| 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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| 07/21/2011 | US20110178212 Method for Producing a Compound with at Least One at Least Monosubstituted Amino Group |
| 07/20/2011 | CN1993316B Catalytic methods for the production of (meth)acrylates from n-hydroxyalkylated amides |
| 07/19/2011 | US7982068 Process for urea production and related plant |
| 07/19/2011 | US7982067 Phenethanolamine derivatives for treatment of respiratory diseases |
| 07/14/2011 | WO2011084060A1 A urea stripping process for the production of urea |
| 07/14/2011 | CA2779841A1 A urea stripping process for the production of urea |
| 07/13/2011 | EP2343274A1 A urea stripping process for the production of urea |
| 07/06/2011 | CN201890853U Air stripping urea device |
| 07/06/2011 | CN102119148A Process for the production of urea from ammonia and carbon dioxide |
| 07/06/2011 | CN101175717B Method for concentrating an aqueous ammonium carbamate stream |
| 06/30/2011 | US20110160486 Process for the production of urea from ammonia and carbon dioxide |
| 06/29/2011 | CN102112209A Process and plant for the production of a urea solution for use in SCR process for reduction of NOx |
| 06/28/2011 | US7968707 Reacting an amino, hydroxy substituted amide with a heterocyclic substituted carboxylic acid to produce (2S,3S,5S)-2-(2,6-Dimethylphenoxyacetyl) amino-3-hydroxy-5-[2S-1-imidazolidin-2-onyl)-3-methyl-butanoyl] amino-1,6-diphenylhexane; inhibitors of HIV infection |
| 06/28/2011 | CA2445589C Process for the preparation of urea |
| 06/22/2011 | CN102101834A Energy-saving modification method of CO2-stripping urea device |
| 06/22/2011 | CN101696260B Polarimetric polyurethane-urea infrared low emissivity material and preparation method thereof |
| 06/16/2011 | WO2011017201A3 Dp2 antagonist and uses thereof |
| 06/16/2011 | US20110144389 Modularized System and Method for Urea Production Using a Bio-Mass Feedstock |
| 06/16/2011 | US20110142760 Psma-binding agents and uses thereof |
| 06/15/2011 | CN102099328A Process for the production of urea from ammonia and carbon dioxide |
| 06/15/2011 | CN102093299A Method for producing melamine and urea |
| 06/14/2011 | CA2641542C Improved process for producing nitroisourea derivatives |
| 06/08/2011 | EP1893563B1 Production of n-aryl carbamates and n-aryl isocyanates |
| 05/25/2011 | CN102070492A Method for synthesizing (S)-2-hydroxy-2'-(3-phenylureaphenyl)-1,1'-binaphthyl-3-formaldehyde |
| 05/24/2011 | CA2462288C Process for the preparation of urea |
| 05/19/2011 | US20110118506 Process for the production of urea from ammonia and carbon dioxide |
| 05/18/2011 | EP2321390A1 Modularized system and method for urea production using a bio-mass feedstock |
| 05/18/2011 | CN101230022B Series production technology of biurea |
| 05/17/2011 | CA2430655C Process for the preparation of urea |
| 05/11/2011 | EP2318123A1 PROCESS AND PLANT FOR THE PRODUCTION OF A UREA SOLUTION FOR USE IN SCR PROCESS FOR REDUCTION OF NOx |
| 05/11/2011 | CN101072805B Method for producing colourless polyisocyanates that contain biuret groups and are stable in storage |
| 05/05/2011 | US20110105654 Method for Producing a Compound with at Least One at Least Monosubstituted Amino Group |
| 05/04/2011 | CN102046593A Process for increasing the capacity of an existing urea plant |
| 05/04/2011 | CN102040544A Method for continuously producing feed grade urea phosphate by using wet purified phosphoric acid |
| 05/04/2011 | CN101607168B Process and equipment for treating melamine tail gas |
| 04/28/2011 | US20110094277 Nano-scale urea particles and methods of making and using the particles |
| 04/27/2011 | CN102030684A Clean production method for symmetrical N,N'-dialkylurea |
| 04/27/2011 | CN101279932B Preparation of N,N'-dicyclohexylurea |
| 04/21/2011 | US20110091369 Method for the recovery of ammonia from a gaseous stream in a synthesis process of urea |
| 04/20/2011 | CN102020592A Urea carbamate methyl substituted arly ester with bactericidal activity |
| 04/20/2011 | CN102020591A Low temperature curable epoxy compositions containing urea curatives |
| 04/20/2011 | CN102020590A Improved device of low-pressure system of carbon dioxide air stripping urea device |
| 04/13/2011 | CN201793510U Structure for internal parts of urea synthesizer |
| 04/13/2011 | CN101340959B Process for the treatment of an aqueous mixture comprising a dipolar aprotic compound |
| 04/07/2011 | WO2011038579A1 Compounds and compositions as protein kinase inhibitors |
| 04/06/2011 | CN201783322U Ammonium carbamate solution energy recovery device for CO2 stripping tower |
| 04/06/2011 | CN102001970A Method for preparing diphenylsulfourea by directly reacting urea with phenylamine through nitrogen gas stripping |
| 04/06/2011 | CN102001969A Method for shifting ammonia in diphenyl urea reaction system by nitrogen |
| 03/30/2011 | EP2301917A1 Removal of urea and ammonia from exhaust gases |
| 03/30/2011 | CN101993396A Process for the preparation of polyisocyanates with a biuret structure |
| 03/30/2011 | CN101991962A Low-energy consumption urea evaporator |
| 03/30/2011 | CN101157012B Urea granulation temperature reduction dust collection method and apparatus |
| 03/24/2011 | WO2011032786A1 Removal of urea and ammonia from exhaust gases |
| 03/24/2011 | US20110071125 Substituted phenylamino-benzene derivatives useful for treating hyper-proliferative disorders and diseases associated with mitogen extracellular kinase activity |
| 03/24/2011 | CA2774246A1 Removal of urea and ammonia from exhaust gases |
| 03/23/2011 | EP2297094A1 Process for the production of urea from ammonia and carbon dioxide |
| 03/23/2011 | EP2297093A1 Process for the production of urea from ammonia and carbon dioxide |
| 03/17/2011 | WO2011029625A1 Method for the separation of ammonia and carbon dioxide from aqueous solutions |
| 03/17/2011 | US20110065958 Low Temperature Curable Epoxy Compositions Containing Urea Curatives |
| 03/17/2011 | CA2772971A1 Method for the separation of ammonia and carbon dioxide from aqueous solutions |
| 03/02/2011 | EP1697438B1 Synthesis of acylureas and composition comprising acylureas |
| 02/23/2011 | EP2287151A1 Method for producing polyisocyanates with biuret structure |
| 02/10/2011 | WO2011017201A2 Dp2 antagonist and uses thereof |
| 02/10/2011 | CA2768587A1 Dp2 antagonist and uses thereof |
| 02/09/2011 | CN101967114A Continuous production method and continuous production device for synthesizing biruea |
| 02/02/2011 | EP2279170A1 Process for increasing the capacity of an existing urea plant |
| 02/02/2011 | CN201729783U Urea synthesizing tower |
| 02/02/2011 | CN101333176B Method for preparing substituent urea and co-producing hydrochloride of corresponding amines |
| 01/26/2011 | EP2276749A1 Method for producing a compound with at least one at least monosubstituted amino group |
| 01/26/2011 | CN1972906B Method of improving the crushing strength and reducing the dust formation and the caking tendency of urea, and urea composition |
| 01/26/2011 | CN101959851A Apparatus and methods for urea production |
| 01/25/2011 | US7875693 Synthesis of biurets and isocyanates with alkoxysilane functions, formulations containing same and use thereof |
| 01/19/2011 | EP2275395A2 Copper-catalyzed formation of carbon-carbon bonds |
| 01/19/2011 | CN201711138U Urea synthesis reactor porous plate |
| 01/19/2011 | CN101948411A Method for synthesizing carbon-14 labeled urea |
| 01/13/2011 | US20110008253 Process for production of heterodimers of glutamic acid |
| 01/12/2011 | EP2272813A2 Copper-catalyzed formation of carbon-oxygen bonds |
| 01/12/2011 | CN201704243U Recovery equipment of hydrolysis desorption energy |
| 01/12/2011 | CN101942357A Method for isolating jatropha curcas oil polyunsaturated fatty acids |
| 01/11/2011 | CA2641544C Process for producing o-methyl-n-nitroisourea |
| 01/11/2011 | CA2546181C Process for the preparation of urea |
| 01/11/2011 | CA2373887C Polyisocyanates containing acylurea groups, a process for their production and their use |
| 01/05/2011 | EP2268610A1 Method for producing a compound with at least one at least monosubstituted amino group |
| 12/30/2010 | US20100331416 Use of Monochlorourea to Treat Industrial Waters |
| 12/29/2010 | WO2010151726A1 Use of monochlorourea to treat industrial waters |
| 12/29/2010 | CN101932555A Process for the preparation of urethanes |
| 12/29/2010 | CA2763212A1 Use of monochlorourea to treat industrial waters |
| 12/23/2010 | WO2010147965A2 Process for production of heterodimers of glutamic acid |
| 12/23/2010 | US20100319580 Modified glycidyl carbamate resins |
| 12/22/2010 | CN201676671U Urea fluidization and dust removal device |
| 12/15/2010 | CN201670812U Film falling type urea solution concentrating device by flash-evaporatiion |
| 12/15/2010 | CN201670811U Outgas heat energy utilizing device of second urea separation tower |
| 12/15/2010 | CN101918357A Process and plant for urea production |
| 12/15/2010 | CN101918115A Method for the recovery of ammonia from a gaseous stream in an synthesis process of urea |
| 12/15/2010 | CN101914042A Preparation method of nicarbazin midbody 4,4'- binitro sym-diphenylurea |
| 12/15/2010 | CN101914041A Refining method for medicinal urea |
| 12/15/2010 | CN101137619B Process for the preparation of a urea-comprising aqueous stream |
| 12/09/2010 | WO2010139028A1 Method and integrated system for producing electric power and fertiliser |
| 12/09/2010 | WO2010110555A3 Method for obtaining optically pure amino acids |
| 12/09/2010 | CA2765859A1 Method and integrated system for producing electric power and fertiliser |