| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 540492000 |
Plural nitrogens in the hetero ring
| 52 |
| 540519000 |
Polycyclo ring system which contains the hetero ring as one of the cyclos
| 34 |
| 540488000 |
Chalcogen in the hetero ring
| 14 |
| 540534000 |
Preparing from a compound containing a cycloaliphatic ring
| 11 |
| 540540000 |
Purification or recovery
| 6 |
| 540532000 |
Preparing from a compound containing a hetero ring
| 6 |
| 540527000 |
Nitrogen bonded directly to the hetero ring | 5 |
| 20090124799 | Process for the preparation of Caprolactam Cgrp Antagonist - An efficient syntheses for the preparation of (3R,6S)-3-amino-6-(2,3-difluorophenyl)-1-(2,2,2-trifluoroethyl)azepan-2-one. | 05-14-2009 |
| 20110190488 | Methods of Making Cyclic Amide Monomers and Related Derivatives - The present invention relates to methods of making a cyclic amide. The methods include the step of heating a fermentation broth in a manner effective to produce a cyclic amide, wherein the fermentation broth includes an amino acid or salt thereof. The cyclic amide monomers can be polymerized in a manner effective to form a polyamide. One advantage of the present invention is that lysine and/or salt thereof can be heated to form α-amino-ε-caprolactam while the lysine is still in the fermentation broth. The lysine and/or salt thereof do not need to be purified from the fermentation broth prior to being heated to form α-amino-ε-caprolactam. For example, the fermentation broth does not need to be subjected to an ion exchange process prior to being heated to form α-amino-ε-caprolactam. Avoiding such an ion exchange process can substantially reduce manufacturing costs. | 08-04-2011 |
| 20130211071 | METHOD FOR MAKING ALPHA-AMINO-EPSILON-CAPROLACTAM USING MIXED SUPER CRITICAL FLUIDS - The present invention can involve a method of synthesizing α-amino-ε-caprolactam. The method can comprise heating a salt of L-lysine in a solvent comprising an alcohol under Super Critical Fluid conditions. The methods can comprise heating a salt of L-lysine in a solvent comprising an alcohol and deaminating the reaction product. In various embodiments, the invention can include methods of converting biomass into nylon 6. The methods can comprise heating L-lysine in a solvent comprising an alcohol to produce α-amino-ε-caprolactam, deaminating to produce ε-caprolactam and polymerizing into nylon 6, wherein the L-lysine is derived from biomass. In other embodiments, the present invention can include methods of making nylon 6. The methods can comprise synthesizing ε-caprolactam and then polymerizing, wherein the ε-caprolactam is derived from L-lysine. | 08-15-2013 |
| 20090137797 | Organic Compounds - A process for preparing compounds of formula (I) or a solvate or hydrate thereof, where R, R | 05-28-2009 |
| 20110282053 | Organic Compounds - A process for preparing compounds of formula I | 11-17-2011 |
| 540524000 |
Additional hetero ring containing | 5 |
| 20090093628 | Process for Production of Amides or Lactams - An amide or lactam is produced by conducting a rearrangement of a corresponding oxime compound in the presence of a cyclic compound containing a structure represented by following Formula (1) as a ring constituent and a fluorinated alcohol: | 04-09-2009 |
| 20090281306 | Process for the Preparation of Cgrp Antagonist - An efficient synthesis for the preparation of N-[(3R,6S)-6-(2,3-difluorophenyl)-2-oxo-1-(2,2,2-trifluoroethyl)azepan-3-yl]-4-(2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-1-yl)piperidine-1-carboxamide, by coupling (3R,6S)-3-amino-6-(2,3-difluorophenyl)-1-(2,2,2-trifluoroethyl)azepan-2-one and 2-oxo-1-(4-piperidinyl)-2,3-dihydro-1H-imidazo[4,5-b]pyridine dihydrochloride with 1,1′-carbonyldiimidazole (“CDI”) as carbonyl source; and an efficient preparation of the potassium salt of N-[(3R,6S)-6-(2,3-difluorophenyl)-2-oxo-1-(2,2,2-trifluoroethyl)azepan-3-yl]-4-(2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-1-yl)piperidine-1-carboxamide. | 11-12-2009 |
| 20100121048 | Cyclic Amine Compound and Use Thereof for the Prophylaxis or Treatment of Hypertension - The present invention relates to a compound represented by the formula: (I) wherein ring A is a 5- or 6-membered aromatic heterocycle optionally having substituent (s); U, V and W are each independently C or N, provided that when any one of U, V and W is N, then the others should be C; Ra and Rb are each independently a cyclic group optionally having substituent(s), a C | 05-13-2010 |
| 20100160629 | CYCLIC AMIDE DERIVATIVE, AND ITS PRODUCTION AND USE - The present invention provides a cyclic amide derivative useful as a drug for treating thrombosis, which is represented by the formula (I): | 06-24-2010 |
| 20110172414 | ISOXAZOLINE COMPOUND AND PESTICIDE - A pesticide, particularly an insecticide or an acaricide, including a substituted isoxazoline compound of formula (1) or a salt thereof: | 07-14-2011 |
| 540529000 |
Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring | 3 |
| 20120277423 | PROTEIN CROSSLINKING INHIBITOR AND USE OF THE SAME - The present invention relates to: a ketone compound having transglutaminase-inhibiting activity, which is represented by the following Formula 1, 2, or 3: | 11-01-2012 |
| 20130012701 | QUATERNARY HETEROATOM CONTAINING COMPOUNDS - A compound useful as a building block for the manufacture of various compounds is represented by Formula A or D. | 01-10-2013 |
| 20130267699 | QUATERNARY HETEROATOM CONTAINING COMPOUNDS - The invention provides heterocyclic compounds with quaternary centers and methods of preparing compounds. Methods include the method for the preparation of a compound of Formula (II): | 10-10-2013 |
| 540487000 |
Silicon or phosphorus attached directly or indirectly to the hetero ring by nonionic bonding | 2 |
| 20100280239 | POLYMERIZATION INITIATORS FOR FIBER-REINFORCED POLYMER COMPOSITES AND MATERIALS MADE FROM THE COMPOSITES - Coupling-initiator compounds are described that include a silicon-containing coupling moiety and at least one polymerization initiator moiety. The coupling moiety may be linked to the at least one polymerization initiator moiety by at least one linking moiety. The coupling moiety is capable of coupling the compound to a substrate, while the one or more polymerization initiator moieties are capable of initiating a polymerization of a monomer under polymerization conditions. The coupling-initiator compounds may be included in fiber reinforced polymer composites, where the compounds are coupled to the fibers in the composites and participate in the polymerization of the surrounding polymer. | 11-04-2010 |
| 20140275522 | SYNTHESIS METHOD AND INTERMEDIATES USEFUL IN THE PREPARATION OF PYRROLOBENZODIAZEPINES - A compound of formula I wherein: R | 09-18-2014 |
| 540531000 |
Chalcogen or nitrogen attached indirectly to the hetero ring by nonionic bonding | 2 |
| 20160031790 | METHOD OF MANUFACTURE OF OCTANEDIOIC ACID, PRECURSORS, AND DERIVATIVES - A method for the manufacture of 1,8-octanedioic acid comprises: reacting gamma-valerolactone with an alcohol in the presence of an acid or a base catalyst to provide an alkyl pentenoate, converting the alkyl pentenoate in the presence of a metathesis initiator to provide the dialkyl octenedioate, reacting the dialkyl octenedioate with hydrogen in the presence of a hydrogenation catalyst to provide a dialkyl 1,8-octanedioate and hydrolyzing the dialkyl 1,8-octanedioate to provide the 1,8-octanedioic acid. | 02-04-2016 |
| 20160200858 | BLOCKED ISOCYANATE, COATING COMPOSITION, ADHESIVE COMPOSITION, AND ARTICLE | 07-14-2016 |
| Entries |
| Document | Title | Date |
|---|
| 20080249300 | Coammoxidation of Ketones - The invention relates to a method for the coammoxidation, i.e. for the simultaneous ammoxidation of ketones, especially of cyclic ketones such as cyclododecanone and cyclohexanone. The ammoxidatian method of the invention relates to the production of oximes from ketones or aldehydes using hydrogen peroxide and amnmonia and further using a catalyst that substantially consists of silicon, titanium and oxygen, such as for example titanium silicalite. | 10-09-2008 |
| 20110144328 | METHOD FOR PREPARING TITANIUM-SILICALITE MOLECULAR SIEVE AND METHOD FOR PREPARING CYCLOHEXANONE OXIME USING TITANIUM-SILICALITE MOLECULAR SIEVE - The present invention provides a method for preparing large particles of titanium-silicalite molecular sieves. The method of the present invention includes the steps of preparing a dispersion solution of a primary crystalline molecular sieve; forming an aggregated particle solution by adding a flocculating agent and a coagulating agent into the dispersion solution; mixing the aggregated particle solution with a synthesis gel to form a mixture; and heat-treating the mixture. The average diameter of the titanium-silicalite molecular sieves in the present invention is more than 5 μm. In the preparation of cyclohexanone oxime using the molecular sieve of the present invention as the catalyst, the selectivity and conversion rate of cyclohexanone oxime are high, the usage of hydrogen peroxide is enhanced, and the catalyst is easy to be recovered. | 06-16-2011 |
| 20110257390 | AMMOXIMATION PROCESS - A redox ammoximation process in which a ketone or aldehyde is reacted with ammonia and oxygen in the presence of a catalyst, wherein: the catalyst is an aluminophosphate based redox catalyst having the qualitative general formula (I) M | 10-20-2011 |
| 20120095212 | PROCESS FOR PREPARING LACTAMS - A method for preparing lactams by cyclizing hydrolysis of a corresponding aminonitrile is described. A method for manufacturing a lactam by reacting an aminonitrile with water in the presence of a catalyst involving placing the water and the aminonitrile in contact in vapor phase, passing the mixture of vapors through a bed of catalyst arranged in at least one tube forming a reaction chamber and recovering the lactam at the outlet of the tube is also described. | 04-19-2012 |
| 20130012699 | AMIDIUM-BASED IONIC LIQUIDS FOR CARBON DIOXIDE ABSORPTION - The present invention relates to a carbon dioxide absorbent, an ionic liquid obtained by reacting amide and an organic acid and a method of using the same. The amidium-based ionic liquid of the present invention has excellent CO | 01-10-2013 |
| 20130158255 | WATER CONCENTRATION REDUCTION PROCESS - The present disclosure relates generally to water concentration reduction processes within an adipic acid process. The present invention also includes process for converting a glucose-containing feed derived from a carbohydrate source to an adipic acid product wherein the process includes the steps of: converting glucose in the feed to a reaction product including a hydrodeoxygenation substrate and a first concentration of water; reducing the concentration of water in the reaction product to produce a feedstock including the hydrodeoxygenation substrate and second concentration of water, wherein the second concentration of water is less than the first concentration of water; and converting at least a portion of the hydrodeoxygenation substrate in the feedstock to an adipic acid product. Processes are also disclosed for producing hexamethylene diamine and caprolactam from the adipic acid product. | 06-20-2013 |
| 20140058083 | ORGANIC OXYGENATE REMOVAL AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes removing at least a portion of organic oxygenates from a hydrocarbon stream. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process. The method according to certain aspects includes controlling the level of organic oxygenates in the hydrocarbon stream. | 02-27-2014 |
| 20140058084 | MERCURY REMOVAL AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes removing at least a portion of mercury from a hydrocarbon stream. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process. The method according to certain aspects includes controlling the level of mercury and mercury containing compounds in the hydrocarbon stream. | 02-27-2014 |
| 20140058085 | WATER REMOVAL AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes removing at least a portion of water from a hydrocarbon stream. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process. The method according to certain aspects includes controlling the level of water in the hydrocarbon stream. | 02-27-2014 |
| 20140058086 | CARBON DIOXIDE ABSORPTION AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes removing at least a portion of carbon dioxide from a hydrocarbon stream. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process. The method according to certain aspects includes controlling the level of carbon dioxide in the hydrocarbon stream by contacting a stream with a physical or a chemical solvent. | 02-27-2014 |
| 20140058087 | CARBON DIOXIDE ADSORPTION AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes removing at least a portion of carbon dioxide from a hydrocarbon stream. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process. The method according to certain aspects includes controlling the level of oxygen in the hydrocarbon stream. | 02-27-2014 |
| 20140058088 | HYDRIDE REMOVAL AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes removing at least a portion of hydrides of arsenic, phosphorus, antimony, silicon, and boron from a hydrocarbon stream. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process. The method according to certain aspects includes controlling the level of hydrides of arsenic, phosphorus, antimony, silicon, and boron in the hydrocarbon stream. | 02-27-2014 |
| 20140058089 | SULFUR REMOVAL AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes removing at least a portion of sulfur containing compounds from a hydrocarbon stream. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process. The method according to certain aspects includes controlling the level of sulfur containing compounds in the hydrocarbon stream. | 02-27-2014 |
| 20140058090 | GLYCOLS REMOVAL AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes removing at least a portion of glycols from a hydrocarbon stream. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process. The method according to certain aspects includes controlling the level of glycols and in particular, dimethyl ethers of polyethylene glycol in the hydrocarbon stream. | 02-27-2014 |
| 20140058091 | MERCURY COMPOUND REMOVAL AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes removing at least a portion of mercury containing compounds from a hydrocarbon stream. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process. The method according to certain aspects includes controlling the level of organic, ionic or suspended mercury compounds by first converting these compounds to elemental mercury or to inorganic mercury compounds and then removing them by use of an adsorbent bed. | 02-27-2014 |
| 20140058092 | CARBON MONOXIDE METHANATION AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes removing at least a portion of carbon monoxide from a hydrocarbon stream. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process. The method according to certain aspects includes controlling the level of carbon monoxide in the hydrocarbon stream. | 02-27-2014 |
| 20140058093 | REMOVAL OF SOLIDS AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes removing at least a portion of solids from a hydrocarbon stream. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process. The method according to certain aspects includes controlling the level of inorganic and organic solids in the hydrocarbon stream by use of adsorbent beds, filters, cyclone or gravity separators. | 02-27-2014 |
| 20140058094 | HEAVY HYDROCARBON REMOVAL AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes removing at least a portion of heavy hydrocarbon compounds including C | 02-27-2014 |
| 20140058095 | FLUID SEPARATION ASSEMBLY TO REMOVE CONDENSABLE CONTAMINANTS AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR - Methods and systems are provided for converting methane in a feed stream to acetylene. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process. The method according to certain aspects includes controlling the level of water, carbon dioxide and other condensable contaminants in the hydrocarbon stream by use of a fluid separation assembly such as a supersonic inertia separator. In addition, one or more adsorbent beds may be used to remove remaining trace amounts of condensable contaminants. The fluid separation assembly has a cyclonic fluid separator with a tubular throat portion arranged between a converging fluid inlet section and a diverging fluid outlet section and a swirl creating device. | 02-27-2014 |
| 20140058096 | HEAVY METALS REMOVAL AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes removing at least a portion of heavy metals from a hydrocarbon stream. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process. The method according to certain aspects includes controlling the level of heavy metals in the hydrocarbon stream. | 02-27-2014 |
| 20150376084 | CARBON DIOXIDE ADSORPTION AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR - Methods and systems are provided for converting methane in a feed stream to acetylene. The method includes removing at least a portion of carbon dioxide from a hydrocarbon stream. The hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. The reactor effluent stream may be treated to convert acetylene to another hydrocarbon process. The method according to the invention provides certain aspects includes controlling the level of carbon dioxide in the hydrocarbon stream and in a fuel stream that is first sent to a combustion zone and then to the supersonic reactor. The results of removal of carbon dioxide include maintaining the shock location in the supersonic reactor and maintaining the acetylene yield without the production of undesired products such as carbon monoxide. | 12-31-2015 |
