| Patents for C07C 273 - Preparation of urea or its derivatives, i.e. compounds containing any of the groups the nitrogen atoms not being part of nitro or nitroso groups (3,705) |
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| 12/08/2010 | CN101555025B Preparation method of ammonia for coal-fired flue gas desulfurization and denitration by coproduction |
| 12/08/2010 | CN101219972B Method for synthesizing symmetrical aryl urea compounds |
| 12/02/2010 | WO2010137454A1 Method for analyzing aqueous ammonium carbamate solution, and method for operating unreacted gas-absorption tank |
| 12/01/2010 | CN201660577U Melamine tail gas recycling device |
| 12/01/2010 | CN201660575U Novel urea ammonia cooling device |
| 12/01/2010 | CN1840523B Process and plant for the production of urea |
| 12/01/2010 | CN101076512B Process for increasing the capacity of an existing urea process |
| 11/30/2010 | US7842255 submerged type; synthesis of urea from gaseous carbon dioxide and liquid ammonia; feeding separately and independently the gaseous phase and the liquid phase allows uniform and homogeneous distribution of gaseous compounds within all tubes; efficiency and the condensation yield are increased |
| 11/24/2010 | CN101891653A Clean production method of symmetric N,N'-disubstituted urea |
| 11/23/2010 | US7838080 Method for producing urea pellets |
| 11/17/2010 | CN201634607U Energy-saving combined device for urea production and hydrolysis |
| 11/17/2010 | CN101888994A Polyisocyanates containing allophanate groups |
| 11/11/2010 | WO2010127558A1 Substituted benzoyl urea compounds, preparation methods and uses thereof |
| 11/11/2010 | US20100286430 Method for the synthesis of (z)-3-[2-butoxy-3'-(3-heptyl-1-methyl-ureido)-biphenyl-4-yl]-2-methoxy-acrylic acid |
| 11/10/2010 | CN101880246A Substituted benzoyl urea compound and preparation method and application thereof |
| 11/10/2010 | CN101880245A Method for purifying citrulline from watermelon |
| 11/04/2010 | US20100280124 Acyl-urea derivatives and uses thereof |
| 10/27/2010 | CN201613035U 尿素系统中压分解分离提纯装置 Urea system pressure decomposition separation and purification device |
| 10/21/2010 | US20100267669 Heterocyclic cetp inhibitors |
| 10/20/2010 | CN201609652U 用于尿素合成的塔盘 Trays for urea synthesis |
| 10/20/2010 | CN101863801A Preparation method of optical activity citrulline or homocitrulline |
| 10/19/2010 | US7816561 Method of improving the crushing strength and reducing the dust formation and the caking tendency of urea, and urea composition |
| 10/19/2010 | US7816310 Synergistic mixture of moisturizer and N-2-hydroxyethylurea; ammonium salt of lactic, glycolic, citric, maleic, acetic, and/or salicylic acid; smooth feel, flexibility, elasticity, suppleness, firmness, nongreasy |
| 10/14/2010 | US20100261015 Ethylene urea displaying lasting powder flow |
| 10/13/2010 | CN201605241U 一种水溶液全循环法生产尿素的吸收装置 Absorber full cycle production of an aqueous solution of urea |
| 10/06/2010 | CN201598246U 三聚氰胺和尿素联产热能再利用装置 Melamine and urea cogeneration heat re-use device |
| 09/30/2010 | WO2010110555A2 Method for obtaining optically pure amino acids |
| 09/30/2010 | WO2010108632A1 Production of polyisocyanate prepolymers having allophanate structure units and use thereof in formulations for coatings, adhesives and sealants |
| 09/29/2010 | EP1521739B1 Method for the continuous production of tetra-substituted ureas |
| 09/29/2010 | CN101137618B Process for urea production and related plant |
| 09/22/2010 | CN101838224A Method for reducing grain size of AC foaming agent |
| 09/16/2010 | WO2010062490A3 Method for making carbamates, ureas and isocyanates |
| 09/16/2010 | DE202006020876U1 Feststoffpartikel Solid particles |
| 09/15/2010 | CN101830833A Method for refining medicinal urea |
| 09/15/2010 | CN101250139B Method for synthesizing 3,3'-dimethoxy diphenylurea |
| 09/15/2010 | CN101172960B Green synthesis of carbidopa midbody |
| 09/10/2010 | WO2010062158A3 Preparation of monobasic phosphate ionophores |
| 09/08/2010 | CN101827814A Novel carbamoylglycine derivatives |
| 09/08/2010 | CN101823985A Medium-pressure urea decomposing, separating and purifying system for urea system |
| 09/08/2010 | CN101823984A Process and device for reclaiming hydrolysis desorption heat energy |
| 09/08/2010 | CN101337930B Urea derivative preparation process |
| 09/01/2010 | CN101817769A Carbamido peptide aminopeptidase N inhibitor and application thereof |
| 09/01/2010 | CN101817764A Preparation method of chain-like urea derivatives, cyclic urea derivatives and oxazolidinone |
| 08/31/2010 | US7786327 Method for co-producing electric power and urea from carbonaceous material |
| 08/31/2010 | US7786326 Polyacylurethanes based on diisocyanates and polyesterpolyols |
| 08/26/2010 | US20100217041 Enhanced process for the synthesis of urea |
| 08/25/2010 | EP2221294A1 Process for production of n-carbamoyl-tert-leucine |
| 08/25/2010 | EP2220035A1 Polyisocyanates containing allophanate groups |
| 08/25/2010 | CN101072751B Process for the removal of ammonia from an ammonia-containing gas stream |
| 08/19/2010 | US20100210874 Process and Plant for Urea Production |
| 08/19/2010 | US20100205856 Method of producing synthetic fuels and organic chemicals from atmospheric carbon dioxide |
| 08/18/2010 | CN101805274A Method for producing particularly reactive and low viscosity allophanates with actinically hardenable groups and use of same to produce particularly scratch-proof coatings |
| 08/11/2010 | EP2214811A1 Method for the recovery of ammonia from a gaseous stream in an synthesis process of urea |
| 08/11/2010 | CN201545794U Improved device of low pressure system in carbon dioxide air stripping urea device |
| 08/11/2010 | CN1636973B Carbamate condensation method and unit for carrying out such a method |
| 08/05/2010 | US20100197735 Novel phenylurea inhibitors of the enzyme soat-1 and pharmaceutical/cosmetic compositions comprised thereof |
| 08/05/2010 | DE102009005677A1 Verfahren und Vorrichtung zur Herstellung hochreiner Harnstofflösung Method and apparatus for producing high purity urea solution |
| 08/04/2010 | EP1497262B1 Acyl-4-carboxyphenylurea derivatives, method for production and use thereof |
| 08/04/2010 | EP1392660B1 Substituted benzoylcyclohexenones and their use as herbicidal agents |
| 07/28/2010 | CN1762988B Blocked biuretized isocyanates |
| 07/28/2010 | CN101786969A Method of joint production of urea hydrogen peroxide and sodium percarbonate |
| 07/28/2010 | CN101786968A Method for reducing decarburization energy consumption of N-Methyldiethanolamine (MDEA) |
| 07/21/2010 | CN101781236A Method for preparing 3-(3,4-dichlorophenyl)-1-methoxy-1-methyl urea |
| 07/14/2010 | CN201525815U Device for preparing urea by utilizing aqueous solution total recycle process |
| 07/14/2010 | CN201524557U Whole multi-layer sandwich type urea reactor |
| 07/14/2010 | CN201524505U Urea prilling tower equipped with tail gas dust removing device |
| 07/14/2010 | CN101774950A Cogeneration technology of urea by using melamine tail gas and device thereof |
| 07/13/2010 | CA2304970C Method and reagents for n-alkylating ureides |
| 07/07/2010 | CN101768176A Ionic liquid |
| 07/01/2010 | WO2010046181A3 Defoaming agent for defoaming lacquers |
| 07/01/2010 | US20100168473 Process for the preparation of urea |
| 07/01/2010 | US20100168285 Diethylene tricarbamide and diethylene tricarbamide-formaldehyde condensation resins |
| 06/30/2010 | EP2200981A1 Novel carbamoylglycine derivatives |
| 06/30/2010 | CN101759603A Preparation method and application of feed additive N-carbamylglutamic acid |
| 06/24/2010 | WO2010069691A1 Improvement to the high-pressure loop in a process for synthesis of urea |
| 06/24/2010 | WO2010069018A1 Integrated process for producing olefins and intermediate chemicals for the production of ammonia and urea |
| 06/24/2010 | US20100160682 Process for synthesis of amino-methyl tetralin derivatives |
| 06/24/2010 | CA2743659A1 Improvement to the high-pressure loop in a process for synthesis of urea |
| 06/23/2010 | EP2199279A1 Improvement to the high-pressure loop in a process for synthesis of urea |
| 06/23/2010 | EP2197837A1 Process and plant for urea production |
| 06/23/2010 | CN201512486U Device for utilizing circulating hot water of absorber cooler to preheat liquid ammonia |
| 06/23/2010 | CN201512485U Device for utilizing ammonium liquid generated by melamine tail gas to produce carbamide |
| 06/16/2010 | CN201505495U Urea dust recovery device |
| 06/16/2010 | CN101735114A Purification method of biuret |
| 06/16/2010 | CN101735113A Urea derivatives, preparation method and use thereof |
| 06/10/2010 | WO2010063358A1 Method for producing rheologically effective urea urethanes in organic salts |
| 06/08/2010 | US7732640 Process for urea production from ammonia and carbon dioxide |
| 06/08/2010 | US7732638 Method of amidocarbonylation reaction |
| 06/08/2010 | US7731856 collecting waste matter from the animals, inhibiting urease activity in said collected waste matter, and separating said urease-activity inhibited waste matter into a urea-rich fraction and a urea-lean fraction; producing urea from waste; producing urea formaldehyde; producing biogas fuel |
| 06/03/2010 | WO2010062158A2 Preparation of monobasic phosphate ionophores |
| 06/02/2010 | DE102008059702A1 Verfahren zur Herstellung rheologisch wirksamer Harnstoffurethane in organischen Salzen Process for the preparation rheologically effective urea-urethanes in organic salts |
| 06/02/2010 | CN201495190U Double-tower parallel type urea synthesis device |
| 06/02/2010 | CN201495189U Carbamide synthesizing tower |
| 06/02/2010 | CN101219973B Process for producing biurea |
| 05/26/2010 | CN201485403U Urea medium pressure absorption tower |
| 05/26/2010 | CN1902163B Integrated process for urea and melamine production |
| 05/19/2010 | CN101709043A Method for comprehensively utilizing waste gas and waste liquid in production of biurea |
| 05/19/2010 | CN101709041A Process for producing diuron |
| 05/19/2010 | CN101270065B Urea synthetic tower tray floor |
| 05/18/2010 | CA2404151C Installation and process for the preparation of urea |