| 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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| 04/03/2003 | US20030065187 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
| 04/03/2003 | CA2461685A1 Integrated urea manufacturing plants and processes |
| 03/26/2003 | EP1294682A1 Acylphenyl urea derivatives, methods for the production thereof and use thereof as a medicament |
| 03/25/2003 | US6538157 Forming ammonium carbamate from ammonia and carbon dioxide, dehydrating to urea and water, removing water as vapor through water selective pervaporation membrane having higher pressure on reaction mixture side |
| 03/25/2003 | US6538094 Process for synthesis of allophanate compounds and compositions including the product thereof |
| 03/20/2003 | US20030055273 Dianthraquinone compounds |
| 03/13/2003 | US20030050498 Method of preparing a carbamate- or urea-functional compound |
| 03/12/2003 | EP1289943A1 Process for decomposing a carbamate aqueous solution coming from the urea recovery section of a urea production plant |
| 03/12/2003 | EP1289942A1 Process and plant for the production of urea |
| 03/12/2003 | EP1289939A1 Phenylglycine derivatives |
| 03/07/2003 | WO2002020472A1 Substituted phenylcyclohexane carboxylic acid amides and the use thereof |
| 03/07/2003 | CA2421781A1 Substituted phenylcyclohexane carboxylic acid amides and the use thereof |
| 03/05/2003 | EP0796244B2 Process and plant for the production of urea with high conversion yield and low energy consumption |
| 03/05/2003 | CN1400206A Method for raising production capacity of evaporation system of urea equipment |
| 02/26/2003 | EP1284959A1 Compounds for modulating the rage receptor |
| 02/25/2003 | US6525219 4-amino-2-hydroxy-5-substituted-acylanilide compounds and method of using them |
| 02/20/2003 | WO2002024635A3 Aminoalcohol derivatives |
| 02/19/2003 | EP1284145A1 2-(3,4-Dihydroxyphenyl)ethyl substituted carbonic acid derivatives and their use |
| 02/19/2003 | CN1398247A Colchinol derivatives as vascular damaging agents |
| 02/17/2003 | CA2398112A1 2-(3,4-dihydroxyphenyl)ethyl-substituted carbonic acid derivatives and their use |
| 02/12/2003 | EP1282611A1 Substituted phenylacetamides and their use as glucokinase activators |
| 02/11/2003 | US6518457 Urea synthesis process |
| 02/06/2003 | WO2003010129A1 Process for the preparation of (r)- or (s)-aminocarnitine inner salt, the salts and derivatives thereof |
| 02/06/2003 | CA2453019A1 Process for the preparation of (r)- or (s)-aminocarnitine inner salt, the salts and derivatives thereof |
| 02/05/2003 | CN2534181Y Improved urea drum cooler |
| 02/05/2003 | CN1394852A Preparation method of tetrabutyl urea |
| 02/05/2003 | CN1100753C Process for preparing crystal O-methyl-isourea acetate |
| 02/04/2003 | US6514665 Additives for improving post exposure delay stability of photoresist |
| 01/29/2003 | EP1279663A1 Urea synthesis process |
| 01/29/2003 | CN1393441A Process for improving strength of urea particles |
| 01/23/2003 | US20030018080 N-methoxymethyl-5,5-diphenylbarbituric acid |
| 01/22/2003 | EP1276714A2 Cyclic carboxylic acids as integrin antagonists |
| 01/22/2003 | CN1099411C Process for clarifying gas containing urea powder |
| 01/16/2003 | WO2002076930A3 Substituted diarylureas as stimulators for fas-mediated apoptosis |
| 01/16/2003 | US20030013914 Process for decomposing a carbamate aqueous solution coming from the urea recovery section of a urea production plant |
| 01/14/2003 | US6506778 Acylphenylurea derivatives, a process for their preparation and their use as pharmaceuticals |
| 01/14/2003 | US6506733 Compounds and compositions as protease inhibitors |
| 01/14/2003 | US6506701 Polymer-supported quenching reagent covalently reacts with unreacted starting materials |
| 01/14/2003 | US6506305 Methods of isolating urea, urea compositions and methods for producing the same |
| 01/14/2003 | CA2222303C Use of at least one no synthase inhibitor for treating sensitive skin |
| 01/09/2003 | WO2002059102A3 Urea derivatives, method for preparing same, use thereof as medicines, pharmaceutical compositions and use |
| 01/09/2003 | US20030008881 Substituted phenylcyclohexanecarboxamides and their use |
| 01/08/2003 | CN2529871Y Granular quick-smelting appts. |
| 01/08/2003 | CN1098234C Process for preparing granular urea |
| 12/26/2002 | US20020198200 Alpha-acyl- and alpha-heteroatom-substituted benzene acetamide glucokinase activators |
| 12/18/2002 | CN1096289C Hydrolysis reactor for removal of urea ammonia and carbon dioxide from liquid phase comprising urea in aqueous solution |
| 12/12/2002 | US20020188157 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 |
| 12/11/2002 | EP0920456B1 Phosgenated oxime resins and their preparation |
| 12/11/2002 | CN1384045A Gasifying process for production of ammonia and urea |
| 12/11/2002 | CN1095831C Vacuumizing process for preparing urea by full aqueous solution cycle method |
| 12/10/2002 | US6492393 Compounds useful as anti-inflammatory agents |
| 12/05/2002 | CA2411082A1 Acylphenyl urea derivatives, methods for the production thereof and use thereof as a medicament |
| 11/27/2002 | CN2522419Y Wave-shape urca synthesizing tower plate |
| 11/27/2002 | CN1381442A Process for preparing biurea |
| 11/27/2002 | CN1094943C Urethanes and ureas that induce cytokine production |
| 11/26/2002 | US6486184 1-(cyclopentyloxy-(3,4-dichloro- phenyl)-acetyl)-3-methyl-urea for example; use in treating hyperglycemia characteristic of all type ii diabetes |
| 11/21/2002 | WO2002092574A1 Substituted benzoylcyclohexenones and their use as herbicidal agents |
| 11/21/2002 | CA2447416A1 Substituted benzoylcyclohexenones and their use as herbicidal agents |
| 11/20/2002 | CN1380285A Novel compound, its preparation method and application as colouring matter and cosmetic composition |
| 11/15/2002 | CA2347106A1 Garbage processing plant |
| 11/14/2002 | WO2002090323A1 Process for the preparation of urea |
| 11/14/2002 | WO2002090250A1 Gasification process for ammonia/urea production |
| 11/13/2002 | EP0877731B1 Aqueous emuslions comprising fluorocarbon-containing isocyanate derivatives as soil-resist agents |
| 11/06/2002 | CN1377877A Process for producing large particle urea using finished ureea of prilling tower as seed crystal |
| 11/05/2002 | US6476262 Reacting ammonia and carbon dioxide |
| 11/05/2002 | US6476224 N-(4-cyano-2,5- difluoro-phenyl) -3-(dimethylaminocarbonylamino)-4,4,4-trifluoro-2-butenamide and 1,2-dimethoxyethane are heated to form ar(alk)yl uracil compound |
| 11/05/2002 | US6476026 Compounds and compositions as protease inhibitors |
| 10/31/2002 | WO2002085838A1 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
| 10/31/2002 | WO2002085836A1 Binaphtol derivative and process for producing the same |
| 10/31/2002 | WO2002085829A1 Process for production of dimers of aromatic monohydroxyl compounds |
| 10/30/2002 | EP1252152A1 Urea compounds as inhibitors for vla-4 |
| 10/30/2002 | CN1376668A Full-circulating process for preparing urea |
| 10/29/2002 | US6472529 Viricides |
| 10/24/2002 | WO2002083627A2 Ligands des integrins avss6 |
| 10/24/2002 | CA2444247A1 Inhibitors of integrin .alpha.v.beta.6 |
| 10/23/2002 | EP1251121A1 Anthraquinone derivatives, process for their preparation and use as pigments and cosmetic compositions |
| 10/17/2002 | US20020151749 Process and plant for the production of urea |
| 10/17/2002 | US20020151586 Antidiabetic agents |
| 10/17/2002 | DE10118550A1 New 3-ethanoylamino-3-phenyl-propionic acid derivatives, are integrin agonists or antagonists useful e.g. for treating angiogenic, cardiovascular, inflammatory, osteolytic or tumor diseases or infections |
| 10/16/2002 | EP0920434B1 Bis-platinum complexes with polymethylene derivatives as ligands having antitumor activity |
| 10/16/2002 | EP0906273B1 Phenyl derivatives containing an acidic group, their preparation and their use as chloride channel blockers |
| 10/16/2002 | CN1374295A Prepn of biurea |
| 10/16/2002 | CN1374294A Polyisocyanate containing acyl urea group, its producing process and its application |
| 10/09/2002 | EP0819106B1 Process for preparing granular urea |
| 10/03/2002 | WO2002076930A2 Substituted diarylureas as stimulators for fas-mediated apoptosis |
| 10/03/2002 | US20020143191 Novel stabilized activated derivatives of carbamic acid, their process of preparation and their use for the preparation of ureas |
| 10/03/2002 | CA2434020A1 Substituted diarylureas as stimulators for fas-mediated apoptosis |
| 10/01/2002 | US6458998 Naphthaleneureas as antidiabetic agents |
| 09/26/2002 | WO2002074734A1 Method for the production of urea |
| 09/26/2002 | CA2440896A1 Method for the production of urea |
| 09/24/2002 | US6455515 Salicylohydrazide derivatives, processes and intermediates for their preparation, compositions comprising them, and their use |
| 09/24/2002 | US6455502 Compounds and compositions as protease inhibitors |
| 09/19/2002 | DE10110437A1 Verfahren zur Herstellung von Polyisocyanaten durch Umsetzung von Carbonsäuren mit Isocyanaten, die nach diesem Verfahren hergestellten Produkte und deren Verwendung in Polyurethankunststoffen A process for the preparation of polyisocyanates by the reaction of carboxylic acids with isocyanates, the products prepared by this process and their use in polyurethane plastics |
| 09/18/2002 | EP1241161A1 Method for the production of urea |
| 09/11/2002 | EP1238993A1 Process for the preparation of polyisocyanates by reaction of carboxylic acids with isocyanates, products prepared by this process and their use in polyurethanes |
| 09/10/2002 | US6448441 Gasification process for ammonia/urea production |
| 09/10/2002 | CA2046772C Carbon dioxide production from combustion exhaust gases with nitrogen and argon by-product recovery |
| 09/05/2002 | US20020123596 Polyisocyanates containing acylurea groups, a process for their production and their use |
| 09/04/2002 | EP1235793A2 Vla-4 integrin antagonists |
| 09/04/2002 | CN1367134A Dehydrogenation method of CO2 raw material gas for synthesizing urea |