Abstract: A photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and at least one non-photosensitive layer, wherein the photothermographic material contains a water-insoluble azomethine dye and a metal phthalocyanine dye represented by formula (PC-1): wherein M represents a metal atom; R1, R2, R3, R4, R5, R6, R7, and R8 each independently represent a hydrogen atom or a substituent; and at least one of them is an electron-attracting group. The invention provides a photothermographic material which exhibits preferable image tone and excellent image storability.

Abstract: A process for the production of a ? type copper phthalocyanine pigment, comprising dry-milling a crude copper phthalocyanine having a purity of 97 to 100% and a primary crystal diameter of 0.5 to 100 ?m at a temperature of 180 to 50° C., to prepare an ?/? mixed crystal type copper phthalocyanine having an ? ratio of 5 to 35%, and treating the dry-milled product with a water-miscible organic solvent, wherein 0.1 to 20% by weight of at least one compound selected from the group consisting of a compound of the formula (1), a compound of the formula (2) and a compound of the formula (3) is added to the dry-milled product before, during or after the step (B) MePc—{X—(CH2)kNR1R2}n??(1) MePc—(SO3?N+R5R6R7R8)p.

Abstract: Disclosed herein is a dye composition for dyeing human keratin fibers, such as the hair, comprising a direct polycationic dye of formula (I) below: Col-Z-Col??(I) in which Col, which may be identical or different, is a noncationic dye chosen from azo dyes, methine dyes, azomethine dyes, phenothiazine dyes, triarylmethene dyes, xanthene dyes, phenanthridine dyes, and phthalocyanin dyes; and Z is chosen from linear and branched, saturated and unsaturated C1-C20 hydrocarbon-based groups comprising at least one nitrogen atom and bearing at least two cationic charges, and also to processes for dyeing human keratin fiber using said composition, to the use of the dyes of formula (I) as direct dyes, and to multi-compartment devices.

Abstract: A flexible organic single crystal has a plurality of columns. The plurality of columns includes a plurality of planar organic compounds arranged so that molecular planes of molecules are respectively parallel to each other. As the organic compound, an organic compound is used that has a large molecular plane and a large area overlapping on an adjacent organic compound due to an intermolecular interaction. Further, energy changes in proportion to a strain. In this structure, when force along the direction of a stack axis is exerted, an angle formed by the stack axis and the normal of the molecular plane of the organic compound changes. Thus, the single crystal obtains flexibility.

Abstract: Disclosed herein is a dye composition for dyeing human keratin fibers, such as the hair, comprising a direct polycationic dye of formula (I) below: Col-Z-Col??(I) in which Col, which may be identical or different, is a monocationic dye chosen from azo dyes, methine dyes, azomethine dyes, and phenothiazine dyes; and Z is chosen from linear and branched, saturated and unsaturated C1–C20 hydrocarbon-based groups comprising at least one nitrogen atom and bearing at least two cationic charges, and also to processes for dyeing human keratin fibers using said composition, to the use of the dyes of formula (I) as direct dyes, and to multi-compartment devices.

Abstract: A liquid crystal display which has spacers reliably joined with a pair of substrates of the liquid crystal display by using spacers adapted to the purpose with respect to material, structure, method of joining with the substrates, etc. A pair of substrates can be reliably joined with spacers, and the strength of the liquid crystal display against an external pressure as well as display characteristics can be thereby improved. A manufacturing methods for such a liquid crystal display is also disclosed.

Abstract: A dye composition for dyeing human keratin fibers, such as hair, comprising at least one direct tricationic dye of formula (I) below: Col—Z—Col ??(I) wherein: Col, which may be identical or different, is a monocationic dye chosen from azo dyes, cyanomethine dyes and phenothiazine dyes and Z is chosen from linear and branched, saturated and unsaturated C1–C20 hydrocarbon-based groups comprising at least one nitrogen atom and bearing a cationic charge. Also processes for dyeing human keratin fibers using the dye composition, to the use of the at least one direct tricationic dye of formula (I) as direct dyes, and to multi-compartment devices.

Abstract: A dye composition for dyeing human keratin fibres, such as hair, comprising at least one dissymmetrical polycationic direct dye of formula (I) below: Col1-Z-Col2??(I) wherein: Col1 and Col2, which differ in structure, are chosen from tazo dyes, methine dyes, azomethine dyes, phenothiazine dyes, triarylmethane dyes, xanthene dyes, phenanthridine dyes and phthalocyanin dyes and Z is chosen from linear and branched, saturated, unsaturated and cyclic C1–C20 hydrocarbon-based groups comprising at least one nitrogen atom and bearing at least one cationic charge; and also to processes for dyeing human keratin fibres using the composition, to the use of the at least one dissymmetrical polycationic direct dye of formula (I) as direct dyes, and to multi-compartment devices.

Abstract: Water soluble hybrid phthalocyanine derivatives useful in competitive and noncompetitive assays immunoassays, nucleic acid and assays are disclosed and claimed having (1) at least one donor subunit with a desired excitation peak; and (2) at least one acceptor subunit with a desired emission peak, wherein said derivative(s) is/are capable of intramolecular energy transfer from said donor subunit to said acceptor subunit. Such derivatives also may contain an electron transfer subunit. Axial ligands may be covalently bound to the metals contained in the water soluble hybrid phthalocyanine derivatives. Ligands, ligand analogues, polypeptides, proteins and nucleic acids can be linked to the axial ligands of the dyes to form dye conjugates useful in immunoassays and nucleic acid assays.

Abstract: A pigment composition composed of 50 to 95% by weight of a phthalocyanine, 1 to 45% by weight of a halogenated phthalocyanine of which the number of substituents of a halogen atom is 1 to 9 and the average number of the substituents is 2.0 to 4.0 and 0.1 to 10% by weight of a phthalocyanine derivative of the formula (1) or a phthalimide methylated phthalocyanine derivative, a colorant containing the above pigment composition and a molded article obtained from a plastic containing the above colorant, P—(X)m??(1) wherein P represents a phthalocyanine structure, X represents an alkyl group having 12 to 18 carbon atoms, an alkoxy group having 12 to 18 carbon atoms, —SO2NHR, —SO2NR2, —NR2, —CONR2, —CONHR or —SR (wherein R represents an alkyl group or an alkenyl group which has 12 to 18 carbon atoms), and m is an integer of 1 to 4.

Abstract: The present invention provides a novel paramagnetic metal-phthalocyanine complexes and pharmaceutically acceptable salts thereof, which are useful as contrast agents for MRI(Magnetic Resonance Imaging), diagnostic X-ray imaging and computed tomography(CT). The present invention also provides contrast agents for imaging, comprising the new paramagnetic metal-phthalocyanine complexes. The new contrast agents of the present invention show high imaging enhancement effects at lower concentration and are safer than the previously reported contrast agents.

Abstract: In a process for forming an amorphous pigment mixture consisting essentially of TiOPc and TiOFPc and containing more than about 75 weight percent of TiOPc, a mixture of crude crystalline TiOPc and TiOFPc pigments in a weight ratio of at least 75:25 TiOPc:TiOFPc is combined with at least about 5 wt. %, based on the total weight of TiOPc and TiOFPc, of an organic milling aid. The mixture is treated under conditions effective to form a substantially amorphous pigment mixture of TiOPc and TiOFPc. The organic milling aid can be separated from the substantially amorphous pigment mixture, which can be converted to a nanoparticulate cocrystalline TiOPc/TiOFPc composition.

Abstract: A process for the production of a ? type copper phthalocyanine pigment having an average primary crystal diameter of 80±40 nm and a primary crystal aspect ratio of 2.0±1.0 and having a crystallite diameter of 22±5 nm in the direction perpendicular to a monoclinic ? (200) plane, a crystallite diameter of 27±5 nm in the direction perpendicular to a ? (001) plane and a crystallite diameter of 15±5 nm in the direction perpendicular to a ? (010) plane, which process comprises, dry-milling a crude copper phthalocyanine having a purity of 97 to 100% and a primary crystal diameter of 0.5 to 100 ?m at 180 to 50° C., to prepare an ?/? mixed crystal type copper phthalocyanine having an a ratio of 5 to 35%, and treating the dry-milled product in a water-miscible organic solvent.

Abstract: A process for the production of a &bgr; type copper phthalocyanine pigment having an average primary crystal diameter of 80±40 nm and a primary crystal aspect ratio of 2.0±1.

Abstract: The novel phthalocyanine cyan dye of the formula (I) in which M represents an ion of a metal selected from the group consisting of Cu, Fe, Co, Mg, Mn, Sn and Ni, X represents a linear compound having 6-10 atoms in length containing C, O, and/or N, R1 represents pyridine, imidazole, sulfide, thiol, phenol, benzene, benzaldehyde, pyrimidine, pyrizine, triazine, thiazole, oxazole, pyridone, pyrone, pyrole, thiophene, furan, pyran, dioxane, and morpholine, and derivatives thereof, R2 represents an atom or chemical group that imparts water solubility to the phthalocyanine cyan dye, and y and z each independently represent an integer of 1 to 3 satisfying the relation of 2≦y+z≦4. Ink formulations containing at least one dye of the formula (I) and methods for ink jet printing with inks containing the phthalocyanine cyan dyes of formula (I).

Abstract: Nonionic, hydrophobic photobleach compounds, especially those based on Si(IV) phthalocyanines, which are liquid at ambient temperatures and their use in a variety of consumer product compositions.

Abstract: An optical recording medium having a recording layer which contains at least one compound selected from the group consisting of mono-, di-, and triazaporphyrin compounds optionally in the form of a metal complex; or an optical recording medium comprising a substrate and formed thereon at least a recording layer containing an organic dye as a main component, characterized in that the organic dye has a first maximum value of absorption at a wavelength &lgr;1 of 400 nm or less in the absorption spectrum and has a second maximum value of absorption at a longer-wavelength side than the &lgr;1, and a wavelength band wherein the refractive index (n) and the absorption coefficient (k) of the above organic dye satisfy n≧1.90 and 0.03≦k≦0.30.

Abstract: Methods, compounds and compositions are disclosed for treating amyloidogenic diseases, like Alzheimer's disease and type 2 diabetes, and particularly prion diseases associated with conversion of protease sensitive PrP (PrP-sen) to protease resistant PrP (PrP-res), by administering therapeutically effective amounts of a tetrapyrrole. Particular disclosed tetrapyrroles having this activity include phthalocyanines, deuteroporphyrins, and meso-substituted porphines. Complexes of certain of the pyrroles with metals or metal ions produce compounds that are particularly effective in converting the conversion of PrP-sen to PrP-sen. The treatment of the present invention is particularly suited for preventing or inhibiting the progression of prion related diseases, such as transmissible spongiform encephalopathies.

Abstract: Organic pigments are conditioned by introducing a liquid prepigment suspension into a miniaturized continuous reactor and thermally treating therein.

Abstract: A phthalimide salt compound is contained in a photosensitive material having a charge generating function. Such a photosensitive material exhibits high retention rates of the surface charge. An electrophotographic photoconductor comprising such a photosensitive material is useful in, for example, printers, photocopiers, and facsmilie machines.

Abstract: Consumer product compositions such as laundry detergents comprising selected photosensitive compounds for photobleaching, photodisinfection, antibacterial activity, hueing or other benefits. The compositions are preferably formulated with detersive surfactants and/or water-soluble polymers.

Abstract: Organic pigments are conditioned by introducing a liquid prepigment suspension into a miniaturized continuous reactor and thermally treating therein.

Abstract: An electrophotographic photosensitive member exhibiting a high sensitivity and a potential stability on repetitive use and capable of suppressing image defects, such as black spots in a reversal development scheme, is provided. The photosensitive member includes a support, and a phthalocyanine layer formed on the support and a novel phthalocyanine crystal, which comprises a phthalocyanine compound and a substituted or unsubstituted condensed polycyclic hydrocarbon compound.

Abstract: The novel phthalocyanine cyan dye of the formula (I) 1

Abstract: The present invention discloses dye-sulfenate derivatives and their bioconjugates for dual phototherapy of tumors and other lesions. The compounds of the present invention may contain either a mixture of Type 1 and Type 2 agents or a single entity that integrates both units in the same molecules. The compounds are designed to produce both Type 1 and Type 2 phototherapeutic effect at once using dual wavelength light source that will produce singlet oxygen and free radicals at the lesion of interest.

Abstract: Phthalocyanine compounds of the formulas I and II: wherein X1-8 are each halogen and R1-8 are each independently halogen or an anti-stacking moiety; and [MxLySz]Cw  (II) wherein M is a metal, L is an anion of a phthalocyanine compound of formula I as defined above, S is an organic or inorganic ligand, C is a counterion, x and y are numbers greater than zero, and z and w are numbers zero or greater, are disclosed. Pharmaceutical compositions comprising the compounds and methods of using the compounds, for example for treatment of cancer, are also disclosed.

Abstract: The present invention discloses dye-azide derivatives and their bioconjugates for dual phototherapy of tumors and other lesions. The compounds of the present invention may contain either a mixture of Type 1 and Type 2 agents or a single entity that integrates both units in the same molecules. The compounds are designed to produce both Type 1 and Type 2 phototherapeutic effect at once using dual wavelength light source that will produce singlet oxygen and nitrene at the lesion of interest.

Abstract: [Problem] To provide a novel reaction product useful as an organic photoconductive material for electrophotographic photoconductors.

Abstract: The invention relates to a novel phthalocyanine compound which absorbs in a near-infrared region of 700˜1000 nm with little absorption in the visible region of the spectrum and can be applied with advantage to a near-infrared light-absorbing filter for plasma display, a secret ink and other applications and to a process for producing the phthalocyanine compound. The above phthalocyanine compound has the following general formula (I). A near-infrared light-absorbing material containing the same is also provided.

Abstract: The invention relates to phthalocyanine compounds and are represented by the formula: The compounds are used as a colorant and a pigment precursor, especially in light-sensitive compositions for color filters.

Abstract: Disclosed are a phthalocyanine crystal in which an organic acceptor compound is associated with a phthalocyanine molecule, wherein said organic acceptor compound has a reduction potential to a reference electrode (Ag+/Ag) is not less than −1.5 V and not more than −0.5 V, and an electrophotosensitive material containing said phthalocyanine crystal as an electric charge generating material, which exhibits sufficient photosensitivity even in high-speed image forming apparatuses.

Abstract: Disclosed are compounds of formula V wherein M is selected from: a metal atom; a metal compound; 2H whereby one H is bonded to each of the two nitrogen atoms depicted as being bonded to M (positions 29 and 31 shown) R3 is H or methyl; R1 and R4 are independently selected from: H, C1 to C4 alkyl, C2 to C4 alkenyl, methoxy, butoxy, propoxy, NH2, NH—(C1 to C4 alkyl), N—(C1 to C4 alkyl)2, S—(C1 to C4 alkyl); R8 to R25 are the same or different and are independently selected from: C1 to C32 alkyl; C2 to C32 alkenyl; X—O—Y; X—phenyl, X2COOX1, X2CONR1R11, H; halide; wherein: X and X2 are independently selected from: a chemical bond, —(CH2)n— wherein n is an integer from 1 to 32, —(CH2)a—CH═CH(CH2)b where a and b are independently selected from integers 0-32 and a+b totals 32; X1 and Y are independently selected from: C1 to C32 alkyl, C2 to C32 alkenyl, and H; R1 and R11 are independently selected from: H; C1 to C32 alkyl, C2 to C

Abstract: The present invention provides a method for treating a viral infection in a subject in need of such treatment comprising administering to the subject a photosensitizer formulated in a liposome carrier, and exposing the subject to light at a wavelength 20-40 nm greater than the maximum absorption of the photosensitizer at a sufficient dose and duration to treat the viral infection in the subject. The present invention also provides a method for treating a viral infection in a subject in need of such treatment comprising administering to the subject (i) a photosensitizer formulated in a liposome carrier and (ii) at least one quencher, and exposing the subject to light at a sufficient wavelength, dose and duration to treat the viral infection in the subject.

Abstract: Phthalocyanine compounds substituted by from 1 to 8 substituents of formula (—O—R—O—) wherein R is a 1,2-arylene group are provided. Preferably, the phthalocyanine compounds are substituted by catechol. Additional substituents which may be present include hydrocarlyloxy, hydrocarbylthio, halogen and sulphonic acid or a salt thereof.

Abstract: Compounds of formula A(B)x  (I), wherein x is an integer from 1 to 8, A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, indanthrone, isoindolinone, isoindoline, dioxazine, azo, phthalocyanine or diketopyrrolopyrrole series that is bonded to x groups B via one or more hetero atoms, those hetero atoms being selected from the group consisting of N, O and S and forming part of the radical A, each group B independently of any other(s) is hydrogen or a group of the formula  at least one group B being a group of the formula The compounds according to the invention are used in high-molecular-weight organic materials, thermo-, photo- or chemo-sensitive recording materials, light-sensitive negative or positive resist compositions, ink compositions for ink-jet printing and color tapes for thermal transfer printing.

Abstract: An electrophotographic photoreceptor is disclosed. The photoreceptor comprises pigment particles obtained by incorporating one or more metal atom into polycyclic anhydride-aromatic diamine condensation compound particles.

Abstract: Solid preparations of metal-containing or metal-free phthalocyanine dyes, a) which have an average particle size of greater than 100 &mgr;m, and b) which have a pH of greater than or equal to 10 when dissolved in 10 times the amount of water, are particularly suitable for the dyeing and printing of paper, after dissolution in water.

Abstract: The present invention provides a method for the treatment of diseases by the decomposition of peroxynitrite, preferably decomposition to benign products, comprising the use of a complex which is a selected ligand structure providing a complexed metal such as Mn, Fe, Ni and V transition metals. The method of use, as well as novel pharmaceutical compositions therefor, are for the treatment of diseases advantageously affected by decomposition of peroxynitrite ed at a rate over the natural background rate of decay of peroxynitrite in humans suffering from the disease which comprises administration of an amount of a complex, in dosage unit form, which is effective for such acceleration of the decomposition of peroxynitrite .

Abstract: The present invention relates to photochemical singlet oxygen generators useful as bleaching agents for laundry detergent compositions or in hard surface cleaning compositions and as anti-microbials. The photochemical singlet oxygen generators comprise a heavy atom unit-containing axial unit wherein the heavy atoms overlap with the &pgr; electron cloud of the photosensitizer unit and enhance the quantum efficiency of the transition of an electron from exited singlet state to triplet state.

Abstract: A method of manufacturing an organic pigment including the steps of providing an organic pigment wet cake which includes at least an organic pigment and a solvent and drying the organic pigment wet cake while the wet cake is heated at a temperature higher than room temperature to prepare a powder of the organic pigment, wherein the organic pigment is present in the organic pigment wet cake in an amount of not greater than about 70% by weight.

Abstract: A method for converting crude phthalocyanine blue from red to green by milling a dispersion of the crude phthalocyanine and an aqueous medium containing a particulate grinding aid and a surfactant grinding aid composition characterized by employing a surfactant grinding aid composition comprising an acetylenic diol surfactant of the general formulas I and II: ##STR1## where R.sup.1 and R.sup.2, which may be the same or different, are C1-C8 alkyl, R.sup.3 is hydrogen or methyl, R.sup.4 is hydrogen, methyl, ethyl, or any combination thereof, and m+n=an average value from 1 to 100.

Abstract: A process for preparing .chi.-form metal free phthalocyanine comprising: dry milling amorphous-like .alpha.-form metal free phthalocyanine to form .chi.-form metal free phthalocyanine partially; and wet milling or dispersing with stirring the resulting polymorph mixture in the presence of a cyclic organic solvent comprising an amide moiety. A simple process for preparing high-pure .chi.-form H2-Pc suitable as a charge generating meterial of an organic photoreceptor is provided, by improving the conventional technique for preparing .chi.-form H2-Pc.

Abstract: A phthalocyanine radical anion stable in ambient atmosphere, which is formed by subjecting a salt containing dihalogeno(phthalocyaninato)antimony (V) cation to a one-electron reduction. According to the present invention, a phthalocyaninc radical stable in ambient atmosphere, which is expected to be developed as an n-type organic semiconductor, is provided.

Abstract: A process for the production of a metal phthalocyanine excellent in color-related properties such as tinting strength, clearness and hue, in which no reactions of raw materials with a solvent take place and a substance harmful to human bodies such as polychlorinated biphenyl (PCB) is not formed, the process comprising heating phthalic anhydride or phthalimide, urea, metal salt and a catalyst in mixed solvents of chlorinated benzene and a linear hydrocarbon.

Abstract: A photothermal conversion material showing high sensitivity to the light of a semiconductor laser having an emission frequency band of 750 nm.about.900 nm with a high photothermal conversion efficiency and a planographic original plate fabricated by using the transducer are provided. This photothermal conversion material comprises a phthalocyanine compound of the following general formula (I) ##STR1## wherein R.sub.1 .about.R.sub.8 each represents alkyl or alkoxyalkyl; X.sub.1 .about.X.sub.8 each represents sulfur or NR.sub.9, where R.sub.9 is hydrogen or alkyl.

Abstract: Compounds of formulaA(B).sub.x (I),wherein x is an integer from 1 to 4,A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, isoindolinone, isoindoline, dioxazine, phthalocyanine, diketopyrrolopyrrole or azo series, which radical A contains x N-atoms linked with B, preferably with at least one immediately adjacent or conjugated carbonyl group.B is a group of formula ##STR1## and, if x=2, 3 or 4, can also be one, two or three hydrogen atom(s), and wherein Q is a group of formula ##STR2## These soluble chromophores can be readily converted to the corresponding pigments by heating, even in the substrate into which they can be incorporated without any difficulty in dissolved form.R.sub.1 -R.sub.9 are as defined herein.

Abstract: Fluorescence immunoassays methods are provided which use fluorescent dyes which are free of aggregation and serum binding. Such immunoassay methods are thus, particularly useful for the assay of biological fluids, such as serum, plasma, whole blood and urine.

Abstract: A broad class of photosensitive compounds having enhanced in vivo target tissue selectivity and versatility in photodynamic therapy. Many furocoumarin compounds, such as psoralens, exhibit cytostatic activity when photoactivated but exhibit little in vivo specificity for selectively accumulating in any particular target tissue such as atheromatous plaques. Reactive Oxygen Producing Photosensitizers ("ROPPs") are photoactivatable compounds having an affinity for hyperproliferating cells (such as atheromatous plaque cells), which when photoactivated, produce cytotoxic reaction products. The photoactivity of a ROPP, such as a porphyrin, may be reduced by metalating the porphyrin while the selective affinity of the metalized ROPP for hyperproliferating tissue remains substantially unchanged.

Abstract: Dyestuffs represented by the below-described formula (1), that is, dyestuffs formed of a chromophoric nucleus and a bisphenol introduced therein have excellent solubility in solvents and binder resins, and can provide color filters having excellent transmittance characteristics and durability. ##STR1## wherein Dye represents a chromophoric nucleus, X represents a direct bond or a divalent connecting group, R.sup.1 to R.sup.10 and n are defined with the provision that one of R.sup.9 and R.sup.10 has 3 or more carbon atoms.

Abstract: Phthalocyanine compounds are disclosed having a structure according to formula I as shown below: ##STR1##