| 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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| 06/11/2014 | CN102503850B Hydroxyl-contained N-acylamino acid and preparation method thereof |
| 06/10/2014 | US8748411 Antineoplastic compounds and pharmaceutical compositions thereof |
| 06/04/2014 | CN102924335B Preparation method of carbasalate calcium |
| 06/04/2014 | CN102906067B Method for revamping self-stripping urea plant and process for synthesis of urea |
| 06/03/2014 | US8742052 Polyurea compound |
| 05/30/2014 | WO2014078895A1 Omega-3 analogues |
| 05/28/2014 | CN203613126U 一种节能高效的尿素低压分解系统 An energy efficient low pressure urea decomposition system |
| 05/28/2014 | CN103827081A 最后的浓缩器与造粒塔之间的熔融尿素输送时间短的尿素制备方法 The final concentrator preparation time is short urea prilling tower between the molten urea transport |
| 05/28/2014 | CN103819365A CO<sub>2</sub>气提并/串联中压尿素节能增产新工艺 CO <sub> 2 </ sub> stripping and / tandem increase in pressure urea saving new technology |
| 05/21/2014 | CN103804237A 一种降低中压放空气体中氨含量及其燃爆性的方法 A medium pressure gas venting ammonia content and blasting of ways to reduce |
| 05/20/2014 | US8731754 Controller and control method for a motorised vehicle |
| 05/20/2014 | US8728504 Process for solubilizing hydrophobic active ingredients in aqueous medium |
| 05/14/2014 | CN103788208A 一种抗除草剂伏草隆的特异性抗体 An anti-herbicide fluometuron specific antibodies |
| 05/14/2014 | CN102659637B 一种制备双羟基脲的新方法 A new method for preparing double hydroxyurea |
| 05/13/2014 | US8721975 Plant for urea production |
| 05/07/2014 | CN103781761A 一种采用自然-循环合成回路的二氧化碳汽提尿素装置及改装该装置的方法 A use of natural - synthesis loop cycle carbon dioxide stripping device and method of urea modification of the device |
| 05/07/2014 | CN103772238A 一类新的含酯基芳香丙酰胺化合物及其制备方法和用途 A new class of aromatic ester-amide-containing compounds and their preparation and use |
| 05/01/2014 | WO2014065327A1 Acrylic or methacrylic compound having hydroxyl group, and method for producing same |
| 04/30/2014 | EP2723679A1 Process for producing a syngas intermediate suitable for the production of hydrogen |
| 04/30/2014 | EP2723676A1 Process for producing ammonia and urea |
| 04/30/2014 | CN103764564A Process and plant for ammonia-urea production |
| 04/30/2014 | CN103755597A Application of unilaterally-substituted phenyl urea compound |
| 04/29/2014 | USRE44874 Phenethanolamine derivatives for treatment of respiratory diseases |
| 04/23/2014 | CN103748071A Urea finishing method |
| 04/23/2014 | CN103739522A Clean process for preparing diphenyl urea by urea method |
| 04/23/2014 | CN103739521A Device used for producing urea with wind energy |
| 04/22/2014 | US8703671 Process and apparatus for preparing a urea grease |
| 04/17/2014 | WO2014033160A3 Urea passivation technique and new product passivated urea, to make urea or urea-based compound universally blendable |
| 04/17/2014 | US20140103260 Process for producing a syngas intermediate suitable for the production of hydrogen |
| 04/16/2014 | CN103724234A Method for preparing polyisocyanate containing biuret |
| 04/16/2014 | CN103724233A Synthesis method of novaluron |
| 04/16/2014 | CN103724232A Energy-saving optimization technology of deep hydrolysis system for improving urea production capacity |
| 04/09/2014 | CN103709097A 1,3-substituted carbamide or thiourea compound, preparation method thereof, pharmaceutical composition and application |
| 04/09/2014 | CN103709076A Method for continuously preparing biuret polyisocyanate |
| 04/02/2014 | CN103694144A 3-vinyl substituted urea derivatives and preparation method thereof |
| 04/02/2014 | CN103694143A Device for continuously producing urea phosphate from wet-process phosphoric acid |
| 04/02/2014 | CN101679225B Method for the synthesis of (z)-3-[2-butoxy-3'-(3-heptyl-1-methyl-ureido)-biphenyl-4-yl]-2-methoxy-acrylic acid |
| 03/26/2014 | CN203494498U High-efficiency mass transferring tray of urea synthesis tower |
| 03/26/2014 | CN103664705A Citrulline nitrate synthesizing method |
| 03/26/2014 | CN103664704A Method for synthesizing N,N'-disubstituent urea |
| 03/26/2014 | CN102372655B Carbonyl tetraamine compound and preparation method thereof |
| 03/20/2014 | US20140081046 High-yield process for the synthesis of urea |
| 03/19/2014 | EP2707355A1 High-yield process for the synthesis of urea |
| 03/19/2014 | CN103648971A Process for producing a syngas intermediate suitable for the production of hydrogen |
| 03/19/2014 | CN103648970A Process for producing ammonia and urea |
| 03/19/2014 | CN101932555B Process for the preparation of urethanes |
| 03/19/2014 | CN101735113B Urea derivatives, preparation method and use thereof |
| 03/13/2014 | WO2013190509A3 Preparation of intermediates of boceprevir |
| 03/12/2014 | CN103626679A Cooler waste-heat utilization device |
| 03/06/2014 | WO2013108191A9 A method of forming urea by integration of an ammonia production process in a urea production process and a system therefor |
| 03/05/2014 | CN203461991U Installing device for whirlcone of urea stripping tower |
| 03/05/2014 | CN102659636B Alkali-free production technology of centralite II |
| 03/05/2014 | CN101701006B Phenethanolamine derivatives for treatment of respiratory diseases |
| 02/26/2014 | CN102391155B Urea phosphate production method |
| 02/20/2014 | WO2014027929A1 Urea production process and plant and method for modernizing a urea production plant |
| 02/19/2014 | CN203440268U Heat recovery device in urea production device |
| 02/19/2014 | CN103588713A Multi-target ubenimex prodrug derivative, as well as preparation method and application thereof |
| 02/19/2014 | CN102850240B Preparation method of asymmetric carbamide derivatives |
| 02/19/2014 | CN102196844B Defoaming agent for defoaming lacquers |
| 02/13/2014 | US20140046094 Zero emission urea process and plant |
| 02/12/2014 | CN103570588A Urea synthesis device and urea synthesis method |
| 02/12/2014 | CN102046593B Process for increasing capacity of existing urea plant |
| 02/05/2014 | EP2691365A1 Zero emission urea process and plant |
| 02/05/2014 | CN103562179A High-yield process for the synthesis of urea |
| 02/05/2014 | CN103553973A o-nitroaroyl beta-chloroethyl nitrosourea compounds, preparation and use thereof |
| 02/04/2014 | CA2586286C Process for increasing the capacity of an existing urea process |
| 01/30/2014 | WO2014016745A1 Process for the preparation of isobutylidene diurea |
| 01/30/2014 | WO2014016090A1 Concentration of the urea solution in a process for the synthesis of urea |
| 01/30/2014 | WO2014016089A1 Use of urea synthesis purge gas in an integrated ammonia-urea process and related plant |
| 01/30/2014 | WO2013079614A3 Process for continuous isocyanate modification |
| 01/29/2014 | EP2690090A1 Concentration of the urea solution in a process for the synthesis of urea |
| 01/29/2014 | EP2690089A1 Use of urea synthesis purge gas in an integrated ammonia-urea process and related plant. |
| 01/29/2014 | EP2688865A1 Method for treating offgases from a melamine plant |
| 01/29/2014 | EP2688840A1 Process and plant for ammonia-urea production |
| 01/29/2014 | CN103539705A Clean production process of m-carbamidoaniline hydrochloride |
| 01/29/2014 | CN103539704A Method for preparing diuron |
| 01/29/2014 | CN103539703A Synthesis method of 2-(3-isobutyl ureido) acetate |
| 01/22/2014 | CN103524382A Two aldimine, emulsion containing two aldimine, two-component polyurethane composition as well as its application |
| 01/16/2014 | US20140018575 Process and Plant for Ammonia-Urea Production |
| 01/16/2014 | US20140018432 Electrochemical generation of chlorinated urea derivatives |
| 01/15/2014 | CN203393072U Low-energy CO2 vaporizing extract process urea system |
| 01/09/2014 | US20140012038 Enantiomerically pure binaphthol derivatives and method for preparing the same |
| 01/08/2014 | EP2681189A1 Process for preparing polyisocyanates containing biuret groups |
| 01/08/2014 | CN203379628U Medium pressure steam-stripping decomposition tower of urea production equipment |
| 01/08/2014 | CN103497124A Method for reducing carbon dioxide gas temperature by using air-separation liquid product cold energy |
| 01/03/2014 | WO2014001917A2 Polygeneration production of power and fertilizer through emissions capture |
| 01/03/2014 | WO2014001672A1 Method and installation for the combined production of ammonia synthesis gas and carbon dioxide |
| 01/03/2014 | CA2875696A1 Polygeneration production of power and fertilizer through emissions capture |
| 01/02/2014 | US20140005436 Method for Treating Offgases from a Melamine Plant |
| 01/01/2014 | CN203373296U Carbon dioxide steam stripping urea yield increase energy-saving device |
| 12/31/2013 | US8618325 Modularized system and method for urea production using a bio-mass feedstock |
| 12/31/2013 | CA2599822C Process for urea production and related plant |
| 12/25/2013 | CN103467344A Method for recovering urea from tetracycline urea compound salt crystallization mother liquor and recycling urea |
| 12/25/2013 | CN102702476B Preparation method for hexamethylene diisocyanate biruet |
| 12/25/2013 | CN102408357B High-adhesion polyurethane acrylate and synthesis method thereof |
| 12/18/2013 | CN203342780U Tower plate device of urea synthesis tower |
| 12/18/2013 | CN102603573B Method for synthesizing raw fluometuron drug |
| 12/18/2013 | CN102304104B TRPV1 (transient receptor potential cation channel, subfamily V, member 1) antagonists, and preparation method and medical application thereof |
| 12/17/2013 | US8609881 Cure accelerators for anaerobic curable compositions |
| 12/17/2013 | CA2570598C Improved synthesis scheme for lacosamide |