| 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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| 03/14/2012 | CN102372655A Carbonyl tetraamine compound and preparation method thereof |
| 03/14/2012 | CN102372654A Carbonyl octoamine compound and preparation method thereof |
| 03/08/2012 | WO2011122917A3 Octahydrobinaphthol derivative for l/d optical conversion and optical resolution |
| 03/06/2012 | US8129565 High-pressure loop in a process for synthesis of urea |
| 03/01/2012 | WO2012025038A1 Continuous manufacturing method and apparatus for synthesized hydazo dicarbonamide |
| 02/29/2012 | CN202151510U 节能尿素蒸发装置 Saving urea evaporation device |
| 02/22/2012 | CN202148271U 尿素造粒塔疤块肥融化造粒系统 Urea fertilizer granulation tower block scar melting granulation system |
| 02/22/2012 | CN102358726A Urea sulfate and preparation method thereof |
| 02/15/2012 | CN102351739A Urea granulation tail gas ammonia emission reduction technology and ammonia emission reduction device |
| 02/15/2012 | CN101166716B 尿素生产方法和相关设备 Urea production methods and related equipment |
| 02/09/2012 | US20120031775 Preparation of monobasic phosphate ionophores |
| 02/08/2012 | EP2415795A1 Method for manufacturing polyisocyanates and their application |
| 02/08/2012 | CN102344393A Equipment for producing fertilizers by wind energy |
| 02/02/2012 | WO2012015962A2 Method of preparing greases |
| 02/02/2012 | CA2806743A1 Method of preparing greases |
| 02/01/2012 | EP2412704A2 Method for obtaining optically pure amino acids |
| 02/01/2012 | EP2411438A1 Production of polyisocyanate prepolymers having allophanate structure units and use thereof in formulations for coatings, adhesives and sealants |
| 02/01/2012 | CN202129065U 尿素合成塔超压连锁控制系统 Urea reactor overpressure chain control system |
| 02/01/2012 | CN102336688A Urea process water circulation system and method |
| 01/31/2012 | US8106241 Enhanced process for the synthesis of urea |
| 01/26/2012 | WO2012011845A1 Apparatus and method for producing carbamide |
| 01/26/2012 | US20120022252 Phosphine ligands for catalytic reactions |
| 01/18/2012 | CN1854127B Process for urea production and plant |
| 01/18/2012 | CN102321231A Method for preparing hexamethylene diisocyanate biuret curing agent |
| 01/11/2012 | CN101274905B Feeding method for preventing high pressure scrubber from explosion in urea production |
| 01/11/2012 | CN101230021B Process for the preparation of urea granules |
| 01/04/2012 | EP2402308A1 Urea plant |
| 01/04/2012 | CN202099221U Low-grade heat energy recovering device in urea production |
| 01/04/2012 | CN102304104A TRPV1 (transient receptor potential cation channel, subfamily V, member 1) antagonists, and preparation method and medical application thereof |
| 12/29/2011 | WO2011162610A1 Urea plant |
| 12/29/2011 | CA2803270A1 Urea plant |
| 12/27/2011 | US8084642 Method of improving the crushing strength, impact resistance and compressibility of urea, and urea composition |
| 12/22/2011 | WO2011157530A1 Method for revamping a self-stripping urea plant and process for synthesis of urea |
| 12/21/2011 | EP2397463A1 Method for revamping a self-stripping urea plant |
| 12/21/2011 | EP2397462A2 Compounds, compositions and methods of treatment for heart failure |
| 12/21/2011 | CN202078887U 组合式尿素合成塔 Combined urea reactor |
| 12/21/2011 | CN102292315A 磷酸二氢根离子载体的制备 Preparation dihydrogen phosphate ionophore |
| 12/21/2011 | CN101245037B 一种氧甲基异脲醋酸盐的制备方法 Method for preparing oxygen-methylisourea acetate |
| 12/20/2011 | US8080687 Method for reducing aerosol emissions in a urea granulation plant |
| 12/15/2011 | US20110306791 Improvement to the high-pressure loop in a process for synthesis of urea |
| 12/14/2011 | CN102276504A 一种溴米索伐的合成方法 One method of synthesis of bromine misoprostol cutting |
| 12/07/2011 | EP2200981B1 Novel carbamoylglycine derivatives |
| 12/07/2011 | EP1876171B1 Apparatus for urea synthesis and method of improving the same |
| 12/06/2011 | US8071810 3-(3-Amino-2,6-diisopropyl-phenyl)-1-(4-isopropyl-phenyl)-1-(4-methoxy-benzyl)-urea; autoimmune disorders; inflammation |
| 11/30/2011 | EP2318123B1 PROCESS AND PLANT FOR THE PRODUCTION OF AN UREA SOLUTION FOR USE IN AN SCR PROCESS FOR REDUCTION OF NOx |
| 11/30/2011 | CN102260197A 微波法制备过氧化尿素 Prepared by Microwave carbamide peroxide |
| 11/30/2011 | CN101166715B 尿素合成装置及其改造方法 Urea synthesis apparatus and method of retrofitting |
| 11/30/2011 | CN101166714B 尿素合成装置 Urea synthesis unit |
| 11/23/2011 | CN102256935A Improvement to the high-pressure loop in a process for synthesis of urea |
| 11/23/2011 | CN102250376A Novel method for preparing intercalated compound with organic insoluble matter as object |
| 11/23/2011 | CN102249952A Method for separating and purifying water-soluble antibiotic Zwittermicin A in Bacillus thuringiensis |
| 11/22/2011 | US8063246 Method for purifying flue gases from combustion plants and then producing urea |
| 11/16/2011 | EP2386346A1 Process for the reduction of ammonia emissions in a urea manufacturing process |
| 11/16/2011 | CN101372465B Industrial method for extracting natural L-citrulline from water melon or smacking watermelon and other plant tissues |
| 11/16/2011 | CN101172961B Methods and devices for preparing biuret and cyanuric acid |
| 11/15/2011 | CA2481154C Carbamate condensation method and unit for carrying out such a method |
| 11/03/2011 | WO2011136231A1 Novel process for producing bisaminophenylalkylurea |
| 11/03/2011 | WO2011134648A1 Reactor for effecting gas-liquid biphasic reactions |
| 11/02/2011 | CN202021042U Tray structure in urea synthesizing tower |
| 11/02/2011 | CN102229550A Method for preparing 3-mercaptopropionic acid |
| 10/26/2011 | CN202015619U Urea synthesizing tower |
| 10/25/2011 | US8044234 Bioabsorbable surgical composition |
| 10/19/2011 | EP2376442A2 Preparation of monobasic phosphate ionophores |
| 10/18/2011 | CA2360275C Novel stabilized activated derivatives of carbamic acid, their process of preparation and their use for the preparation of ureas |
| 10/13/2011 | WO2011126389A1 Method and apparatus for the production of granulated carbamide |
| 10/13/2011 | US20110250119 Integrated process for the manufacture of olefins and intermediates for the productions of ammonia and urea |
| 10/12/2011 | CN102216300A Compounds and compositions as protein kinase inhibitors |
| 10/12/2011 | CN101148425B Synthesizing method for urea |
| 10/06/2011 | WO2011122917A2 Octahydrobinaphthol derivative for l/d optical conversion and optical resolution |
| 10/05/2011 | EP2370489A1 Method for producing rheologically effective urea urethanes in organic salts |
| 10/05/2011 | CN102206174A Urea hydrogen peroxide disinfectant and preparation method thereof |
| 10/05/2011 | CN101407477B Method for synthesizing diphenylurea from urea and aniline |
| 10/05/2011 | CN101318914B Method for preparing urea phosphoric acid with wet-process phosphoric acid |
| 09/28/2011 | EP1934172B1 Compounds containing aldimine |
| 09/28/2011 | CN102203050A Method for making carbamates, ureas and isocyanates |
| 09/21/2011 | CN102196844A Defoaming agent for defoaming lacquers |
| 09/14/2011 | EP1856038B1 Process for the preparation of a urea-comprising aqueous stream |
| 09/14/2011 | CN102180813A Method for preparing diflubenzuron serving as pesticide |
| 09/07/2011 | EP2362867A2 Method for making carbamates, ureas and isocyanates |
| 09/01/2011 | WO2011104387A1 Process for preparing urea |
| 09/01/2011 | DE102010009502A1 Verfahren zur Herstellung von Harnstoff Process for the preparation of urea |
| 09/01/2011 | CA2789554A1 Process for preparing urea |
| 08/24/2011 | EP2359921A1 Falling-film stripper and stripping medium distributor for carbamate decomposition |
| 08/24/2011 | EP2358667A1 Improvement to the high-pressure loop in a process for synthesis of urea |
| 08/18/2011 | WO2011099844A1 Removal of ammonia in urea finishing |
| 08/18/2011 | WO2011098335A1 Falling-film stripper for carbamate decomposition |
| 08/18/2011 | CA2789399A1 Removal of ammonia in urea finishing |
| 08/18/2011 | CA2785775A1 Falling-film stripper for carbamate decomposition |
| 08/17/2011 | CN102153515A N,N'-bis-substituted urea Raf kinase inhibitors and preparation method and application thereof |
| 08/10/2011 | CN1879943B Pressure-variable adsorption decarbonization improved process for carbamide and methanol |
| 08/09/2011 | CA2569715C Method of improving the crushing strength and reducing the dust formation and the caking tendency of urea, and urea composition |
| 08/09/2011 | CA2486534C Plant for urea production |
| 08/04/2011 | DE102010007391A1 Verfahren zur Bandkonditionierung bei Pastillieranlagen und Vorrichtung zum Herstellen von Pastillen A method for conditioning at pastillation band and apparatus for producing pastilles |
| 08/04/2011 | DE102010007390A1 Verfahren zur Bandkonditionierung bei Pastillieranlagen und Vorrichtung zum Herstellen von Pastillen A method for conditioning at pastillation band and apparatus for producing pastilles |
| 08/03/2011 | CN102140081A Process for the preparation of indazolyl ureas that inhibit vanilloid subtype 1 (VR1) receptors |
| 07/28/2011 | WO2010147965A3 Process for production of heterodimers of glutamic acid |
| 07/27/2011 | EP1763508B1 Process for the preparation of urea |
| 07/27/2011 | CN102134207A Urea compound and preparation method and application thereof |
| 07/26/2011 | CA2644467C Alpha crystalline form of perindopril arginine salt, its preparation process, and the pharmaceutical compositions that contain it |
| 07/26/2011 | CA2367787C Ligands for metabotropic glutamate receptors |