| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 548439000 |
The five-membered hetero ring shares ring carbons with two carbocyclic rings (e.g., tetrahydrocarbazoles, etc.)
| 64 |
| 548429000 |
Plural ring hetero atoms in the tricyclo ring system
| 20 |
| 548434000 |
Two of the cyclos share at least three ring members (i.e., bridged) | 4 |
| 20100204485 | POLYACETYLINIC OLIGOMERS - Polyacetylinic oligomers suitable for high-temperature polymer-matrix composites are provided. The polyacetylinic oligomers have the formula: | 08-12-2010 |
| 20110112306 | Novel Sulfonic Acid Salt and Derivative thereof, Photo-Acid Generator, and Process for Production of Sulfonic Acid Salt - A fluorine-containing sulfonic acid salt or a compound having a fluorine-containing sulfonic acid group, either of which having a structure represented by the following general formula (1), is provided. Such a salt or compound can act as a suitable photo-acid generator, and can form a resist pattern having excellent sensitivity, resolution and mask-dependence. | 05-12-2011 |
| 20120165547 | SUPPORTS FOR OLIGOMER SYNTHESIS - Universal linkers, their facile processes of manufacture and methods of using the same are provided. | 06-28-2012 |
| 20120071667 | ACRYLATE DERIVATIVES, ALCOHOL DERIVATIVES, AND METHOD FOR PRODUCING THEM - Provided are an acrylate derivative useful as a raw material of a polymer compound for resist compositions capable of giving resist patterns which are excellent in lithographic performance and have a good shape, an intermediate thereof (alcohol derivative) and production processes for them. To be specific, it is an acrylate derivative represented by a formula shown below: | 03-22-2012 |
| 548450000 |
Chalcogen bonded directly to ring carbon of the five-membered hetero ring (e.g., indigoid dyes, etc.) | 2 |
| 20090082577 | FLUORESCENT PROBES FOR BIOLOGICAL STUDIES - The present invention provides fluorescent compounds of formula (I) | 03-26-2009 |
| 20150336938 | METHOD FOR PREPARATION OF JUSTICIDIN A DERIVATIVES OF ARYLNAPHTHALENE LIGNAN STRUCTURE - The present disclosure relates to a novel method for preparing an arylnaphthalene lignan compound. In synthesis of arylnaphthalene lignan compounds and derivatives according to the present disclosure, a naphthalene backbone may be constructed first and an aryl group may be introduced at the final stage. Through this, various kinds of derivatives that could not be prepared from the existing methods can be synthesized effectively. Further, the synthesis method according to the present disclosure is appropriate for large-scale production. | 11-26-2015 |
| 548436000 |
A ring carbon is shared by three of the cyclos (e.g., peri-fused, etc.) | 1 |
| 20110152538 | OPTICAL FILTER - An optical filter containing at least one naphtholactam derivative represented by general formula (I), wherein X is oxygen or sulfur; R | 06-23-2011 |
| Entries |
| Document | Title | Date |
|---|
| 20090043108 | METHOD OF PREPARING SULTINES - A method of preparing a sultine of formula (V) from a dihalogeno compound of formula (IV) is provided. | 02-12-2009 |
| 20090069573 | Method for the purification of betaines - The invention relates to a method for purification of synthetically-produced compounds, comprising a betaine structure in the molecule, for example, indocyan green, characterized in that reaction by-products, starting materials and/or other impurities such as NaI used during production are separated by extraction. | 03-12-2009 |
| 20090149660 | OPTICAL RECORDING MATERIAL AND OPTICAL RECORDING MEDIA - An optical recording medium provided with a recording layer that comprises a cation represented by the following general formula (1) and a chelate compound of an azo compound represented by the following general formula (2) and a metal. | 06-11-2009 |
| 20100197937 | NOVEL COMPOUND, PROBE CONTAINING THE NOVEL COMPOUND, AND FLUORESCENCE-IMAGING CONTRAST AGENT CONTAINING THE NOVEL COMPOUND OR THE PROBE - A compound represented by Formula (1) below, | 08-05-2010 |
| 20120077986 | NOVEL PREPARATION OF ANTICANCER-ACTIVE TRICYCLIC COMPOUNDS VIA ALKYNE COUPLING REACTION - The present invention is directed to provide a novel preparation of anticancer-active tricyclic compounds via alkyne coupling reaction. The present invention provides a process for preparing a compound of formula (Ia) or (Ib): | 03-29-2012 |
| 20130060046 | TRIMETHINE CYANINE AND ITS USE - The present invention relates to a trimethine cyanine represented by the formula (1): | 03-07-2013 |
| 20130131354 | Naphthocyanines for Use as Contrast Agents - Cyanine dyes having optional sulfonic acid substituents on the aromatic nucleus have been developed for use as contrast agents for assisting in surgery and diagnosis, especially for simplifying the surgical removal of basal membranes of the eye, such as the internal limiting membrane (ILM), and for dyeing the lens capsule. | 05-23-2013 |
| 20140323741 | DYES FOR LABELLING MOLECULAR LIGANDS - Cyanine dyes with improved fluorescence intensity and photostability. | 10-30-2014 |
| 20150073154 | Discrete PEG Based Dyes - Disclosed are discrete PEGylated dyes, that is, dyes, generally ones that are fluorescent, but could also include chemi-luminescent or electrochemiluminescent and related dye or dye precursors, that have discrete PEG constructs chemically attached in various configurations on the dye, and in the entire range of constructs, discrete PEG compounds (polyethylene glycol oligomers that are made synthetically according to methods disclosed in U.S. Pat. No. 7,888,536 and US Pub. No. 2013/0052130). The dyes are modified in a range of ways to control or optimize the properties of water solubility, non-specific binding (in vitro), biodistribution (in vivo), cell internalization (non-cell or cell based assays in vitro, and in vivo diagnostics and therapy), as well as aggregation. | 03-12-2015 |
| 20150126749 | METHOD FOR PRODUCING CONTRAST AGENT - A method for producing a contrast agent includes the reaction step of allowing a cyanine dye containing a naphthyl group and a carboxyl or carboxylate group to react with a polyethylene glycol containing an amino group in an organic solvent to form a conjugate, and the purification step of purifying the conjugate using an organic solvent. | 05-07-2015 |
