Patents
Patents for C07C 63 - Compounds having carboxyl groups bound to carbon atoms of six-membered aromatic rings (6,553)
06/2012
06/27/2012CN101287696B A process to enrich a carboxylic acid composition
06/26/2012CA2602362C Benzoic acid ester compounds, compositions, uses and methods related thereto
06/21/2012WO2012083171A1 Novel substituted bicyclic aromatic compounds as s-nitrosoglutathione reductase inhibitors
06/21/2012WO2012082725A1 Continuous dehydrogenation of 1,4-carboxylate substituted cyclohexenes
06/21/2012CA2821412A1 Novel substituted bicyclic aromatic compounds as s-nitrosoglutathione reductase inhibitors
06/20/2012CN102503814A Synthesis method for triiodo benzoic triformic acid
06/20/2012CN102503813A Method for recovering organic acid and cobalt-manganese metal in terephthalic acid oxidized residues
06/20/2012CN102503768A Method for selectively oxidizing toluene in water
06/14/2012WO2012078260A1 Devices and washes for biomarker stabilization
06/13/2012CN102491894A Preparation method of 2,4,6-trimethylbenzoic acid
06/13/2012CN102491862A Method for preparing biaryl compound in pure water
06/13/2012CN101472876B Method of replacing dispersion medium
06/13/2012CN101405251B Process for production of 5-phenylisophthalic acid
06/13/2012CN101010277B Optimized liquid-phase oxidation
06/07/2012WO2012019106A3 Compounds for use in modulating the nmda receptor
06/07/2012US20120142707 Modified c-3 betulinic acid derivatives as hiv maturation inhibitors
06/07/2012US20120142111 Nanomaterial-containing signaling compositions for assay of flowing liquid streams and geological formations and methods for use thereof
06/06/2012CN102486631A Real-time optimization method of acid consumption of PTA oxidation reactor
06/06/2012CN101391953B Preparation of arthropodicidal oxadiazines
06/05/2012US8193121 2-(3-alkylthiobenzoyl)cyclohexanediones and their use as herbicides
05/2012
05/31/2012WO2012071150A2 Production of aromatic carboxylic acids
05/31/2012WO2012070896A2 Synthetic method of enantiomerically pure 2,2'-dihydroxy-1,1'-binaphthyl-3-carboxylic acid
05/30/2012CN202237976U High-temperature high-pressure solid material on-line feeding device
05/30/2012CN202237491U Integrated equipment for filtering, washing and drying purified terephthalic acid
05/30/2012CN102482177A 对二甲苯和对苯二甲酸的碳水化合物途径 Paraxylene and terephthalic acid carbohydrate way
05/30/2012CN102476994A 精对苯二甲酸装置氧化单元粗对苯二甲酸的“过滤、洗涤、分离”的方法 PTA Oxidation Unit crude terephthalic acid "filtered, washed, separated" approach
05/30/2012CN102476051A Noble metal/TiO2-C catalyst and preparation method thereof
05/30/2012CN102039123B Terephthalic acid hydrofined catalyst and preparation method thereof
05/30/2012CN101986320B Modeling method for heterogeneous azeotropic rectification solvent dehydrating tower of industrial purified terephthalic acid (PTA) device
05/30/2012CN101481293B Catalytic hydrolysis process for by-product methyl acetate of purified terephthalic acid production
05/30/2012CN101456804B Method for preparing semi-aromatic nylon salt
05/29/2012US8188462 Spirobifluorene derivatives, their preparation and uses thereof
05/29/2012US8188304 Process for the purification of lanthanide carboxylates
05/24/2012US20120129929 Compound used to prevent diseases caused by aquaporin deficiency
05/23/2012EP2455360A1 Apparatus for replacing dispersion medium
05/23/2012CN102471210A 制备邻苯二甲酸/邻苯二甲酸酐的工艺及设备 Preparation of phthalate / phthalic anhydride technology and equipment
05/23/2012CN101972623B Continuous oxidation reaction kettle for trimethyl benzene
05/23/2012CN101961633B Unsym-trimethyl benzene continuous oxidation reaction equipment
05/23/2012CN101961632B Trimethyl benzene continuous oxidation reactor
05/23/2012CN101792458B Cyano-bridged mixed-valence copper polynuclear complex, and preparation method and application thereof
05/23/2012CN101423469B Oxidation process for aromatic compound
05/23/2012CN101417946B Method for preparing pentachlorobenzoyl chloride
05/23/2012CN101417945B Method for preparing 4-bromo-2,3,5,6-3-fluorophenylacetic acid
05/23/2012CN101372451B Chemical synthesis method of 2,3,4,5-phenyl tetrafluoride formyl chloride
05/22/2012US8183290 Pharmaceutically acceptable propylene glycol solvate of naproxen
05/16/2012EP2452931A2 Method for preparing tricyclic derivatives
05/16/2012EP1928831B1 Chemical synthesis
05/16/2012CN101180255B Process to produce an enrichment feed
05/10/2012WO2012060347A1 Organic hybrid type catalyst
05/09/2012EP2450342A2 Process for production of a dried carboxylic acid cake suitable for use in polyester production
05/09/2012CN101985435B Novel eutectic ionic liquid and preparation method thereof
05/09/2012CN101525283B Zone melting purification device and method of purifying phenylformic acid by adopting same
05/09/2012CN101503353B Technique for purifying crude terephthalic acid from alkali deweighting wastewater
05/09/2012CN101353302B Preparation of naphthalenetetracarboxylic acid
05/09/2012CN101318895B Novel separation purification method for p-benzene dicarboxylic acid
05/09/2012CN101318894B Separation purification method and apparatus for p-benzene dicarboxylic acid
05/03/2012WO2012057156A1 Crossflow type filtering operation method using ceramic filter
05/03/2012WO2012057155A1 Crossflow type filtering operation method using ceramic filter
05/03/2012US20120108551 Ophthalmic compositions
05/02/2012EP2445855A1 Carbohydrate route to para-xylene and terephthalic acid
05/02/2012EP2089153B1 Aluminum naphthalenedicarboxylate as a porous organometallic framework material
05/02/2012CN102438974A Apparatus and method for recovery of acetic acid from an aqueous solution thereof
05/02/2012CN102432475A Acid-alkali two-component gelator based on 2-amino-1,2-diphenylethanol
05/02/2012CN102430405A Loaded bimetallic nano-catalyst used for benzoic acid and sodium salt preparation as well as its preparation method
05/02/2012CN101825868B Energy-saving operation method for optimizing crude terephthalic acid hydrofining process of industrial device
05/02/2012CN101010135B Optimized liquid-phase oxidation
04/2012
04/26/2012WO2012053553A1 Electrode for nonaqueous secondary batteries, nonaqueous secondary battery comprising same, and battery
04/26/2012US20120101039 Calcium-sensing receptor-active compounds
04/19/2012WO2012012048A3 Solid terephthalic acid composition
04/19/2012WO2012005902A3 Process for purifying terephthalic acid
04/18/2012CN102421741A 用于处理、纯化粗对苯二甲酸及相关过程流的方法、步骤及系统 For processing, purification of crude terephthalic acid and related process flow, the steps and system
04/18/2012CN102419552A 精对苯二甲酸生产过程无静差预测控制器 Purified terephthalic acid production process without static error predictive controller
04/18/2012CN102417448A 高纯度,高熔点芳香族酰氯片状产品的密闭连续生产工艺 High purity, high melting point of the aromatic acid chloride sheet product production process of a continuous closed
04/18/2012CN101035752B 用过的聚对苯二甲酸乙二醇酯化学再生方法和用过的聚对苯二甲酸乙二醇酯化学再生设备 Used polyethylene terephthalate chemical regeneration method and used polyethylene terephthalate chemical recycling equipment
04/17/2012US8158820 Compounds
04/17/2012CA2595393C Chemical process for recycling polyethylene terephthalate (pet) wastes
04/12/2012WO2012012046A3 Mixtures used in oxidizing alkyl aromatic compounds
04/12/2012WO2012012045A3 Process for oxidizing alkyl aromatic compounds
04/12/2012WO2012012043A3 Process for producing terephthalic acid
04/11/2012CN102414161A 芳族环被氯化的苯二甲酸化合物的制造方法 The method of producing an aromatic ring of the phthalic acid compound is chlorinated
04/11/2012CN101362687B 空气氧化对二甲苯制备对苯二甲酸的方法和设备 Air oxidation of p-xylene for preparing terephthalic acid method and apparatus
04/10/2012US8153840 Use of a bubble column reactor for efficient reaction at relatively low temperature; e.g. crude terephthalic acid from p-xylene can be purified and separated by more economical techniques than required by conventional higher temperature oxidation
04/05/2012WO2012043436A1 Method and device for anaerobically treating wastewater containing terephthalic acid
04/05/2012WO2012005903A3 Process for oxidizing alkyl aromatic compounds
04/04/2012EP1338336B1 Use of catalysts comprising n-substituted cyclic imides for preparing organic compounds
04/04/2012CN102405207A 用于选择性氧化的喷雾工艺 Process for the selective oxidation of spray
04/04/2012CN102399213A Lamivudine monophthalate and synthetic method thereof
04/03/2012US8148572 Compounds
03/2012
03/28/2012CN102395553A Method for recovering crystals from a crystallization slurry
03/28/2012CN102393637A Method for optimizing unit consumption of acetic acid of PTA (pure terephthalic acid) oxidation reactor in real time
03/28/2012CN101766977B Charging system for the granulating preparation of sodium benzoate particle and operation process thereof
03/28/2012CN101142168B Process for the preparation of benzoic acid derivatives via a new intermediate of synthesis
03/22/2012US20120071683 New Process
03/21/2012CN102381964A Integral process for washing and filtering terephthalic acid and water recovery
03/21/2012CN102381963A Method and device for preparing benzoic acid by utilizing waste PX (paraxylene) oxidation residues
03/21/2012CN102381953A Method for extracting and purifying fluorenone from industrial wastes generated in production of benzoic acid
03/15/2012WO2012012047A3 Process for producing terephthalic acid
03/14/2012CN102372626A Preparation method of phthalic acid
03/14/2012CN102372531A Preparation method for aromatic carboxylic acid compounds
03/14/2012CN101428218B P-benzene dicarboxylic acid hydrogen refining catalyst and preparation method thereof
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