| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 546033000 | Heptacyclo ring system having the six-membered hetero ring as one of the cyclos | 22 |
| 546034000 | Two of the cyclos share at least three ring members (e.g., protoveratrine, etc.) | 5 |
| 546035000 | At least three ring hetero atoms in the heptacyclo ring system | 5 |
| 20090062543 | UV EXCITABLE FLUORESCENT ENERGY TRANSFER DYES - Novel energy transfer dyes which can be used with shorter wavelength light sources are provided. These dyes include a donor dye with an absorption maxima at a wavelength between about 250 to 450 nm and an acceptor dye which is capable of absorbing energy emitted from the donor dye. One of the energy transfer dyes has a donor dye which is a member of a class of dyes having a coumarin or pyrene ring structure and an acceptor dye which is capable of absorbing energy emitted from the donor dye, wherein the donor dye has an absorption maxima between about 250 and 450 nm and the acceptor dye has an emission maxima at a wavelength greater than about 500 nm. | 03-05-2009 |
| 20090292124 | Therapeutic Agent for Nausea and/or Vomiting - A therapeutic and/or prophylactic agent for nausea and/or vomiting is provided. A therapeutic and/or prophylactic agent for nausea and/or vomiting, comprising a compound of the Formula (I) or a pharmaceutically acceptable salt or solvate thereof: | 11-26-2009 |
| 20110105755 | METHOD FOR EXTRACTING AND PURIFYING BISBENZYLISOQUINOLINES - A method for purifying extracted crude d-tetrandrine by dissolving the crude d-tetrandrine powder in ethanol, treating the solution with a decolorizing agent, filtering, reducing the filtered solution under heat and vacuum, cooling the solution, filtering it and drying the filtered cake to yield substantially pure d-tetrandrine. | 05-05-2011 |
| 20130005976 | Processes and Intermediates for Preparing a Macrocyclic Protease Inhibitor of HCV - A process for preparing [(1R,2R)-4-oxo-1,2-cyclopentanedicarboxylic acid II, by the resolution of racemic 4-oxo-1,2-cyclopentanedicarboxylic acid (V), said process comprising:
| 01-03-2013 |
| 20130231483 | METHOD FOR EXTRACTING AND PURIFYING BISBENZYLISOQUINOLINES - A method for purifying extracted crude d-tetrandrine by dissolving the crude d-tetrandrine powder in ethanol, treating the solution with a decolorizing agent, filtering, reducing the filtered solution under heat and vacuum, cooling the solution, filtering it and drying the filtered cake to yield substantially pure d-tetrandrine. | 09-05-2013 |
| 546036000 | Plural ring hetero atoms in the heptacyclo ring system | 17 |
| 546037000 | Ring carbon is shared by three of the cyclos (e.g., perylene tetracarboxylic acid diimide, etc.) | 17 |
| 20080249309 | 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. | 10-09-2008 |
| 20080287678 | Multiple Chromophores Based on Rylene - A rylene-based polychromophore of the general formula I | 11-20-2008 |
| 20090176985 | METHOD FOR CONVERTING PERYLEN-3,4:9,10-TETRACARBOXYLIC ACID DIIMIDES INTO A FORM SUITABLE FOR USE AS A FLUORESCENT DYE - A process for converting perylene-3,4:9,10-tetracarboximides of the general formula I | 07-09-2009 |
| 20100063288 | PREPARATION OF PIGMENT RED 149 - The invention provides a process for preparing N,N′-di(3′,5′-dimethylphenyl) perylenebis(dicarboximide) by reaction of perylene-3,4,9,10-tetracarboxylic dianhydride with 3,5-dimethylaniline in the presence of a secondary or tertiary amine as catalyst, which comprises effecting the reaction in an aqueous reaction medium and in the presence of added seed crystals of N,N′-di(3′,5′-dimethylphenyl) perylenebis(dicarboximide). | 03-11-2010 |
| 20100204475 | N-Type Semiconductors and Related Devices - Mono- and diimide perylene and naphthalene compounds, N- and/or core-substituted with electron-withdrawing groups, for use in the fabrication of various device structures. | 08-12-2010 |
| 20100280246 | ENERGY TRANSFER DYES WITH ENHANCED FLUORESCENCE - Novel linkers for linking a donor dye to an acceptor dye in an energy transfer fluorescent dye are provided. These linkers facilitate the efficient transfer of energy between a donor and acceptor dye in an energy transfer dye. One of these linkers for linking a donor dye to an acceptor dye in an energy transfer fluorescent dye has the general structure R | 11-04-2010 |
| 20100324293 | Monofunctionalized Perylenetetracarboxylic Acid Bismides - The invention relates to novel perylenetetracarboxylic acid bisimide derivatives with improved performance properties. | 12-23-2010 |
| 20110130566 | Perylene tetracarboximide derivatives for photovoltaic devices - The compounds of the present invention are represented by the following formula (I): | 06-02-2011 |
| 20120116084 | N-TYPE ORGANIC SEMICONDUCTORS INCLUDING AT LEAST TWO 2-DICYANOMETHYLENE-3-CYANO-2,5-DIHYDROFURAN GROUPS - The invention relates to a method for manufacturing transistors. Said method involves using a molecule including at least two 2-dicyanomethylene-3-cyano-2,5-dihydrofuran groups. The invention can be implemented in particular in the field of electronics. | 05-10-2012 |
| 20120289703 | HALOGENATED PERYLENE-BASED SEMICONDUCTING MATERIALS - The present invention provides a compound of formula | 11-15-2012 |
| 20130096309 | NOVEL RHODAMINE DYES AND CONJUGATES - The present invention relates generally to novel rhodamine dyes which upon conjugation with another molecule form single isomeric conjugation products. These novel rhodamine dyes contain only one single functional group on the rhodomine molecule for conjugation so that their conjugation products are single isomeric conjugation products. | 04-18-2013 |
| 20130211088 | FLUORINATED PERYLENE-BASED SEMICONDUCTING MATERIALS - The present invention provides a compound of formula | 08-15-2013 |
| 20130289279 | THIOCYANATO OR ISOTHIOCYANATO SUBSTITUTED NAPHTHALENE DIIMIDE AND RYLENE DIIMIDE COMPOUNDS AND THEIR USE AS N-TYPE SEMICONDUCTORS - Disclosed are thiocyanato or isothiocyanato substituted naphthalene diimide and rylene diimide compounds according to formula (I), use of these compounds as n-type semiconductors, methods of preparing these compounds, as well as various compositions, composites, and devices that incorporate these compounds. | 10-31-2013 |
| 20130303769 | SEPARATION OF NANOPARTICLES - This invention is directed to separation, optimization and purification of nano-materials using self-assembled perylene diimide membranes, wherein said perylene diimide membrane is recyclable. | 11-14-2013 |
| 20140243531 | SUPERSTRUCTURES OF DIKETOPYRROLOPYRROLE DONORS AND PERYLENEDIIMIDE ACCEPTORS FORMED BY HYDROGEN-BONDING AND PI...PI STACKING - A quantitative model that describes the assembly of diketopyrrolopyrrole-based donors and a perylenediimide acceptor into chiral superstructures, as a result of both hydrogen bonding and π•••π stacking. This model provides thermodynamic parameters (ΔH° and ΔS°) for all noncovalent interactions involved in the assembly and explains the subtle supramolecular cues that convert disordered aggregates into well-defined helical assemblies. | 08-28-2014 |
| 20140256946 | NOVEL RHODAMINE DYES AND CONJUGATES - The present invention relates generally to novel rhodamine dyes which upon conjugation with another molecule form single isomeric conjugation products. These novel rhodamine dyes contain only one single functional group on the rhodomine molecule for conjugation so that their conjugation products are single isomeric conjugation products. | 09-11-2014 |
| 20140275545 | 8-CARBOXAMIDO-2,6-METHANO-3-BENZAZOCINES - 8-Substituted-2,6-methano-3-benzazocines of general structure I in which A is —CH | 09-18-2014 |
