Patents
Patents for C07C 201 - Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton (5,786)
12/2008
12/17/2008CN101323574A Preparation of 1,2-bis (2,6-dinitro-4-trifluoromethyl phenoxy) naphthalin
12/17/2008CN101323573A Preparation of 1,3-bis(2,6- dinitro-4-trifluoromethyl phenoxy) naphthalin
12/11/2008WO2008148608A1 Process for preparing mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates
12/10/2008CN101318906A Method for preparing 3,4-dinitrochlorobenzene
12/10/2008CN101318146A Application of dehydroabietylamine thiourea catalyst in synthesizing chiral compound with high-antipodism both-hand control
12/04/2008WO2008146277A1 Continuous process of preparing bromopicrin
12/03/2008CN101314571A Catalysis synthesis method for nitrobenzene ether catalysis synthesis method for paranitroanisole
12/03/2008CN101314570A Catalysis synthesis method for paranitrophenetole
12/03/2008CN101314569A Reaction system and preparation method for nitrous alkyl ester
12/03/2008CN100439322C Method for synthesizing 4-nitrobenzyl chloroformate
11/2008
11/27/2008WO2008143141A1 Method for producing halogenated aromatic compound
11/27/2008US20080293961 Process for the purification of 1,4-butanediol mononitrate
11/26/2008EP1993990A1 Process for the separation by distillation of dinitrotoluene from process wastewater from the preparation of dinitrotoluene by nitration of toluene by means of nitrating acid
11/19/2008CN101309893A 联苯的生产方法 Biphenyl production methods
11/19/2008CN100434414C Utilizing process of nitrobenzene distilation redsdue
11/19/2008CN100434175C Catalyst and its use for synthesizing 4-nitro-3-methyl benzoic acid
11/12/2008CN101302165A Preparation of 2,4,7-trinitrofluorenone
11/12/2008CN101302164A 2,4-bis(2,6-binitro-4-trifluoromethyl phenoxy)toluol
11/12/2008CN101302163A Preparation of 2,4-bis (2,6-binitro-4-trifluoromethyl phenoxy) benzotrifluoride
11/12/2008CN101302162A Preparation of 4,4í»-bis(2,6- binitro-4-trifluoromethyl phenoxy)-3,3í»,5,5í»-tetramethyl biphenyl
11/12/2008CN101302161A Preparation of 3-fluoro-nitrophenol
11/12/2008CN101302160A Preparation of aromatic alcohol compounds
11/12/2008CN100432042C Preparation technology of purified 4-nitro phthalic acid
11/11/2008US7449610 acidifying the alkaline wastewater of mononitrotoluene preparation with acids to a pH of at most 3 and treating the nitrocresols with an extractant; utilizing the extracted nitrocresols as a feed-stock in the preparation of dinitrotoluene
11/05/2008EP1987880A1 Polysilane-supported transition metal catalyst
11/05/2008CN101298419A Preparation of 3-ethoxy-4-decyloxy nitrobenzene
11/05/2008CN100430132C Preparation of catalyst for synthesizing hydrotalcite thin film by alcohol oxidation reaction
10/2008
10/29/2008CN101293839A Method for preparing 1,4-di(2,6-dinitryl-4-trifluoromethyl phenoxy)-2,6-dimethyl benzene
10/29/2008CN101293838A Method for preparing 1,2-di(2,6-di nitryl-4-trifluoromethyl phenoxy) benzene
10/29/2008CN101293837A Method for preparing 2,2di[4-(2,6-dinitryl-4-trifluoromethyl phenoxy) -3,5- dimethyl phenyl]hexa-fluorine propane
10/28/2008CA2230921C Process for the purification of diphenyl ether compounds
10/28/2008CA2229735C Process for nitrating diphenyl ether compounds
10/22/2008CN101289399A Method for preparing 3,5-di(2,6-dinitro-4-trifluoromethyl phenoxy)benzene carbonic acid
10/22/2008CN101289398A Method for preparing 3,7-di(2,6-dinitro-4-trifluoromethyl phenoxy)-2-naphthoic acid
10/22/2008CN101289397A Method for preparing 4,4í», di(2,6-dinitro-4-trifluoromethyl phenoxy)diphenyl ether
10/22/2008CN101289396A Process for separating and utilizing mixing components of o-, m-, and p-nitrochlorobenzene
10/16/2008WO2008122555A1 2-nitro-5-fluoro-3',4'-dichlorobiphenyl and method for the production thereof
10/16/2008DE102007016971A1 2-Nitro-5-fluor-3',4'-dichlorbiphenyl sowie ein Verfahren zu dessen Herstellung 2-nitro-5-fluoro-3 ', 4'-dichlorobiphenyl as well as a process for its preparation
10/15/2008CN101284788A Preparation method of 2,3-di(2,4-dinitro phenoxy)naphthalin
10/15/2008CN101284787A Preparation method of 3,5-di(2,4-dinitro phenoxy)-2-naphthoic acid
10/15/2008CN101284786A Preparation method of 1,7-di(2,4-dinitro phenoxy)naphthalin
10/15/2008CN101284785A Preparation method of 2,6-di(2,6-dinitro-4-trifluoromethyl phenoxy) benzotrifluoride
10/15/2008CN101284784A Preparation method of 2,6-di(2,6-dinitro-4-trifluoromethyl phenoxy)toluol
10/15/2008CN101284783A Synthetic method of nitrobenzene ether compounds
10/15/2008CN101284753A Self-coupling reaction method of manganses-catalyzed and oxidized chlorobenzene grignard reagent
10/14/2008US7435844 Fungicides; 2-methoxyacrylic acid esters or amides, 2-substituted with o-(phenoxymethyl)phenyl- groups, e.g., methyl (E)-2-{2-[3,5-dichloro-4-(3,3-dimethylbutoxy)phenoxymethyl]phenyl}-3-methoxyacrylate; agriculture, horticulture, animal husbandry
10/14/2008US7435319 Continuously supplying a column with a feed, separating feed into low boiler fraction and a high boiler fraction; removing one of fractions continuously into a container; stopping feed; recycling the fraction removed into container; separating
10/14/2008CA2302787C A process for the purification of caprolactam obtained from the depolymerization of polyamide-containing carpet
10/08/2008CN101279922A Preparation of 1,4-bis(2,4- dinitrophenoxy)-2,3,5- trimethylbenzene
10/08/2008CN101279921A Preparation of 1,4-bis(2,6--dinitro-4- trifluoromethylphenoxy)-2- tert-butylbenzene
10/08/2008CN101279920A Preparation of 1,4-bis(2,6-dinitro-4- trifluoromethylphenoxy)-2,3,5-trimethylbenzene
10/08/2008CN101279919A Preparation of 1,4-bis(2,4-dinitrophenoxy)-2-tert-butylbenzene
10/08/2008CN101279918A Preparation of 1,3,5-tri(2,6-dinitro- trifluoromethylphenoxy) benzene
10/08/2008CN101279917A Preparation of 4,4í»-bis(2,6-dinitro-4-trifluoromethylphenoxy) benzophenone
10/08/2008CN101279916A Preparation of 4,4í»-bis(2,6- dinitro-4- trifluoromethylphenoxy pendant) diphenylmethane
10/08/2008CN100423826C Microchannel with internal fin support for catalyst or sorption medium
10/07/2008CA2227131C Methods for the preparation of benzophenone derivatives
10/07/2008CA2190030C Method for preparing 3-carboxy-4-hydroxybenzaldehydes and derivatives thereof
10/02/2008US20080242900 Method for Producing Dinitrotoluene
10/01/2008CN101274894A Preparation for alpha, beta-di-hydroxyl carboxylic ether compound
10/01/2008CN100422137C Nitrobenzene derivative containing phenoxy and its preparation method
09/2008
09/24/2008CN101270057A Method for preparing 1,4-bis(2,6-di-nitryl-4-trifluoromethyl phenoxy)-2,5 bi-utylbenzene
09/24/2008CN101270056A Method for preparing 2,5-bis(2,6-di-nitryl-4-trifluoromethyl phenoxy group) methylbenzene
09/24/2008CN101270055A Method for preparing 3,5-bis(2,6-di-nitryl-4-trifluoromethyl phenoxy group) methylbenzene
09/24/2008CN101270054A Method for preparing 3,5-bis(2,6-di-nitryl-4-trifluoromethyl phenoxy group) toluene trifluoride
09/24/2008CN101270053A Technique of preparing m-nitrobenzene acetylene
09/18/2008WO2008111282A1 Method for producing carbonyl compound
09/17/2008CN101265193A Method for preparing 2,5-di(2,6-dinitro-4-trifluoromethylphenoxy)trifluorotoluene
09/17/2008CN101265192A Method for preparing 4,4'-di(2,6-dinitro-4-trifluoromethylphenoxy)biphenyl
09/17/2008CN101265191A Method for preparing 2,2-di[4-(2,6-dinitro-4-trifluoromethylphenoxy)-3,5-dimethylphenyl]propane
09/17/2008CN101265190A Method for preparing 2,2-di[4-(2,6-dinitro-4-trifluoromethylphenoxy)phenyl]propane
09/17/2008CN101265189A Process for preparing 4,6-dinitroresorcinol
09/12/2008WO2008107312A1 Method for the nitration of substituted benzenes in the presence of propionic acid
09/10/2008CN101260043A Method for preparing 2,2-di[4-(2.6-dinitro-4-trifluoromethylphenoxy)phenyl]hexafluoropropane
09/04/2008DE102007010161A1 Method for nitration of substituted benzene to substituted nitrobenzene for use in production of chemicals, pharmaceutical products and plant protection agents, involves carrying out nitration in presence of propionic acid
09/03/2008EP1713748B1 Hydrocarbon alkyation using a nanocrystalline zeolite y catalyst
08/2008
08/27/2008CN101250111A Method for preparing 1,4-di(2,6-dinitro-4-trifluoromethyl phenoxy) benzene
08/27/2008CN101250110A Method for preparing 1,3-di(2,6-dinitro-4-trifluoromethyl phenoxy) benzene
08/27/2008CN101250109A Method for synthesizing 3-methoxy nitrobenzene
08/20/2008EP1957443A2 Method for producing sulfonamides
08/20/2008EP1957439A2 Process for the production of biphenyls
08/20/2008CN101245018A Process for producing 2-nitryl fluorenone
08/20/2008CN101245017A Process for producing 1,2-bis(2,4-dinitrophenoxy)naphthalin
08/20/2008CN101245016A Process for producing 1,4-bis(2,4-dinitrophenoxy)-2- naphthoic acid
08/20/2008CN101245015A Process for producing 1,3-bis(2,4-dinitrophenoxy)naphthalin
08/20/2008CN101245014A Process for producing 2,2-bis[4-(2,4-dinitrophenoxy)-3,5-dimethyl phenyl]hexafluoropropane
08/20/2008CN101245013A Process for producing 2,4-bis(2,4-dinitrophenoxy)methylbenzene
08/20/2008CN101245012A Process for producing 2,6-bis(2,4-dinitrophenoxy)toluene trifluoride
08/20/2008CN101245011A Process for producing 4,4í»bis(2,4-dinitrophenoxy) biphenyl
08/20/2008CN101245010A Method for producing civil dinitrotoluene
08/14/2008US20080194886 Catalysts for nucleophilic substitution, synthesis thereof, composition containing them and use thereof
08/07/2008WO2008093668A1 Chiral iridium aqua complex and method for producing optically active hydroxy compound by using the same
08/07/2008WO2008092809A1 Branched decyl nitrates and the use thereof as combustion improvers and/or cetane number improvers in fuels
08/06/2008EP1856024B1 Method for producing substituted biphenyls
08/06/2008CN101235005A Method for preparing 4,4'-di(2,4-dinitorphenoxy)-3,3',5,5'-tetramethyldiphenyl sulphone
08/06/2008CN101234991A Method for preparing 2,2-di[3-amino-4-(2,4-dinitrophenoxy)phenyl]hexafluoropropane
08/06/2008CN101234990A Method for preparing 4,4'-di(2,4-dinitrophenoxy)diphenylmethane
08/06/2008CN101234989A Method for preparing 4,4'-di(2,4-dinitrophenoxy)benzophenone
08/06/2008CN101234988A Method for preparing 1,2-di(2,4-dinitrophenoxy)benzene
08/06/2008CN101234987A Method for preparing 4,4'-di(2,4-dinitrophenoxy)diphenyl ether
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