| 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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| 10/25/2006 | EP1714959A1 Process for urea production and related plant |
| 10/25/2006 | CN2830399Y Urea gas extractor |
| 10/25/2006 | CN2830398Y Urea evaporator |
| 10/25/2006 | CN2830397Y Urea synthetizing tower |
| 10/25/2006 | CN2830396Y Urea synthetizer |
| 10/25/2006 | CN1850793A Water phase high pressure method for preparing N,N'-di (m-tolyl) urea |
| 10/19/2006 | DE102005018949A1 Urea particle, useful as catalyst system of a motor vehicle for reduction of nitrogen oxides, where the particle exhibits specific a particle gross density, and specific average minimum feret's diameter with a relative standard deviation |
| 10/18/2006 | CN1280266C Acylphenylurea derivatives, a process for their preparation and their use as pharmaceuticals |
| 10/18/2006 | CN1280265C Method for the continuous production of tetra-substituted ureas |
| 10/04/2006 | CN1840523A Process and plant for the production of urea |
| 10/03/2006 | US7115784 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
| 10/03/2006 | CA2234638C New bis-platinum complexes with polymethylene derivatives as ligands having antitumor activity |
| 09/28/2006 | WO2006100563A1 Methods for carbon isotope labeling synthesis by transition metal-promoted carbonylation via isocyanate using azides and carbon-isotope monoxide |
| 09/14/2006 | WO2006096048A1 Process for the preparation of a urea-comprising aqueous stream |
| 09/14/2006 | WO2006094541A2 Process for urea production and related plant |
| 09/14/2006 | CA2599822A1 Process for urea production and related plant |
| 09/14/2006 | CA2597761A1 Process for the preparation of a urea-comprising aqueous stream |
| 09/13/2006 | EP1700847A1 Process for urea production and related plant |
| 09/12/2006 | US7105694 Reaction of cyanamide with isopropanol and sodium hydroxide and sulfuric acid |
| 09/12/2006 | US7105671 2-Substituted phenyl,3-polar ring,N-heroaromatic propion-amides, e.g., 1-(2-(3,4-Dichlorophenyl)-3-(tetrahydro-furan-2-yl)-propionyl)-3- methylurea; antidiabetic agents; increase the flux of glucose metabolism in beta-cells and hepatocytes |
| 09/06/2006 | EP1697438A2 Synthesis of acylureas and composition comprising acylureas |
| 09/06/2006 | CN1827595A Naphthurea composition for preparation of carrier generation materials and process for preparing same |
| 09/06/2006 | CN1827594A Process for synthesizing sec-butyl urea |
| 08/30/2006 | EP1694636A1 Methods for carbon isotope labeling synthesis by rhodium-promoted carbonylation via isocyanate using azides and carbon-isotope monoxide |
| 08/30/2006 | CN2811294Y Methylamine condenser in urea production device by carbon dioxide stripping method |
| 08/30/2006 | CN1826315A Stable liquid biuret modified and biuret allophanate modified toluene diisocyanates, prepolymers thereof, and processes for their preparation |
| 08/29/2006 | CA2380674C New compounds, manufacturing process, use as pigments and cosmetic composition |
| 08/24/2006 | US20060189578 Method for the synthesis of compounds of formula I and their uses thereof |
| 08/24/2006 | US20060188788 Solvents and novel electrolytic compositions having a large range of stability and high conductivity |
| 08/23/2006 | CN2808906Y Stripping tower of urea device using carbon dioxide stripping process |
| 08/23/2006 | CN1823037A Process for the preparation of urea granules |
| 08/22/2006 | US7094927 Process for increasing the capacity of a urea plant |
| 08/15/2006 | US7091379 Reacting ammonia and carbon dioxide to obtain a reaction mixture comprising urea, carbamate and free ammonia in aqueous solution, subjecting mixture to a stripping treatment with carbon dioxide feed as a stripping agent; feeding flow comprising urea and residual carbamate to a urea recovery section |
| 08/15/2006 | US7091242 Beta-amino acid derivatives as integrin receptor antagonists |
| 08/10/2006 | WO2006083166A1 Process for the production of melamine in a melamine production plant |
| 08/10/2006 | US20060178429 2-Phenyl-3-hydrogenated furanyl, pyranyl, thiophenyl or thiopyranyl-N-heteroaromatic propionamides, e.g., 2-(3,4-Dichloro-phenyl)-3-(tetrahydro-pyran-2-yl)-N-thiazol-2-yl-propionamide; compounds increase insulin secretion in the treatment of type II diabetes. |
| 08/10/2006 | US20060177574 Process for the preparation of urea granules |
| 08/09/2006 | EP1688511A1 Process for the production of urea in a conventional urea plant |
| 08/09/2006 | CN1816598A Carbon-substituted methyl amine derivatives and their use as a rheology control agent |
| 08/09/2006 | CN1268607C Novel compound, its preparation method and application as colouring matter and cosmetic composition |
| 08/02/2006 | CN1267402C Synthetic method for 3,5-dichloro-2,4-difluoronitrobenzene and teflubenzuron |
| 07/26/2006 | EP1683785A1 Urea derivative and process for producing the same |
| 07/26/2006 | EP1682255A1 Process for the preparation of urea granules |
| 07/26/2006 | CN1266112C Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
| 07/20/2006 | WO2006075000A1 A polyurea compound |
| 07/13/2006 | US20060155146 Rheology control agents |
| 07/12/2006 | CN1800157A Crotonylidene diurea production method |
| 07/12/2006 | CN1263734C Acyl-3-carboxyphenylurea derivatives, method for production and use thereof |
| 07/12/2006 | CN1263733C Substituted phenyl derivatives, their preparation and use |
| 07/11/2006 | US7074958 Integrated process for urea/melamine production and related plant |
| 07/11/2006 | US7074780 Substituted phenylcyclohexanecarboxamides and their use |
| 07/06/2006 | US20060148760 Method for the sysnthesis of compounds of formula I and their uses thereof |
| 07/04/2006 | US7071353 Catalytically reacting isocyanates with aromatic carboxylic acid to for colorless, unfoamed products |
| 07/04/2006 | US7071231 Especially Type II diabetes; stimulating the kinase activity of the insulin receptor; activating the insulin receptor |
| 06/28/2006 | CN1261391C Granulating method of urea |
| 06/27/2006 | US7067554 Method for the synthesis of compounds of formula I and their uses thereof |
| 06/22/2006 | WO2006063750A1 Method for producing colourless polyisocyanates that contain biuret groups and are stable in storage |
| 06/22/2006 | DE102004060739A1 Preparation of polyisocyanate containing biuret group comprises mixing di- and/or polyisocyanate; water (vapor) as biuret-forming agent; optionally catalyst, in a mixing device and leading the obtained reaction mixture into a reactor |
| 06/21/2006 | CN1789242A Method for preparing 2-substituted carbamide by reaction of amine and carbon dioxide |
| 06/21/2006 | CN1260209C Process for the preparation of urea |
| 06/21/2006 | CN1260208C Process for the preparation of urea |
| 06/15/2006 | WO2006061083A1 Process for increasing the capacity of an existing urea process |
| 06/15/2006 | WO2006061082A1 Process for the removal of ammonia from an ammonia-containing gas stream |
| 06/15/2006 | US20060128957 Fluorous tagging and scavenging reactants and methods of synthesis and use thereof |
| 06/15/2006 | US20060128633 Colchinol derivatives as vascular damaging agents |
| 06/15/2006 | CA2588774A1 Process for the removal of ammonia from an ammonia-containing gas stream |
| 06/15/2006 | CA2586286A1 Process for increasing the capacity of an existing urea process |
| 06/14/2006 | CN2787662Y Mixed diversion mechanism of urea-synthesizing tower |
| 06/13/2006 | US7060850 Fluorous tagging and scavenging reactants and methods of synthesis and use thereof |
| 06/13/2006 | US7060845 Stabilized activated derivatives of carbamic acid, their process of preparation and their use for the preparation of ureas |
| 06/08/2006 | WO2006060602A2 Particle size control for acetylenic agents useful in condition monitoring systems |
| 06/08/2006 | US20060122427 gel agents for hot melt or phase change inks; lower melting point; scratch resistance; |
| 06/08/2006 | DE102004058173A1 Lagerstabile aliphatische, cycloaliphatische oder (cyclo)aliphatische Diisocyanate Storage-stable aliphatic, cycloaliphatic or (cyclo) aliphatic diisocyanates |
| 06/07/2006 | EP1634869A9 Integrated process for urea/melamine production and related plant |
| 06/07/2006 | CN1781903A Process for the preparation of tetrasubstituted imidazole derivatives and novel crystalline structures thereof |
| 05/31/2006 | CN1778287A Increased moisturization efficacy using hydroxyalkylurea |
| 05/30/2006 | US7053244 Method for the continuous production of tetra-substituted ureas |
| 05/30/2006 | US7052655 Separating unreacted ammonia and unreacted carbon dioxide from the reaction mixture by stripping the mixture with the carbon dioxide feedstock at a pressure equal to the urea synthesis pressure |
| 05/30/2006 | CA2158826C Process for the preparation of urea |
| 05/25/2006 | US20060110343 Cosmetic or dermopharmaceutical compositions comprising tyramine derivatives, method for preparing same, and use thereof |
| 05/18/2006 | WO2006052722A1 Glycogen phosphorylase inhibitor compounds and pharmaceutical compositions thereof |
| 05/18/2006 | CA2586446A1 Glycogen phosphorylase inhibitor compounds and pharmaceutical compositions thereof |
| 05/18/2006 | CA2579227A1 Arylalkyl ureas as cb1 antagonists |
| 05/17/2006 | EP1656332A1 Method and system for treating waste matter from animals containing urea |
| 05/11/2006 | US20060099118 Plant for urea production |
| 04/27/2006 | DE102004051026A1 Kristallisationsstabile MDI-Allophanate nach einem zweistufigen Verfahren Stable crystallization MDI allophanates according to a two step process |
| 04/26/2006 | CN1762989A Semicarbazone synthesis method |
| 04/26/2006 | CN1762988A Blocked biuretized isocyanates |
| 04/26/2006 | CN1762987A Biuretized polyisocyanates and blocked biuretized polyisocyanates |
| 04/25/2006 | US7033522 Reacting a polyisocyanate with a hydrophilicizing component; reacting free isocyanate groups with a blocking agents, and optionally neutralizing; curing agents for polyurethane and acrylic dispersions. |
| 04/20/2006 | DE102004049774A1 Verfahren zur Herstellung von Harnstoff aus Erdgas A process for the production of urea from natural gas |
| 04/20/2006 | CA2523401A1 Crystallization-stable mdi allophanates by a two-stage process |
| 04/19/2006 | CN1761653A Processes for the preparation of N-heteroaryl-N-aryl-amines by reacting an N-aryl carbamic acid ester with a halo-heteroaryl and analogous processes |
| 04/18/2006 | US7030263 By reacting a lactone or hydroxy carboxylic acid with a compound having a carbamate or urea group and an active hydrogen capable of reacting with the acid or lactone; use in curable coatings such as clear coats; mar resistance |
| 04/18/2006 | US7030261 reacting 2-hydroxy-6-aminocarbonyl naphthalene and an isocyanate in an organic solvent at a temperature of 90-200 degrees C.; high speed, high yields |
| 04/18/2006 | US7030214 Ureins derived from α, ω, diamino acids and process for their preparation |
| 04/13/2006 | WO2006037574A1 Improved synthesis scheme for lacosamide |
| 04/13/2006 | CA2570598A1 Improved synthesis scheme for lacosamide |
| 04/11/2006 | US7026498 Coordination catalyst containing ligand |
| 04/11/2006 | US7026357 Diphenylurea compounds |