Abstract: A titanocene compound having a carbonyl group, and a photosensitive composition whose sensitivity has been enhanced by containing this as a photopolymerization initiator, a photosensitive transfer sheet using said photosensitive composition, and a pattern forming method using said photosensitive transfer sheet are provided.

Abstract: A titanocene compound having a carbonyl group, and a photosensitive composition whose sensitivity has been enhanced by containing this as a photopolymerization initiator, a photosensitive transfer sheet using said photosensitive composition, and a pattern forming method using said photosensitive transfer sheet are provided.

Abstract: Provided are optical recording compositions that bring about optical recording media capable of multiple-recording interference images formed by an informing light and a reference light with higher sensitivity, the methods for producing the same, and optical recording methods and optical recording apparatuses that utilize the optical recording media. The optical recording compositions comprise a binder and a polymerizable monomer, wherein the binder has a site to initiate a photopolymerization reaction.

Abstract: Provided is a magnetic recording medium that is employed to particular advantage as an external recording medium for the recording of digital data, having a layer in which carbon black is well dispersed, and in particular, a backcoat layer. A magnetic recording medium comprising a layer comprising a granular substance and a binder, wherein said layer comprises the compound denoted by general formula (I) below. A—N═N—X—Y  General formula (I) (in general formula (I), A denotes a component forming an azo dye with X—Y; X denotes a group selected from among the divalent connecting groups denoted by the structural formulas below: (in general formula (II), Z denotes a lower alkylene group; —NR2 denotes a lower alkylamino group or a nitrogen-comprising five-membered or six-membered heterocyclic ring; and a denotes 1 or 2)).

Abstract: A light-reaction type optically active compound and light-reaction type chiral agent of the following general formula (I) or (II). In the general formulae, R1 and R2 represent a hydrogen atom, an alkoxy group having 1 to 15 carbon atoms, an acryloyloxyalkyloxy group having 3 to 15 carbon atoms in total or a methacryloyloxyalkyloxy group having 4 to 15 carbon atoms in total.

Abstract: Provided is a magnetic recording medium that is employed to particular advantage as an external recording medium for the recording of digital data, having a layer in which carbon black is well dispersed, and in particular, a backcoat layer. A magnetic recording medium comprising a layer comprising a granular substance and a binder, wherein said layer comprises the compound denoted by general formula (I) below.

Abstract: A light-reaction type optically active compound and light-reaction type chiral agent of the following general formula (I) or (II). In the general formulae, R1 and R2 represent a hydrogen atom, an alkoxy group having 1 to 15 carbon atoms, an acryloyloxyalkyloxy group having 3 to 15 carbon atoms in total or a methacryloyloxyalkyloxy group having 4 to 15 carbon atoms in total.

Abstract: A composition containing an organic pigment and a compound having the formula (I): ##STR1## in which R.sup.1 is a group having the formula (II): ##STR2## in which R.sup.4 and R.sup.5 represent hydrogen or alkyl, or R.sup.4 and R.sup.5 are bonded to each other to form a ring together with a nitrogen atom, X represents alkylene or alkyleneoxyalkylene, and Y represents --O--, --S-- or a group represented by --NR.sup.6 -- wherein R.sup.6 is hydrogen or lower alkyl; and R.sup.2 and R.sup.3 represent a group having the formula (II), alkyl, aralkyl, aryl, alkoxy, aralkyloxy, aryloxy, alkylamino, arylamino or a halogen atom. A photosensitive colored composition is made of the composition, a polymer having acidic group, a photopolymerizable monomer and a photopolymerization initiator.

Abstract: A thermal recording material comprising a support having thereon at least one layer containing an electron donating colorless dye, an electron accepting compound and a diaryloxyalkane derivative represented by the following general formulae (I) to (III)Ar.sup.1 O (CH.sub.2).sub.n OAr.sup.2 (I)Ar.sup.2 O--W--OAr.sup.3 (II)Ar.sup.2 OR--X--ROAr.sup.3 (III)wherein Ar.sup.1 represents an aryl group having at least one substituent selected from the group consisting of an alkoxyl group containing 2 or more carbon atoms, an alkoxycarbonyl group containing 3 or more carbon atoms, an aryloxyl group, an aryloxycarbonyl group, an alkenyl group containing 2 or more carbon atoms, an aryl group containing 4 or more carbon atoms an acyloxyl group containing 2 or more carbon atoms, a fulorine atom, a bromine atom, a carboxyl group, an alkylenedioxy group, a cycloalkyl group and a hydroxyl group; Ar.sup.2 and Ar.sup.

Abstract: A process for forming a colored partial picture element comprises a step of forming a colored light-sensitive resin composition layer on a transparent substrate by transfer so as to cover at least a part of multicolor patterns formed by picture elements each having one of the three primary colors of light which are provided on the transparent substrate, a step of irradiating the colored light-sensitive resin composition layer with an active ray through the transparent substrate to cure it, and a step of developing the above colored light-sensitive resin composition layer to form a colored partial picture element at a part where at least a part of the above multi-color patterns is not present, wherein the picture element of at least one color of the picture elements having the three primary colors of light contains at least one compound selected from the compounds represented by the following formulas (I) to (III) ##STR1## wherein variables in formulas (I)-(III) are defined in the specification.

Abstract: A compound represented by the following general formula (1) and a photosensitive resin composition comprising the compound of formula (1): ##STR1## The compound of formula (1) normally has a low ultraviolet absorption, but has a high ultraviolet absorption when heat-treated. The present invention also provides a photosensitive resin layer composition which has a low ultraviolet absorption in an appropriate wavelength range such that ultraviolet rays reach sufficiently deep into the film to effect curing when exposed to light, but which has a high ultraviolet absorption when subsequently processed.

Abstract: A method for forming a color filter comprising the steps of providing a transparent substrate having a frontside and a backside, the frontside having thereon a multicolored pattern comprising areas having colored picture elements and areas that are free of the colored picture elements; forming a light-shielding photosensitive resin layer on the transparent substrate to thereby cover the multicolor pattern; exposing the light-shielding photosensitive resin layer to actinic rays through the backside of the transparent substrate, to thereby harden those portions of the light-shielding photosensitive resin layer which do not overlay the colored picture elements; and developing the light-shielding photosensitive resin layer to form light-shielding picture elements on those areas of the substrate which do not have the colored picture elements, wherein the colored picture elements of the multicolored pattern contain a compound represented by formula (I): ##STR1## and R.sub.l and R.sub.2 are as defined herein.

Abstract: The present invention provides a photosensitive transfer sheet which does not generate cutting powder when the exposed and developed transfer sheet is cut with scissors as needed after forming an image. Additionally, no film floating and image disruption accompanied by a kink mark generated on handling the exposed and developed transfer sheet are observed. Furthermore, the above-described performance and transferability are maintained even under low humidity conditions.

Abstract: A light-shielding light-sensitive resin composition containing at least (1) an alkali soluble binder, (2) a photopolymerization initiator, (3) an addition-polymerizable monomer having an ethylenically unsaturated double bond, and (4) at least two coloring agents, wherein the light-shielding light-sensitive resin composition is characterized in that said resin composition is equivalent or close to a black color in terms of hue and, when formed into a light-shielding light-sensitive resin layer having a layer thickness of 1 to 3 micrometers, has a transmittability in a visible ray region of 2 or less and a ratio of the transmittability in the visible region to the transmittability in the UV region of 1:1 to 20:1.

Abstract: A positive-working light-sensitive composition comprises a diazonium salt represented by the following general formula (I) and an alkali-soluble polymer: ##STR1## wherein R.sup.1 represents a substituted or unsubstituted alkyl group having 3 to 18 carbon atoms; R.sup.2 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted phenoxy group or a halogen atom; A represents an organic group; X.sup.-- represents a counterion or an anion; n is an integer ranging from 1 to 4 and m is an integer ranging from 1 to 3, provided that the sum of n and m is equal to 4. The positive-working light-sensitive composition has high sensitivity and can ensure the formation of clear images.

Abstract: A novel diazo type recording material is provided comprising a recording layer containing at least one light-sensitive diazo compound incorporated in microcapsules and a coupling component which undergoes reaction with said diazo compound in a basic atmosphere to develop a color on a support, wherein said coupling component is a mixture of at least one compound represented by the following general formula [I] and at least one compound represented by the following general formula [II]: ##STR1## wherein A represents an alkylene group having from 1 to 22 carbon atoms containing an ether or thioether bond; B represents hydrogen atom, cyclohexyl group, morpholino group or piperidino group; and R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent hydrogen atom, an alkyl group having from 1 to 5 carbon atoms, alkoxy group having from 1 to 5 carbon atoms or halogen atom.

Abstract: A diazo heat-sensitive recording material which comprises a support having thereon a heat-sensitive recording layer comprising a diazo compound, a coupling component, a basic substance, and a binder; wherein the coupling component is an acylacetanilide represented by the formula (I): ##STR1## wherein R.sub.1 is substituted or unsubstituted alkyl or aryl; R.sub.2 is substituted or unsubstituted alkyl or aralkyl; R.sub.3 is substituted of unsubstituted alkyl, alkoxy, aralkyloxy, alkylthio, or aralkylthio, substituted amino, or halogeno; the total number of carbon atoms in R.sub.2 and (R.sub.3).sub.n is 5 or more; n is zero or an integer of from 1 to 4; and the R.sub.3 's may be the same or different when n is 2 or more, which is useful for forming a yellow color image and providing a developed color image with higher light-fastness, less soiling of a non-image area, and improved uniformity in color-developing layer due to the use of a more oil-soluble coupling component.

Abstract: A novel light-sensitive heat-sensitive composition is disclosed, comprising a photohardenable composition, a dye which discolors upon reacting with a base, and a base precursor. A novel light-sensitive heat-sensitive recording material is also disclosed, comprising a support having provided thereon the above described light-sensitive heat-sensitive composition. In a preferred embodiment, the dye is a spectral sensitizing dye for the photohardenable composition. Furthermore, a novel image formation process is disclosed, comprising the steps of: (a) imagewise exposing the light-sensitive heat-sensitive recording material to light to cure the exposed portions of the recording material; and (b) uniformly heating the imagewise exposed recording material to discolor the dye in the unexposed portions thereof.

Abstract: A light- and heat-sensitive recording material is disclosed which includes a support having thereon a recording layer containing a diazo compound, a coupling component, and an organic base compound, wherein the diazo compound is a 1-substituted amino-3-alkoxybenzene-4-diazonium salt and the coupling component is a compound prepared from any of cyclohexane-1,3-dione, 3-cyclohexenone, or 2-cyclohexenone. The light- and heat-sensitive recording material according to the present invention can develop an excellent magenta color hue and has excellent storage properties before recording use (shelf life).

Abstract: A heat-sensitive recording material comprising a support having provided thereon a heat-sensitive recording layer which comprises (a) a diazo compound, (b) a coupling component which forms a coloration by coupling with the diazo compound, and (c) a basic substance having a structural unit represented by Formula (I): ##STR1##