| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 549464000 |
Plural ring oxygens in the bicyclo ring system
| 51 |
| 549468000 |
Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring
| 31 |
| 549467000 |
Nitrogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding
| 17 |
| 549469000 |
Benzene ring bonded directly to the hetero ring
| 8 |
| 549466000 |
Acyclic chalcogen bonded directly to the hetero ring | 4 |
| 20090030214 | Oxidation Process - Peroxo-carbonates derived from molten alkali and/or Group II metal salts, particularly carbonate salts are used as catalysts in oxidation and epoxidation reactions, transition metal compounds may be included to improve the selectivity of the reactions. | 01-29-2009 |
| 20110118486 | USE OF PARTICLE FILTERS FOR LIMITING CATALYST DEACTIVATION - The invention relates to the use of monoliths as particle filters for limiting the deactivation of catalysts during catalytic reactions in multi-tubular reactors. The invention is particularly well-suited for catalytic oxidation reactions in the gaseous phase. The invention also relates to multi-tubular reactors including monoliths as particle filters. | 05-19-2011 |
| 20110282078 | CYCLOHEXENE 1,4 -CARBOXYLATES - The present invention relates to cyclohexenes having carboxylate derivatives at the 1 and 4, and optionally the 2, position. The invention also relates to processes for preparing such compounds wherein a portion of the starting materials utilized is derived from renewable resources. | 11-17-2011 |
| 20140018553 | PROCESS FOR SYNTHESIZING KETO-BENZOFURAN DERIVATIVES | 01-16-2014 |
| 549463000 |
The two cyclos share at least three ring members (i.e., bridged) | 3 |
| 20140066637 | Method for Preparing Curable Bicyclic Compound Derived from Biomass - The present invention relates to a curable bicyclic compound derived from biomass, solvent-free curable composition and a method for preparing thereof. The curable compound derived from biomass according to the invention comprises a bicycle structure, to which one of two epoxide functional groups are bonded. | 03-06-2014 |
| 20140364631 | DIELS-ALDER REACTIONS CATALYZED BY LEWIS ACID CONTAINING SOLIDS: RENEWABLE PRODUCTION OF BIO-PLASTICS - The present disclosure is related to silica-based Lewis acid catalysts, being essentially devoid of strong Brønsted acid character, and their ability to effect the [4+2] cycloaddition and dehydrative aromatization of dienes and dienophiles containing oxygenated substituents to form substituted benzene products. In some embodiments, the processes comprise contacting biomass-derived substrates with ethylene to form terephthalic acid and its derivatives. | 12-11-2014 |
| 20150141670 | DIELS-ALDER REACTIONS CATALYZED BY LEWIS ACID CONTAINING SOLIDS: RENEWABLE PRODUCTION OF BIO-PLASTICS - The present disclosure is related to silica-based Lewis acid catalysts, being essentially devoid of strong Brønsted acid character, and their ability to effect the [4+2] cycloaddition and dehydrative aromatization of dienes and dienophiles containing oxygenated substituents to form substituted benzene products. In some embodiments, the processes comprise contacting biomass-derived substrates with ethylene to form terephthalic acid and its derivatives. | 05-21-2015 |
| 549465000 |
The bicyclo ring system consists of two five-membered cyclos | 3 |
| 20080287695 | Agent For Optical Resolution, Process For Producing Optically Active Substance and 1,5-Substituted Bicyclo [3.3.0] -2-Oxaoctane Compound - An agent for optical resolution comprising a bicyclo[3.3.0]-2-oxaoctane compound represented by the formula [1], [2] or [3] a process for producing an optically active substance comprising obtaining a mixture of diastereomers by reaction of the agent with a mixture of optically active substances having active hydrogen atom, resolving the mixture of diastereomers into each diastereomer and obtaining an (R) optically active substance or an (S) optically active substance by decomposition of the diastereomer; and compounds represented by the above formulae in which R | 11-20-2008 |
| 20090287003 | Process for the production of intermediates for making prostaglandin derivatives such as latanaprost, travaprost, and bimatoprost - The subject matter of the invention is directed to a chemical process, namely, a process for the production of an intermediate compound used to make the pharmaceutical compound such as latanoprost. | 11-19-2009 |
| 20150080589 | CRYSTALLINE HYDROCHLORIDE SALT OF DARUNAVIR - The present invention provides novel crystalline hydrochloride salt of darunavir, process for its preparation and to pharmaceutical composition comprising it. The present invention also provides novel process for preparation of darunavir amorphous form and pharmaceutical composition comprising it. | 03-19-2015 |
| 549471000 |
Plural double bonds between ring members of the hetero ring | 2 |
| 20130023678 | PROCESS FOR PREPARING SULFONAMIDOBENZOFURAN DERIVATIVES - The invention relates to a process for preparing 5-sulfonamido-benzofuran derivatives of general formula: formula (I) in which R represents an alkyl or aryl group and R | 01-24-2013 |
| 20130085284 | HAFNIUM COMPLEXES OF HETEROCYCLIC ORGANIC LIGANDS - Hafnium complexes of heterocyclic organic ligands having improved solubility in aliphatic hydrocarbon solvents and their use as components of olefin polymerization catalysts as well as novel syntheses of component parts thereof are disclosed. | 04-04-2013 |
