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| Number | Title | Issue Date |
| 8119802 | Fluorinated dyes and their use in electrophoretic display devices This invention relates to process for preparing fluorinated dyes selected from the group consisting of compounds of the general formulae (I) and (III) and mixtures thereof by reacting the corresponding compounds which do not have R12 or R30 as ... | 02/21/2012 |
| 8022214 | Organic semiconductor materials and precursors thereof The present teachings provide novel organic semiconductor compounds and their soluble precursors, methods for preparing these compounds and precursors, as well as compositions, materials, articles, structures, and devices that incorporate such compounds. ... | 09/20/2011 |
| 7947837 | Organic semiconductor materials and methods of preparing and use thereof Solution-processable organic n-type semiconductor materials are provided with processes for preparing the same. Composites and electronic devices including the organic n-type semiconductor materials also are provided. ... | 05/24/2011 |
| 7910736 | Method for producing organic field-effect transistors A method for producing an organic field-effect transistor, comprising the steps of: a) providing a substrate comprising a gate structure, a source electrode and a drain electrode located on the substrate, and b) applying an n-type organic s... | 03/22/2011 |
| 7902363 | Diimide-based semiconductor materials and methods of preparing and using the same Diimide-based semiconductor materials are provided with processes for preparing the same. Composites and electronic devices including the diimide-based semiconductor materials also are provided. ... | 03/08/2011 |
| 7893265 | Methods for preparing arene-BIS (dicarboximide)-based semiconducting materials and related intermediates for preparing same The present teachings provide compounds of formulae I and II: where Q, Ra, R1, W, and n are as defined herein. The present teachings also provide methods of preparing compounds... | 02/22/2011 |
| 7851628 | Conversion of perylene-3,4:9,10-tetracarboximides to a form suitable for use as fluorescent dyes A process for converting perylene-3,4:9,10-tetracarboximides of the general formula I in which R1 and R2 are each unbranched, branched or cyclic C1-C8-alkyl to a form suitable for... | 12/14/2010 |
| 7807836 | Preparation of perylen-3,4:9,10-tetracarboxylic dianhydride and also of naphtalene-1,8-dicarboximides A process for preparing perylene-3,4:9,10-tetracarboxylic dianhydride, comprising: dimerizing a naphthalene-1,8-dicarboximide of the formula IIa; reoxidizing the resulting alkali metal salt of the leuco form of the perylene... | 10/05/2010 |
| 7799919 | Water-soluble, fluorescent perylenetetracarboxylic acid bisimides The invention relates to novel perylenetetracarboxdiimide derivatives with improved performance properties. ... | 09/21/2010 |
| 7795432 | Monofunctionalized perylenetetracarboxylic acid bisimides The invention relates to novel perylenetetracarboxylic acid bisimide derivatives with improved performance properties. ... | 09/14/2010 |
| 7754881 | Aromatic imide-based dispersant for carbon nanotubes and carbon nanotube composition comprising the same Disclosed herein are an aromatic imide-based dispersant for CNTs and a carbon nanotube composition comprising the same. Having an aromatic ring structure advantageously realizing adsorption on carbon nanotubes, the dispersant, even if used in a small amount, can dis... | 07/13/2010 |
| 7671202 | Perylene n-type semiconductors and related devices Mono- and diimide perylene and naphthalene compounds, N- and core-substituted with electron-withdrawing groups, for use in the fabrication of various device structures. ... | 03/02/2010 |
| 7393956 | Method for the production of perylen-3,4:9,10-tetracarboxylic acid diimides and perylen-3,4:9,10-tetracarboxylic acid dianhydride and naphtalene-1,8-dicarboxylimides A process for preparing perylene-3,4:9,10-tetracarboxylic diimides of the general formula I comprising dimerizing a naphthalene-1,8-dicarboximide of the formula II ... | 07/01/2008 |
| 7311953 | Colored composition for color filter and display using color filters formed of the colored composition An object of the present invention is to obtain color filters having a high contrast, a high color purity and an improved transmittance for blue color, and a display using the color filters. In the present invention, there is used a colored composition for color fil... | 12/25/2007 |
| 7282575 | Functional peptide nucleic acid monomer and process for producing the same A compound represented by the general formula (I) below: In the formula, A is as defined in the specification and B denotes where n is an integer of 1 to 4, ... | 10/16/2007 |
| 7232829 | Therapeutic compounds and methods The invention provides kappa receptor agonists of formula (I) and delta receptor antagonists of formula (II), wherein R1–R6 X and n have any of the meanings given in the specification, as well as compositions comprising them, methods for thei... | 06/19/2007 |
| 7214259 | Inks containing water-soluble perylene dyes and their use in ink-jet printing An ink comprising a liquid medium and a colorant, wherein the liquid medium comprises water and a water-miscible organic solvent and the colorant is of Formula (1), wherein the colorant is dissolved in the liquid medium: Formula (1) wherein: each independently is a ... | 05/08/2007 |
| 7198977 | N,N′-di(phenylalky)-substituted perylene-based tetracarboxylic diimide compounds as n-type semiconductor materials for thin film transistors A thin film transistor comprises a layer of organic semiconductor material comprising a tetracarboxylic diimide 3,4,9,10-perylene-based compound having, attached to each of the imide nitrogen atoms a substituted or unsubsitituted phenylalkyl group. Such transistors ... | 04/03/2007 |
| 7160380 | Organic pigment fine-particle, and method of producing the same A method of producing a fine particle of an organic pigment, containing the steps of: flowing a solution of an organic pigment dissolved in an alkaline or acidic aqueous medium, through a channel which provides a laminar flow; and changing a pH of the solution in th... | 01/09/2007 |
| 7105674 | Perylene-derivative based crystallization modifiers Perylene derivatives of the general formula I where X and Y are independently oxygen, —NR1 or —NR2; R1 and R2 are independently hydrogen, ... | 09/12/2006 |
| 7105046 | Black perylene pigment and process for producing the same A black perylene-based pigment produced by calcining at least one compound selected from the group consisting of diimide derivatives of perylene tetracarboxylic acid and diimide derivatives of perylene diiminodicarboxylic acid, at a temperature of 200 to 600° C. in... | 09/12/2006 |
| 7083675 | Black perylene-based pigment and process for producing the same A black perylene-based pigment comprising a solid solution obtained by calcining a mixture of at least two compounds selected from the group consisting of anhydrides of perylene tetracarboxylic acid, diimide derivatives of perylene tetracarboxylic acid and diimide d... | 08/01/2006 |
| 7056378 | Method for producing vattable organic pigments The invention relates to a method for producing vattable organic pigments. The invention is characterized in that an agueous or an aqueous-organic suspension of a coarse crystalline raw mineral is vatted and re-oxidised, and the pigment suspension is ground to a dia... | 06/06/2006 |
| 6997983 | Perylene pigment composition and process therefor A process for the manufacture of a pigments form of perylene-3,4,9,10-tetracarboxylic acid N,N′-bis-methylimide having a transparent clean yellowish shade, comprises comminution of a mixture comprising perylene-3,4,9,10-tetracarboxylic acid N,N′-bis-methylimide ... | 02/14/2006 |
| 6986811 | Perylene derivatives and their application as dispersants The present invention relates to substituted perylene derivatives in which the substituent has a sterically stabilizing and/or electrostatically stabilizing effect. The perylene derivatives of the invention are particularly suitable as pigment dispersants. The prese... | 01/17/2006 |
| 6918958 | Acid pigment dispersants and pigment preparations The invention relates to pigment dispersants of the formula (I), and to pigment preparations including at least one organic pigment and at least one pigment disperant of the formula (I): wherein Q1, R1 | 07/19/2005 |
| 6916982 | Synthesis of perylene-porphyrin building blocks and polymers thereof for the production of light-harvesting arrays The present invention provides methods, compounds, and compositions for the synthesis of light harvesting arrays, such arrays comprising: (a) a first substrate comprising a first electrode; and (b) a layer of light harvesting rods electrically coupled to said first ... | 07/12/2005 |
| 6916928 | Functionalized perylene tetracarboxylic acid diimides The present invention relates to the use of functionalized perylene-3,4,9,10-tetracarboxylic acid diimides as initiator and/or co-reactant for polymerization reactions, to polymers prepared using the perylene-3,4,9,10-tetracarboxylic acid diimide compounds, to the u... | 07/12/2005 |
| 6913642 | Pigments having improved coloristic properties and process for their preparation Substantially crystalline organic pigments characterized by small particle size and narrow particle size distribution. ... | 07/05/2005 |
| 6852548 | Benzothiazole dioxetanes Chemiluminescent 1,2-dioxetane compounds capable of producing light energy when decomposed, substantially stable at room temperature, represented by the formulas I or II: wherein T is: | 02/08/2005 |
| 6806368 | Liquid crystalline 3,4:9,10-perylenetetacarbocylic acid diimides Perylene-3,4:9,10-tetracarboxylic diimides of the general formula I where R1, R2, R3 and R4 are independently hydrogen, chlorine, bromine o... | 10/19/2004 |
| 6737280 | Amidopyrylium fluorescence dyes A class of asymmetric monobenzoxanthene compounds useful as fluorescent dyes are disclosed having structure (I) wherein Y1 and Y2 are individually hydroxyl, amino, imminium, or oxygen, R1-R8 are hydrogen, fluorine, chlorin... | 05/18/2004 |
| 6689887 | Inhibition of human telomerase by a G-quadruplex-interaction compound Certain non-nucleoside compounds that will selectively inhibit telomerase by targeting the nucleic add structures, such as G-quadruplexes, that may be associated with human telomeres or telomerase have been identified. Inhibition of human telomerase by tw... | 02/10/2004 |
| 6656651 | Photoconductive members A component containing a supporting substrate, and thereover a layer comprised of a alkylimido-monobenzamidazole-perinone-perylene or a bisalkylimido-perinone-perylene of the alternative following formulas ##STR1## wherein each of R1, R2 | 12/02/2003 |
| 6646126 | Process for preparing perylene-3,4,9,10-tetracarboxylic diimide in transparent pigment form The present invention provides a process for preparing transparent perylimide pigments of the formula (I): ##STR1## in which u is a number from 0 to 8 and, if u>0, E is a chlorine or bromine atom and, where u>1, may be a combination thereof, which... | 11/11/2003 |
| 6623930 | Inhibition of human telomerase by a G-quadruplex-interaction compound Certain non-nucleoside compounds that will selectively inhibit telomerase by targeting the nucleic add structures, such as G-quadruplexes, that may be associated with human telomeres or telomerase have been identified. Inhibition of human telomerase by tw... | 09/23/2003 |
| 6566522 | Dyes for recording layer of the high density optical recording disc The present invention provides a rhodamine dye for recording layer of the high density optical recording disc, which has a chemical structure as shown in (I): ##STR1## where X- represents an acid anion and R represents a benzoic acid group... | 05/20/2003 |
| 6562121 | Conditioning of organic pigments Organic pigments are conditioned by introducing a liquid prepigment suspension into a miniaturized continuous reactor and thermally treating therein.... | 05/13/2003 |
| 6562632 | Reactive derivatives of sulforhodamine 101 with enhanced hydrolytic stability The invention describes reactive dyes having an alkyl spacer attached via a sulfonamide bond to a sulforhodamine 101 fluorophore, and a variety of useful conjugates prepared therefrom. The increased length of the covalent linkage due to the alkyl spacer r... | 05/13/2003 |
| 6559306 | Dye compounds This invention relates to new fluorescent or non-fluorescent dye compounds having a terminal hydroxy, carboxylic acid/ester or amino group and a process for their preparation. The new fluorescent or non-fluorescent dye compounds are useful as colorants fo... | 05/06/2003 |
