| 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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| 05/13/2010 | US20100120754 Identification and use of small molecules to modulate transcription factor function and to treat transcription factor associated diseases |
| 05/12/2010 | CN1762987B Biuretized polyisocyanates and blocked biuretized polyisocyanates |
| 05/06/2010 | US20100113819 Method for Making Carbamates, Ureas and Isocyanates |
| 05/05/2010 | CN101701006A Phenethanolamine derivatives for treatment of respiratory diseases |
| 04/28/2010 | CN201441879U Melamine tail gas recovery tower |
| 04/27/2010 | US7704419 Process for the preparation of urea granules |
| 04/22/2010 | WO2009043365A8 Process and plant for urea production |
| 04/22/2010 | US20100099914 Method for purifying flue gases from combustion plants and then producing urea |
| 04/21/2010 | CN201439513U Section of evaporation device for urea production |
| 04/21/2010 | CN101696260A Polarimetric polyurethane-urea infrared low emissivity material and preparation method thereof |
| 04/21/2010 | CN101696177A Device for processing urea process condensate and method thereof |
| 04/21/2010 | CN101695669A Method for preparing urea catalytic liquid for vehicle |
| 04/20/2010 | US7700662 Diisocyanates, hydroxyacrylates, and polyester, polyethers or polycarbonateform copolymers cured by ultraviolet radiation; polyallophanates; low viscosity; coatings, binders, adhesives having hardness, elasticity, solvent resistance; industrial scale |
| 04/15/2010 | US20100093981 Carbamoylation of amines, thiophenols, mercaptanes and phenols employing organic azides |
| 04/14/2010 | CN101348264B Clean low energy consumption synthesis ammonia production method |
| 04/01/2010 | WO2010035053A1 Electric power generation in urea plants |
| 03/31/2010 | CN101684082A New recycling preseparation process of urea intermediate pressure system |
| 03/30/2010 | US7687041 Urea is synthesized by reacting ammonia and carbon dioxide to form ammonium carbamate, and subsequently dehydrated to form urea and water; reduced amount of unconverted ammonium carbamate, ammonia, and water in the urea solution; cost efficiency; multizone process |
| 03/25/2010 | US20100076222 Systems and Methods for Integrated Ammonia-Urea Process |
| 03/24/2010 | CN201427939Y Distilling apparatus for high-efficiently distilling to purify tetrabutyl urea |
| 03/24/2010 | CN101679225A Method for the synthesis of (z)-3-[2-butoxy-3'-(3-heptyl-1-methyl-ureido)-biphenyl-4-yl]-2-methoxy-acrylic acid |
| 03/24/2010 | CN101679224A Enhanced process for the synthesis of urea |
| 03/17/2010 | CN101671281A Method for extracting oxime compounds from cymoxanil mother liquor wastewater to synthesize cymoxanil |
| 03/11/2010 | US20100063321 Process for Urea Production and Related Plant |
| 03/09/2010 | US7674933 Method for modernizing a urea production plant |
| 03/09/2010 | US7674932 Method for the production of urea from natural gas |
| 03/09/2010 | CA2482346C Substituted phenylacetamides and their use as glucokinase activators |
| 03/03/2010 | CN201415123Y Radial guiding urea synthesis tower tray |
| 03/03/2010 | CN101659633A Dual-tower parallel urea synthesizing device |
| 03/02/2010 | US7670991 Substituted benzoylcyclohexenones and their use as herbicidal agents |
| 02/25/2010 | US20100048573 Methods of Inhibiting Bacterial Virulence and Compounds Relating Thereto |
| 02/17/2010 | EP2153880A1 Process and plant for the production of a urea solution for use in SCR process for reduction of Nox |
| 02/17/2010 | EP2152666A1 Enhanced process for the synthesis of urea |
| 02/17/2010 | EP1799635B1 Improved synthesis scheme for lacosamide |
| 02/09/2010 | US7659309 dissolving 1-{3-[3-(4-cyano-3-methoxy-phenyl)ureido]-phenyl}-ethyl)-carbamic acid-2-cyano-1-ethyl-ethyl ester in ethyl acetate with agitation, filtering, cooling the filtrate, seeding, isolation, drying |
| 02/04/2010 | WO2010012632A1 Process and plant for the production of a urea solution for use in scr process for reduction of nox |
| 02/04/2010 | CA2732432A1 Process and plant for the production of a urea solution for use in scr process for reduction of nox |
| 01/27/2010 | EP1303503B1 Aniline derivatives |
| 01/21/2010 | US20100016635 Systems and methods for integrated ammonia-urea process |
| 01/20/2010 | CN100582090C Method for preparing N-carbamyl glutamic acid |
| 01/13/2010 | CN101627009A Process and plant for the production of an aqueous solution comprising urea |
| 01/13/2010 | CN101624355A Medium-pressure recovery process of low steam/carbon ratio-three-section adsorption-evaporative ammonia-cooling carbamide production |
| 01/13/2010 | CN100579965C Processes for the preparation of N-heteroaryl-N-aryl-amines by reacting N-aryl carbamate with halo-heteroaryl and analogous processes |
| 01/05/2010 | US7642377 Systems and methods for integrated ammonia-urea process |
| 01/05/2010 | US7642376 Methods and devices for preparing biuret and cyanuric acid |
| 12/23/2009 | CN101607924A Preparation method of meta-alkyl urea series compounds |
| 12/23/2009 | CN101607168A Process and equipment for treating melamine tail gas |
| 12/17/2009 | WO2008141832A8 Enhanced process for the synthesis of urea |
| 12/17/2009 | US20090312286 Derivatives of 4-trimethylammonium-3-aminobutyrate and 4-trimethylphosphonium-3-aminobutyrate as cpt-inhibitors |
| 12/16/2009 | EP2132249A1 Method for the production of colorless polyisocyanates that have biuret groups and are stable in storage |
| 12/16/2009 | EP2132169A1 New methylenebisphenyl compounds useful in the treatment of inflammation |
| 12/16/2009 | CN101602695A Benzoyl urea compound with oxime ether structure as well as preparation method and application thereof |
| 12/16/2009 | CN100570305C Steam leak detection system |
| 12/16/2009 | CN100569824C Synthesis of acylureas and composition comprising acylureas |
| 12/09/2009 | CN101600685A Process for the preparation of urea |
| 12/02/2009 | EP2128129A1 Method for the modernization of a urea production plant |
| 12/02/2009 | CN101591269A Method for the improvement of a urea production plant |
| 11/26/2009 | WO2009141346A1 Process for the production of urea from ammonia and carbon dioxide |
| 11/26/2009 | WO2009141344A1 Process for the production of urea from ammonia and carbon dioxide |
| 11/26/2009 | US20090292140 Method for the Modernization of a Urea Production Plant |
| 11/26/2009 | CA2724566A1 Process for the production of urea from ammonia and carbon dioxide |
| 11/26/2009 | CA2724558A1 Process for the production of urea from ammonia and carbon dioxide |
| 11/25/2009 | EP2123634A1 Process for the production of urea from ammonia and carbon dioxide |
| 11/25/2009 | EP2123633A1 Process for the production of urea from ammonia and carbon dioxide |
| 11/25/2009 | CN201350404Y High pressure tubular full-condensation reactor |
| 11/24/2009 | US7622609 Process for the preparation of urea |
| 11/18/2009 | CN201347415Y Combined-type symmetric shrinkage-diffusion diversion-type tower tray for urea synthesis tower |
| 11/17/2009 | US7619114 Method for the modernization of a urea production plant |
| 11/11/2009 | EP2114872A1 Process and plant for the production of an aqueous solution comprising urea |
| 11/11/2009 | CN101578357A Process and apparatus for preparing a urea grease |
| 11/11/2009 | CN101575305A Preparation method of carbasalate calcium |
| 11/10/2009 | CA2410862C Factor viia inhibitory (thio)urea derivatives, their preparation and their use |
| 11/04/2009 | EP1620393B1 Process for the preparation of a urea and formaldehyde-containing aqueous solution |
| 10/28/2009 | CN101565391A Synthesis of N,N'-di(p-chlorophenyl)urea by one-pot method and preparation method for 2,4-dichloroaniline |
| 10/27/2009 | US7608735 Reacting ammonia and carbon dioxide at a predetermined high pressure to produce aqueous solution contining urea, ammonium carbamate and ammonia, dissociation in a treatment section at medium pressure for the recovery of the ammonium carbamate and ammonia contained in it, recyling in urea recovery section |
| 10/20/2009 | US7605261 Urea derivatives, method for preparing same, use thereof as medicines, pharmaceutical compositions and novel use |
| 10/15/2009 | US20090258858 Muscarinic acetylcholine receptor antagonists |
| 10/14/2009 | CN101558037A Process for urea production and related plant |
| 10/14/2009 | CN101555025A Preparation method of ammonia for coal-fired flue gas desulfurization and denitration by coproduction |
| 10/08/2009 | WO2009121843A1 Process for increasing the capacity of an existing urea plant |
| 10/08/2009 | WO2009121607A1 Method for producing a compound with at least one at least monosubstituted amino group |
| 10/08/2009 | WO2009121603A1 Method for producing a compound with at least one at least monosubstituted amino group |
| 10/08/2009 | CA2720180A1 Process for increasing the capacity of an existing urea plant |
| 10/07/2009 | EP2107051A1 Process for inreasing the capacity of an existing urea plant |
| 10/01/2009 | DE102008016967A1 Verfahren zur Herstellung einer Verbindung mit mindestens einer zumindest einfach substituierten Aminogruppe A process for the preparation of a compound having at least one at least mono-substituted amino group |
| 10/01/2009 | DE102008016966A1 Preparing alkylated aminoplast derivatives, useful e.g. for flame retardant, comprises catalytic hydrogenation and alkylation with hydrogen and alkylating substance, respectively, of aminoplast-formaldehyde resin, using suitable catalysts |
| 10/01/2009 | DE102008016964A1 Verfahren zur Herstellung einer Verbindung mit mindestens einer zumindest einfach substituierten Aminogruppe A process for the preparation of a compound having at least one at least mono-substituted amino group |
| 09/30/2009 | EP1814823B1 Method for the production of urea from natural gas |
| 09/23/2009 | EP2102152A1 Process for the preparation of urea |
| 09/23/2009 | CN101538483A Poly-generation technique for using coal gas and coke oven gas as raw materials |
| 09/16/2009 | EP2099886A1 Process and apparatus for preparing a urea grease |
| 09/16/2009 | CN101531620A Method for preparing methoxyl-isourea hydrosulfate |
| 09/08/2009 | US7585473 Carbamate condensation unit |
| 09/03/2009 | WO2009108258A1 Apparatus and methods for urea production |
| 09/03/2009 | US20090220396 Plant for Urea Production |
| 09/02/2009 | EP2094652A1 Integrated process for urea and melamine production |
| 09/02/2009 | CN100534977C Whole liquid phase isothermal urea synthesis method and its special equipment |
| 09/01/2009 | US7582795 Apparatus for synthesizing urea and method for revamping the same |
| 08/27/2009 | US20090216045 Urea is synthesized by reacting ammonia and carbon dioxide to form ammonium carbamate, and subsequently dehydrated to form urea and water; reduced amount of unconverted ammonium carbamate, ammonia, and water in the urea solution; cost efficiency; multizone process |
| 08/27/2009 | US20090215730 Antineoplastic compounds and pharmaceutical compositions thereof |