| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 562840000 | Carboxylic halides (i.e., compounds having the -C(=O)-halo group) | 29 |
| 20100105949 | RADIOSYNTHESIS OF ACID CHLORIDES - Radiolabelled acid chlorides may be synthesised by reacting a radiolabelled carboxylic acid with a solid-phase supported chlorinating agent. | 04-29-2010 |
| 562847000 | Phosgene, per se | 7 |
| 20090143619 | PROCESS FOR THE PRODUCTION OF PHOSGENE WITH REDUCED CO EMISSION - The application relates to a process for the continuous production of phosgene from chlorine and CO with reduction of the carbon monoxide emission (CO emission). | 06-04-2009 |
| 20110288334 | REACTOR AND PROCESS FOR PREPARING PHOSGENE - A reactor ( | 11-24-2011 |
| 20110319662 | METHOD FOR PRODUCING PHOSGENE - A process for preparing phosgene by reaction of a feed stream ( | 12-29-2011 |
| 20130072717 | REACTOR AND PROCESS FOR PREPARING PHOSGENE - A reactor ( | 03-21-2013 |
| 20130303803 | METHOD FOR PURIFYING A CHLORINE SUPPLY - This invention provides a method for purifying a chlorine supply that includes a chlorine component, a bromine component, and nitrogen trichloride. The method includes the steps of introducing the chlorine supply into a vaporizer, heating the chlorine supply in the vaporizer to form a vapor, and introducing the vapor into a distillation system to provide purified chlorine gas, a distillate that includes liquid chlorine and the bromine component, and a bottoms component including the nitrogen trichloride. The method also includes the steps of condensing the vapor in a reflux condenser, heating the condensate in a reboiler, removing the purified chlorine gas from the distillation system, and removing the distillate from the distillation system. | 11-14-2013 |
| 20160137511 | CATALYST FOR PREPARING PHOSGENE AND METHOD FOR PREPARING PHOSGENE USING THE SAME - The present invention relates to a catalyst for preparing phosgene and a method for preparing phosgene using the catalyst. Said method comprises: modifying the surface of an activated carbon coating/foamed silicon carbide structural catalyst using an alkali metal salt; filling the catalysts having different thickness of the activated carbon coating and different amount of the alkali metal salt in different sections in the axial direction of the multi-tubular reactor of the fixed bed, and preparing phosgene using Cl | 05-19-2016 |
| 20160176715 | METHOD AND APPARATUS FOR PRODUCING HIGH PURITY PHOSGENE | 06-23-2016 |
| 562849000 | Fluorine is the halogen (i.e., carboxylic fluorides) | 6 |
| 20090054687 | Process for Producing Perfluoropolyether Carboxylic Acid Fluoride - Perfluoropolyether carboxylic acid fluoride having the following general formula: | 02-26-2009 |
| 20100121106 | Method for preparing carbonylic perfluoropolyethers - A process for preparing perfluoropolyethers of formula | 05-13-2010 |
| 20190144370 | METHODS FOR CONVERTING FLUORINATED COMPOUNDS | 05-16-2019 |
| 562851000 | Processes for forming the carbonyl group | 2 |
| 20100191013 | PROCESS FOR PRODUCTION OF CARBONYL FLUORIDE - The present invention provides a method for inexpensively, efficiently, safely, and continuously producing COF | 07-29-2010 |
| 20150299088 | METHOD FOR PRODUCING DRY ETCHING GAS - Provided is a method for producing fluoromethane and 3,3,3-trifluoro-2-(trifluoromethyl)propanoyl fluoride ((CF | 10-22-2015 |
| 562852000 | Processes for forming the carbonyl to fluoride bond | 1 |
| 20110184209 | PROCESS FOR PRODUCING CARBONYL DIFLUORIDE - An object of the invention is to provide efficient, simple and inexpensive processes for the production of carbonyl difluoride, which is an attractive and important compound as a semiconductor etching gas or a semiconductor cleaning gas. | 07-28-2011 |
| 562853000 | Plural -C(=O)-halo groups attached indirectly to each other by nonionic bonding | 6 |
| 20100099911 | METHOD FOR PRODUCING CARBOXYLIC ACID CHLORIDE - This invention relates to a method for producing a carboxylic acid chloride, which efficiently decomposes a Vilsmeier reagent type compound in a carboxylic acid chloride lacking a thermal stability or a carboxylic acid chloride hardly distilled in practice due to a high boiling point with a simple operation and has no adverse effect on a subsequent step, and more particularly to a method for producing a carboxylic acid chloride, characterized by comprising reacting a carboxylic acid with a chlorinating agent in the presence of a catalyst, removing the excessive chlorinating agent from a reaction system after the reaction, and then further adding 1.0 to 3.0 equivalents of the starting carboxylic acid based on the catalyst to the reaction system to decompose a Vilsmeier reagent type compound remaining in the reaction system. | 04-22-2010 |
| 20130261338 | Process for the Preparation of Iosimenol - A process for the preparation of iosimenol comprising reacting 5,5′-[(1,3-dioxo-1,3-propanediyl)diimino]bis[N-(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide] (C-VI) with a 3-halo-1,2-propanediol in an aqueous solvent. A process for the preparation of C-VI comprising reacting 3,3′4(1,3-dioxo-1,3-propanediyl)diimino]bis[5-(aminocarbonyl)-2,4,6-triiodobenzoyl chloride] (C-V) with 3-amino-1,2-propanediol in the presence of an inorganic base and a suitable non-aqueous polar solvent. A process for the preparation of C-V comprising reacting 3-amino-5-(aminocarbonyl)-2,4,6-triiodobenzoyl chloride (C-IV) with malonyl dichloride in a solvent comprising a suitable ester solvent, a suitable nitrile solvent or mixtures thereof. | 10-03-2013 |
| 562855000 | Plural -C(=O)-halo groups bonded directly to the same benzene ring | 4 |
| 20110178336 | METHOD OF PRODUCING PHTHALOYL DICHLORIDE COMPOUND, CATALYST FOR USE IN THE METHOD, AND METHOD OF FORMING THE CATALYST - A method of producing a phthaloyl dichloride compound, the method including: providing a compound represented by the following formula (1) and a compound represented by the following formula (2); and bringing the compound represented by the following formula (1) and the compound represented by the following formula (2) into reaction, so as to form a compound represented by the following formula (3), in the presence of at least one compound selected from a zirconium compound, a hafnium compound, and zinc oxide; | 07-21-2011 |
| 20120004461 | METHOD FOR CONVERTING AROMATIC ALDEHYDES TO AROMATIC ACYL HALIDES - A method for converting an aromatic aldehyde or a mixture of aromatic aldehydes to a reaction product in a reaction medium that is free from xylene. The reaction product may be an aromatic acyl halide or a mixture of aromatic acyl halides. The method includes bringing the aromatic aldehyde or mixture of aromatic aldehydes in contact with a halogen to obtain the reaction product. | 01-05-2012 |
| 20120035395 | PROCESS FOR PRODUCING PHTHALIC ACID COMPOUND INCLUDING CHLORINATED AROMATIC RING - Provided is a process for producing a phthalic acid compound whose aromatic ring has been chlorinated, the process reacting a phthalic acid compound and chlorine in a mixture of chlorosulfonic acid and thionyl chloride in the presence of an iodine compound. | 02-09-2012 |
| 20140100389 | METHOD OF PRODUCING PHTHALOYL DICHLORIDE COMPOUND, CATALYST FOR USE IN THE METHOD, AND METHOD OF FORMING THE CATALYST - A method of producing a phthaloyl dichloride compound, the method including: providing a compound represented by the following formula (1) and a compound represented by the following formula (2); and bringing the compound represented by the following formula (1) and the compound represented by the following formula (2) into reaction, so as to form a compound represented by the following formula (3), in the presence of at least one compound selected from a zirconium compound, a hafnium compound, and zinc oxide; | 04-10-2014 |
| 562856000 | Processes | 9 |
| 20100099912 | METHOD FOR THE CONVERSION, UNDER MILD CONDITIONS AND IN AQUEOUS MEDIUM, OF GASEOUS AND LIQUID ALKANES INTO CARBOXYLIC ACIDS - The present invention concerns a new efficient method for the selective transformation, under mild conditions and in aqueous medium, of gaseous (ethane, propane and n-butane) and liquid (n-pentane, n-hexane, cyclopentane and cyclohexane) alkanes into carboxylic acids bearing one more carbon atom, characterized by a single-pot low-temperature (25-60° C.) reaction of the alkane with carbon monoxide in water/acetonitrile liquid medium, either in the absence or in the presence of a metal catalyst, in systems containing also an oxidant (a peroxodisulphate salt). | 04-22-2010 |
| 20110105792 | Process for producing allyl acetate - A process for producing allyl acetate is disclosed. The process comprises reacting propylene, acetic acid, and oxygen in the presence of a supported palladium catalyst in an adiabatic reactor. | 05-05-2011 |
| 562857000 | Phosgene reactant | 1 |
| 20110251429 | CHLOROTHIOFORMATE MANUFACTURING METHOD - The present invention relates to a process for producing chlorothioformate comprising reacting an alkenyl mercaptan with phosgene in a reactor in the presence of a carboxylic acid amide in an organic solvent, characterized in that the carboxylic acid amide is preliminary charged to the reactor in an amount of 10 to 50% by weight based on the whole amount of the carboxylic acid amide, and subsequently, the compound of the formula (I), phosgene and the remaining carboxylic acid amide are charged to the reactor. | 10-13-2011 |
| 562859000 | Forming the carbonyl group | 2 |
| 20120310010 | Method for producing sulfonamides - A process for preparing sulfonamides I | 12-06-2012 |
| 20130012740 | Method for Producing Difluoroacetyl Chloride - A production method of difluoroacetyl chloride according to the present invention includes a chlorination step of bringing a raw material containing at least either a 1-alkoxy-1,1,2,2-tetrafluoroethane or difluoroacetyl chloride into contact with calcium chloride at a reaction enabling temperature. A production method of 2,2-difluoroethyl alcohol according to the present invention includes a catalytic reduction step of causing catalytic reduction of the difluoroacetyl chloride obtained by the above production method. By these methods, the difluoroacetyl fluoride can be efficiently converted to the difluoroacetyl chloride and to the 2,2-difluoroethyl alcohol. | 01-10-2013 |
| 562861000 | Forming the carbonyl to halide bond | 4 |
| 20100185013 | PROCESS FOR FORMING ALPHA, BETA-UNSATURATED CARBONYL HALIDES - A process for forming an α,β-unsaturated carbonyl halide in a microreactor is described. The reactants comprise an α,β-unsaturated carboxylic acid, a halogenating agent, and a catalyst. A first inlet stream, a second inlet stream, and an optional third inlet stream flow into a reaction chamber of a flow-through microreactor to form a reaction product comprising an α,β-unsaturated carbonyl halide. | 07-22-2010 |
| 20140031588 | Method for Purifying Difluoroacetic Acid Chloride - A method for purifying difluoroacetic acid chloride, including the step of bringing a difluoroacetic acid chloride composition that contains at least difluoroacetic acid fluoride into contact with calcium chloride at a temperature enabling reaction thereof thereby converting difluoroacetic acid fluoride into difluoroacetic acid chloride. | 01-30-2014 |
| 562862000 | Reactant having halogen bonded directly to sulfur by nonionic bonding | 2 |
| 20090076304 | METHODS FOR PRODUCING CARBOXYLIC ACID CHLORIDE COMPOUNDS - The present invention discloses methods for producing a carboxylic acid chloride compound which comprises the step of reacting an alkyl-substituted cyclohexyl carboxylic acid with a chlorinating agent in the presence of a specific urea compound. According to this invention, it is possible to produce a carboxylic acid chloride compound which has high reaction speed, and whose product has high purity or high yield. Thus produced carboxylic acid chloride compound is useful as an intermediate for producing D-phenylalanine derivatives which are used as agents for treating diabetes. | 03-19-2009 |
| 20090192333 | PROCESS FOR THE PREPARATION OF ACID HALIDES - A process for the preparation of acid halides of formula I | 07-30-2009 |
