| 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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| 03/05/2008 | CN101137619A Process for the preparation of a urea-comprising aqueous stream |
| 03/05/2008 | CN101137618A Process for urea production and related plant |
| 02/21/2008 | US20080041131 Method of Improving the Crushing Strength and Reducing the Dust Formation and the Caking Tendency of Urea, and Urea Composition |
| 02/20/2008 | CN100369893C Production of o-chlor-benzoylurea from tobacco stalks |
| 02/19/2008 | US7332529 Thermoreversible organogelators, compositions and methods of making thereof |
| 02/14/2008 | US20080039623 by thermal decomposition of urea; product of thermal decomposition is cooled to precipitate a crystal and the precipitated crystal is dissolved using an alkali aqueous solution and cooled to obtain biuret having high purity; simple and inexpensive |
| 02/13/2008 | CN100368391C Crotonylidene diurea production method |
| 02/12/2008 | CA2312763C Process for the preparation of urea |
| 02/07/2008 | US20080033203 High speed curing |
| 02/06/2008 | CN101116790A Method for purifying flour dust for the urea granulation column |
| 01/31/2008 | DE19525235B4 Harnstoff-Modifiziertes Carbodiimid und Verfahren zur Herstellung desselben Of the same urea-modified carbodiimide, and process for preparing |
| 01/29/2008 | US7323532 With activated, radiation-curable double bonds and can optionally also cure thermally, and low-viscosity polyisocyanate mixtures or secondary products thereof and their use in coating compounds |
| 01/23/2008 | EP1879857A1 Method for concentrating an aqueous ammonium carbamate stream |
| 01/23/2008 | CN100363340C Method of synthesining isoprutuion using dionethyl amine water solution |
| 01/23/2008 | CN100363338C Polyisocyanate containing acyl urea group, its producing process and its application |
| 01/22/2008 | CA2374362C Urea derivatives as hiv aspartyl protease inhibitors |
| 01/17/2008 | WO2008006812A1 Method for obtaining symmetrical n,n'-disubstituted urea |
| 01/16/2008 | EP1877368A1 Process for urea production and related plant |
| 01/16/2008 | CN101104597A Low-pressure gas stripping reclaiming method for synthetic ammonia and urea technique condensate |
| 01/09/2008 | EP1876171A1 Apparatus for urea synthesis and method of improving the same |
| 01/09/2008 | EP1876170A1 Apparatus for urea synthesis |
| 01/09/2008 | CN101103060A A polyurea compound |
| 01/08/2008 | CA2408602C Phenylglycine derivatives |
| 01/02/2008 | CN200999226Y Tray for carbamide synthesis |
| 01/02/2008 | CN101098852A Glycogen phosphorylase inhibitor compounds and pharmaceutical compositions thereof |
| 12/26/2007 | CN200995130Y Tray installation structure for synthesizing urea |
| 12/26/2007 | CN100357268C Process for synthesizing sec-butyl urea |
| 12/21/2007 | WO2006122782A8 N-(2-hydroxyalkanoyl) -n,n'-dialkylureas and a process for their preparation |
| 12/13/2007 | US20070287863 Process for Urea Production from Ammonia and Carbon Dioxide |
| 12/12/2007 | EP1863758A2 Process for urea production and related plant |
| 12/12/2007 | EP1863748A1 Methods for carbon isotope labeling synthesis by transition metal-promoted carbonylation via isocyanate using azides and carbon-isotope monoxide |
| 12/12/2007 | CN101085751A Method for eliminating negative effect to urea device due to carbon dioxide dehydrogenation |
| 12/06/2007 | US20070282102 Integrated Process for Urea and Melamine Production |
| 12/05/2007 | CN101081822A Industrial preparation method of halogenated carbonyl aniline |
| 12/04/2007 | CA2253839C Diformylurea and reaction products of urea and carboxylic acids |
| 11/27/2007 | CA2379695C Compounds for modulating the rage receptor |
| 11/21/2007 | EP1857439A1 Method for purifying aqueous urea solution |
| 11/21/2007 | EP1856038A1 Process for the preparation of a urea-comprising aqueous stream |
| 11/21/2007 | CN101076512A Process for increasing the capacity of an existing urea process |
| 11/15/2007 | US20070265345 Novel Biphenyl Compounds And Their Use |
| 11/14/2007 | CN200974821Y Full-liquid-phase isothermal carbamide converter |
| 11/14/2007 | CN101072805A Method for producing colourless polyisocyanates that contain biuret groups and are stable in storage |
| 11/14/2007 | CN101072751A Process for the removal of ammonia from an ammonia-containing gas stream |
| 11/14/2007 | CN101072750A Particle size control for acetylenic agents useful in condition monitoring systems |
| 11/14/2007 | CN100348578C Equipment of preparing birueal by using carbamide as raw material |
| 11/01/2007 | WO2007122847A1 Reagent for organic synthesis and method of organic synthesis reaction with the reagent |
| 10/31/2007 | EP1594820B1 Process and plant for the production of area |
| 10/31/2007 | CN100345823C Compounds, compositions and methods |
| 10/30/2007 | US7288213 (Cyclo)condensing an isocyanate to produce a tricondensate polyfunctional isocyanate reaction product; reacting a linear alkyl isocyanate monomer with C4-C8 linear alkyl alcohol to obtain an allophanate; and mixing the reaction products |
| 10/25/2007 | US20070249816 Methods for carbon istope labeling synthesis by rhodium-promoted carbonylation via isocyanate using azides and carbon-isotope monoxide |
| 10/25/2007 | US20070249630 Phenethanolamine derivatives for treatment of respiratory diseases |
| 10/24/2007 | EP1846469A1 A polyurea compound |
| 10/23/2007 | CA2213032C Process for the manufacture of allophanates having isocyanate groups |
| 10/10/2007 | EP1232150B1 Urea derivatives as anti-inflammatory agents |
| 10/09/2007 | US7279599 Carbamate condensation method and unit for carrying out such a method |
| 10/09/2007 | US7279582 For example (2S, 3S, 5S)-2-(2,6-dimethylphenoxyacetyl)amino-3-hydroxy-5-(2S-(1-tetrahydro-pyrimid-2-onyl)-3-methyl butanoyl)amino-1,6-diphenylhexane; HIV therapy |
| 10/03/2007 | CN101045699A Whole liquid phase isothermal urea synthesis method and its special equipment |
| 10/03/2007 | CN100340320C Method for treating decomposed gas by low resistance vertical calandria type absorptive condenser |
| 09/26/2007 | CN200951396Y Improved bubble-cap plate |
| 09/25/2007 | CA2415551C Aniline derivatives |
| 09/20/2007 | WO2007105793A1 Method for nitrating isourea |
| 09/18/2007 | CA2416229C Alpha-acyl and alpha-heteroatom-substituted benzene acetamide glucokinase activators |
| 09/12/2007 | EP1831280A1 Method for producing colourless polyisocyanates that contain biuret groups and are stable in storage |
| 09/12/2007 | EP1831156A2 Particle size control for acetylenic agents useful in condition monitoring systems |
| 09/12/2007 | CN101033204A Biuret compounds for rheology control |
| 09/12/2007 | CN101033203A Method of preparing 1-(4-chloro-phenyl)-3-(3,4-dichloro-phenyl)-urea |
| 09/12/2007 | CN101033202A Organic acid stabilizer and preparation of its percarbonateamide |
| 09/12/2007 | CN100336804C Water phase high pressure method for preparing N,N'-di (m-tolyl) urea |
| 09/11/2007 | CA2255858C Phenyl derivatives containing an acidic group, their preparation and their use as chloride channel blockers |
| 08/30/2007 | WO2007029155A3 An improved process for preparation of pure celiprolol base |
| 08/23/2007 | WO2007093211A1 Process for the treatment of an aqueous mixture comprising a dipolar aprotic compound |
| 08/23/2007 | US20070197765 using a palladium-supporting crosslinked-polymer composition containing palladium clusters having a major-axis length of 20 nm or shorter to conduct the amidocarbonylation reaction among an aldehyde compound, an amide compound, and carbon monoxide |
| 08/22/2007 | EP1819666A1 Process for the removal of ammonia from an ammonia-containing gas stream |
| 08/21/2007 | US7259166 Substituted-cycloalkyl and oxygenated-cycloalkyl glucokinase activators |
| 08/16/2007 | WO2007091392A1 Process for production of o-methyl-n-nitroisourea |
| 08/16/2007 | WO2007091390A1 Improved method for producing nitroisourea derivative |
| 08/16/2007 | US20070191444 Benzimidazolyl derivatives |
| 08/08/2007 | EP1814823A1 Method for the production of urea from natural gas |
| 08/08/2007 | CN1330419C Method for regenerating urea dehydrogenation noble metal catalyst |
| 08/01/2007 | EP1812383A1 Glycogen phosphorylase inhibitor compounds and pharmaceutical compositions thereof |
| 08/01/2007 | CN1329386C Substituted phenylacetamides and their use as glucokinase activators |
| 07/26/2007 | US20070173502 Novel urea derivatives, method for preparing same, use thereof as medicines, pharmaceutical compositions and novel use |
| 07/25/2007 | EP1390340A4 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
| 07/19/2007 | DE102006002158A1 Verfahren zur Herstellung flüssiger, lagerstabiler Carboddimid- und/oder Uretonimingruppen aufweisender organischer Isocyanate Process for the preparation of liquid storable Carboddimid- and / or having uretoneimine Direction of organic isocyanates |
| 07/18/2007 | EP1807390A2 Arylalkyl ureas as cb1 antagonists |
| 07/18/2007 | CN100999486A Process of directly preparing urea by tripoly cyanamide |
| 07/11/2007 | EP1366021B1 Substituted diarylureas as stimulators for fas-mediated apoptosis |
| 07/10/2007 | US7241758 Aromatic compounds containing urea or thiourea groups are useful for terating cytokine mediated diseases |
| 07/04/2007 | CN1993317A Process for urea production from ammonia and carbon dioxide |
| 07/04/2007 | CN1993316A Catalytic methods for the production of (meth)acrylates from n-hydroxyalkylated amides |
| 06/27/2007 | EP1800727A1 Process for the treatment of an aqueous mixture comprising a dipolar aprotic compound |
| 06/27/2007 | EP1799635A1 Improved synthesis scheme for lacosamide |
| 06/27/2007 | CN1989102A Improved synthesis scheme for lacosamide |
| 06/27/2007 | CN1986524A Preparing process for biurea |
| 06/27/2007 | CN1986523A Preparing process of L-2-(3,4-dimethoxy benzyl)-2-ureido propionic acid |
| 06/20/2007 | EP1494972B1 Method for treating waste streams |
| 06/20/2007 | CN1321977C Method for concentrating thin urine using falling film type evaporation heater |
| 06/19/2007 | US7232927 Preparation of mono-N-sulphonylated diamines |
| 06/19/2007 | CA2357256C Process for the integrated preparation of ammonia and urea |
| 06/13/2007 | CN1980887A Process for the preparation of urea |