| 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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| 02/17/2015 | US8957251 Pactamycin analogs and methods of making thereof |
| 02/17/2015 | US8956452 Method for producing rheologically effective urea urethanes in organic salts |
| 02/11/2015 | CN204151266U 尿素废料回收装置 Urea Waste Recovery |
| 02/11/2015 | CN104341322A 由具有任何组成的废弃物,优选家庭废弃物,制备尿素的方法 Having any composition of the waste, preferably household waste, preparation of urea |
| 02/11/2015 | CN104341321A 一种车用尿素的制备方法 A vehicular preparation of urea |
| 02/11/2015 | CN104341316A 一类二芳酰胺类衍生物及其制备方法、药物组合物及用途 A class of two aromatic amide derivatives and their preparation, pharmaceutical compositions and uses |
| 02/05/2015 | US20150038599 Process for co-producing commercially valuable products from byproducts of heavy oil and bitumen upgrading process |
| 01/29/2015 | US20150031916 Method of manufacturing urea from refuse, preferably domestic waste, of any composition |
| 01/29/2015 | US20150026943 Urea finishing method |
| 01/28/2015 | EP2828329A1 Polyamide compositions with improved optical properties |
| 01/28/2015 | EP2828236A1 Method for preparing biocidal aqueous compositions |
| 01/28/2015 | CN104321305A 由氨和二氧化碳制备尿素的方法和装置 By a method and apparatus for preparing urea ammonia and carbon dioxide |
| 01/28/2015 | CN104321292A 具有洗涤系统的尿素造粒工艺 Urea granulation process has washing system |
| 01/27/2015 | US8940926 Method for producing carbamate, method for producing isocyanate, carbamate production system, and isocyanate production system |
| 01/22/2015 | WO2015009195A1 Optical isomers of (+) and (-)-benzhydryl ureas and (+) and (-)-1-[(3-chlorophenyl)-phenyl-methyl] urea, a pharmaceutical composition based thereon and a method for producing said optical isomers |
| 01/22/2015 | US20150025273 Process for the synthesis of urea comprising a passivation stream at the stripper bottom |
| 01/21/2015 | CN204111628U 一种车用尿素制备系统 A vehicular urea preparation system |
| 01/21/2015 | CN102971288B 二氨基苯基烷基脲的新制造方法 The new method for producing a diamino phenylalkyl urea |
| 01/14/2015 | CN104284883A 尿素制备设备 Urea Preparation Equipment |
| 01/14/2015 | CN103553973B 邻硝基芳酰基β-氯乙基亚硝基脲类化合物及制备和用途 O-aroyl β- Ethylnitrosourea chlorine compounds and the preparation and use |
| 01/14/2015 | CN103059261B 改性二苯基甲烷二异氰酸酯缩二脲固化剂及其制备方法 Modified diphenylmethane diisocyanate biuret curing agent and preparation method |
| 01/14/2015 | CN101805274B 具有可光化固化基团的特殊反应活性和低粘度脲基甲酸酯的制备方法和它用于特殊耐划性涂层的制备的用途 Preparation having a specific reactive group and actinic curing allophanate low viscosity and its use for special scratch resistant coating prepared |
| 01/13/2015 | US8932456 Integrated process for the manufacture of olefins and intermediates for the productions of ammonia and urea |
| 01/08/2015 | WO2015002535A1 Removal of dust in urea finishing |
| 01/07/2015 | EP2819993A1 Ros-activated compounds as selective anti-cancer therapeutics |
| 01/07/2015 | CN204079843U 二氧化碳汽提装置中的中压分解冷凝系统 Carbon dioxide stripping apparatus in pressure decomposition condensing system |
| 01/07/2015 | CN104271654A 具有改进的光学特性的聚酰胺组合物 Polyamide composition having improved optical properties |
| 01/07/2015 | CN104271309A 用于池式反应器或池式冷凝器的管板和热交换器组件的制造方法;相应的管板和热交换器组件 Tube sheet and method of manufacturing a heat exchanger assembly for pool-type reactor or pool condenser; the corresponding tube plate and heat exchanger assembly |
| 01/07/2015 | CN104262267A 用于治疗前列环素(pgi2)受体相关病症的pgi2受体调节剂 Pgi2 receptor modulator for the treatment of prostacyclin (pgi2) receptor related disorders |
| 01/07/2015 | CN103724233B 一种氟酰脲的合成方法 A synthesis method of novaluron |
| 01/07/2015 | CN101888994B 含有脲基甲酸酯基团的多异氰酸酯 Containing allophanate groups of the polyisocyanate |
| 01/06/2015 | US8927770 High-yield process for the synthesis of urea |
| 12/31/2014 | CN204058308U 汽提法尿素装置的蒸发系统冲洗水装置 Stripping urea plant evaporation system flushing water installations |
| 12/31/2014 | CN103360283B 从硒砂瓜植物组织中提取瓜氨酸的方法 The method of extracting citrulline from selenium sand melon plant tissues |
| 12/31/2014 | CN103214400B 一种氟铃脲的制备方法 Method for preparing hexaflumuron |
| 12/30/2014 | US8921426 Cationic bis-urea compounds as effective antimicrobial agents |
| 12/30/2014 | US8921391 Selective EP4 receptor antagonistic substance for treatment of cancer |
| 12/25/2014 | US20140378705 Separating agent and manufacturing method thereof |
| 12/24/2014 | CN204039301U 一种二氧化碳汽提尿素扩产装置 One carbon dioxide stripping urea expansion device |
| 12/24/2014 | CN104230759A 一种3,4,4-三氯碳酰苯胺的制备方法 One kind 3,4,4 preparation trichlorocarbanilide of |
| 12/24/2014 | CN104229830A 合成氨再生气回收方法 Ammonia gas recovery method again |
| 12/18/2014 | US20140371446 Phosphine ligands for catalytic reactions |
| 12/17/2014 | CN204022713U 一种敌草隆回收溶剂的预处理装置 One kind of diuron pretreatment solvent recovery unit |
| 12/17/2014 | CN103044287B 一种二芳基脲类化合物的合成方法 Synthesis of a diaryl urea compounds |
| 12/11/2014 | US20140364647 Process for producing ammonia and urea |
| 12/10/2014 | CN203989912U 尿素装置蒸发工段u型管改造结构 Evaporation urea plant transformation u-tube structure |
| 12/10/2014 | CN104193632A 一种从酶生物技术制备鸟氨酸转化液中分离鸟氨酸并形成鸟氨酸盐酸盐的方法 A method of separating from the enzyme ornithine biotechnology prepared ornithine conversion solution and forming ornithine hydrochloride |
| 12/10/2014 | CN103288684B 一种具有抗肿瘤活性的联苯脲化合物及其制备方法 A kind of anti-tumor activity of diphenyl urea compounds and methods |
| 12/04/2014 | US20140357736 Co-production of methanol and urea |
| 11/06/2014 | US20140330040 Process for synthesis of urea and a related arrangement for a reaction section of a urea plant |
| 11/04/2014 | US8877968 Melanocortin receptor modulators, process for preparing them and use there in human medicine and cosmetics |
| 10/28/2014 | US8871842 Method for producing a compound with at least one at least monosubstituted amino group |
| 10/21/2014 | US8865933 Method for obtaining optically pure amino acids |
| 10/08/2014 | EP2785761A2 Process for continuous isocyanate modification |
| 10/02/2014 | WO2014154454A1 Method for revamping a self-stripping urea plant |
| 10/01/2014 | EP2784062A1 Method for revamping a self-stripping urea plant |
| 09/25/2014 | WO2014151212A1 Integration of molten carbonate fuel cells for synthesis of nitrogen compounds |
| 09/25/2014 | WO2014146995A1 Urea derivatives and their use as fatty-acid binding protein (fabp) inhibitors |
| 09/18/2014 | WO2014144272A1 Synergistic combinations of monochlorourea and modified monochloroureas |
| 09/18/2014 | US20140275626 Operation method of urea production plant including multiple systems |
| 09/11/2014 | US20140256729 (hetero)aryl cyclopropylamine compounds as lsd1 inhibitors |
| 09/09/2014 | US8829240 Process for the production of urea from ammonia and carbon dioxide |
| 09/09/2014 | CA2667714C Carbamoylation of amines, thiophenols, mercaptanes and phenols employing organic azides |
| 08/26/2014 | US8813675 Time-temperature indicators comprising crystallized diacetylenic indicator compounds |
| 08/20/2014 | EP2766341A1 Urea finishing method |
| 08/14/2014 | WO2014122894A1 Process for recovering carbon dioxide from combustion exhaust gas |
| 08/13/2014 | CN103980163A 一种微通道反应器连续合成n-氨甲酰谷氨酸的方法 A micro-channel reactor continuously carbamyl glutamate synthesis method n- |
| 08/13/2014 | CN102449475B 氨基甲酸铵水溶液的分析方法以及未反应气体吸收槽的运转方法 Analysis of an aqueous solution of ammonium carbamate and unreacted gas absorption method for operating tank |
| 08/13/2014 | CN101918115B 从尿素合成工艺中的气态物流回收氨的方法 The method of recovery of ammonia from urea synthesis process gaseous stream |
| 08/06/2014 | CN103974931A 合成尿素的方法及用于尿素设备的反应段的相关装置 Related apparatus and methods for the synthesis of urea in the reaction zone of the urea plant |
| 07/30/2014 | CN103958559A 用于连续异氰酸酯改性的方法 Method for continuously ester-modified isocyanate |
| 07/30/2014 | CN103951615A 烷基胺衍生物 Alkylamine derivatives |
| 07/30/2014 | CN103951590A N,o-二甲基-n'-硝基异脲的制备方法 N, o- dimethyl -n'- nitroisourea preparation |
| 07/30/2014 | CN102603553B 具有协同抗真菌作用的化合物及其在药学中的用途 A synergistic antifungal effect of the compounds and their use in the pharmaceutical |
| 07/24/2014 | US20140206902 Urea production process characterized by short urea melt transportation time between last concentrator and prilling tower |
| 07/23/2014 | CN203728745U 尿素装置解吸回流冷凝器循环水进水温度的控制系统 Urea plant desorption reflux condenser circulating water inlet temperature control system |
| 07/23/2014 | CN103936631A 一种含有肟基的联苯脲化合物及其制备方法和应用 Biphenyl urea compound and its preparation method and application containing oxime group |
| 07/16/2014 | EP2753602A1 A carbon dioxide stripping urea plant with a natural-circulation synthesis loop and a method for retrofitting such plant. |
| 07/16/2014 | CN103922972A 一种尿素生产中降温节能的控制方法 A cooling control method for urea production energy |
| 07/16/2014 | CN101918357B 尿素制备方法及设备 Method and apparatus for preparing urea |
| 07/15/2014 | US8779210 Process for the treatment of an aqueous mixture comprising a dipolar aprotic compound |
| 07/15/2014 | US8779194 Carbamoylation of amines, thiophenols, mercaptanes and phenols employing organic azides |
| 07/10/2014 | WO2014106533A1 Elimination of ammonia and lower alkanes and/or hydrogen from waste gas streams in industrial plants |
| 07/09/2014 | CN203700239U 一种磷酸脲连续生产设备 One kind of continuous production equipment urea phosphate |
| 07/09/2014 | CN203700238U 一种收集高浓度尿液的装置 Means a high concentration of urine collected |
| 07/09/2014 | CN103910654A 1-甲基-1-甲氧基-3-苯基脲的合成方法 1-methyl-1-methoxy-3-phenyl urea synthesis |
| 07/03/2014 | WO2014104894A1 Urea synthesis process and plant |
| 07/03/2014 | WO2014104893A1 Urea plant revamping method |
| 07/02/2014 | CN102372654B 一种碳酰八胺化合物及其制备方法 A carbon acyl eight amine compound and its preparation method |
| 07/02/2014 | CN101768176B 一种离子液体 An ionic liquid |
| 06/26/2014 | US20140179936 Epoxidation of glycerol and derivatives therefrom |
| 06/26/2014 | US20140179532 Oligourea Compounds and Method for Producing Same and Use Thereof |
| 06/25/2014 | EP2744780A1 Urea production process characterized by short urea melt transportation time between last concentrator and prilling tower |
| 06/25/2014 | CN203668279U 二氧化碳脱氢装置 Carbon dioxide dehydrogenation unit |
| 06/24/2014 | US8759531 Preparation method of fluoro-substituted deuterated diphenylurea |
| 06/19/2014 | US20140171686 Urea reactor tray, reactor, and production process |
| 06/18/2014 | EP2743282A1 Melamine-aldehyde-condensation product and method obtaining the same |
| 06/18/2014 | CN102985404B Urea plant |
| 06/11/2014 | CN103848761A Method for preparing O-methyl isourea methyl formate |
| 06/11/2014 | CN103848760A Technology for producing urea by using coal gas in integrated iron and steel enterprise |