferring the dye former from the particles to an image receiving substrate. After the heat-transfer step, the color developing agent is caused to adhere to the dye former heat-transferred on the image receiving substrate to provide colored images.Choice of the image receiving substrate and the color developing agent is expanded. Fogging is not caused, color purity is not lowered, and the other image receiving material is not polluted due to reevaporation of the dye former which is on the image receiving substrate and is not reacted with color developing agent.

Abstract: A process for forming color images which comprises providing a light absorbing dye layer or a dye containing layer on a base, at least the surface of which is composed of a transparent dye accepting polymer through which dyes are capable of thermally diffusing, imagewise exposing the dye layer or the dye containing layer to light having a high energy density such that a dye image is formed in the dye accepting polymer in the exposed area by thermal diffusion of the dye, and thereafter removing the dye or the dye containing layer in the unexposed areas.

Abstract: An ink composition for heat transfer printing comprising at least one of carbinol bases of basic dyes or their derivatives, a strong base, a binder and a solvent for dissolving the binder. This ink composition is excellent in storage stability because it contains a carbinol base of a basic dye or its derivative in isolated form as a coloring agent along with a strong base. By using this ink composition, a transfer sheet having high storage stability can be obtained.

Abstract: An ink composition for heat transfer printing comprising at least one of carbinol bases of basic dyes or their derivatives, a strong base, a binder and a solvent for dissolving the binder. This ink composition is excellent in storage stability because it contains a carbinol base of a basic dye or its derivative in isolated form as a coloring agent along with a strong base. By using this ink composition, a transfer sheet having high storage stability can be obtained.

Abstract: Photocross-linkable, organic solvent-soluble polymers having a Tg greater than 200.degree. C. are disclosed. The polymers contain sufficient radiation-sensitive cross-linkable units to render the polymers insoluble in organic solvents on exposure to radiation to which the cross-linkable units are sensitive. Also disclosed are supports, particularly supports having a radiation-sensitive surface, having thereon a layer of the described photo-corss-linkable polymers. The polymers are capable of receiving heat-transferrable dyes and are useful in forming color filter arrays for solid-state imaging devices. A particularly convenient method of forming solid-state color imaging devices having a layer containing an array of color filters is also disclosed.