Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
01/2013
01/23/2013CN102892499A Process for preparing improved mixed metal oxide ammoxidation catalysts
01/23/2013CN102892498A Improved mixed metal oxide ammoxidation catalysts
01/23/2013CN102892497A Attrition resistant mixed metal oxide ammoxidation catalysts
01/23/2013CN102892496A High efficiency ammoxidation process and mixed metal oxide catalysts
01/23/2013CN102887845A Compound containing 2,6-naphthyl
01/23/2013CN102887835A Method for synthesizing 2-amino-4,5-bis-(2-methoxyethoxy)cyanophenyl
01/23/2013CN102887807A Method for preparing alpha, beta-unsaturated carbonyl compounds
01/23/2013CN101085754B Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives
01/17/2013WO2013008616A1 Method for producing purified 2-cyanoacrylic ester
01/17/2013WO2013007603A1 Method for the production of 2-amino-5-cyano-n,3-dimethylbenzamide
01/17/2013US20130017944 Solid catalytic compositions based on mesoporous organic materials
01/16/2013CN102883810A Apparatus for removing substances from catalyst surface
01/16/2013CN102875417A Liquid crystal compound containing bicyclo (3,3,0) octane and preparation method and application thereof
01/16/2013CN102875415A Compound and preparation method and application thereof
01/16/2013CN102875414A Preparation method of 4-amino-2-trifluoromethyl cyanophenyl
01/16/2013CN102875276A Method for preparing cyan aromatic hydrocarbon by using aryl bromide
01/16/2013CN102875275A Method for preparing aryl nitrile by aryl halogenide
01/10/2013WO2013004016A1 Process for the preparation of aminonitrile and diamine, and corresponding devices
01/09/2013CN102863356A Preparation method for 4-(4-methylphenoxy)cyanobenzene
01/09/2013CN101885690B Preparation method of OLED orange-red optical materials
01/08/2013US8350075 Mixed metal oxide ammoxidation catalysts
01/08/2013US8349344 Formulations of bifenthrin and enriched cypermethrin
01/03/2013US20130006009 Process for continuously producing geometric shaped catalyst bodies k
01/03/2013US20130006008 Process for preparation of (z)-cyanoalkenylcyclopropanecarboxylic acid compounds
01/02/2013EP2540702A2 Method for the recovery of toluene diisocyanate from liquid residues of toluene diisocyanate production
01/02/2013EP2540701A1 Process for production of cyclopropanecarboxylic acid ester compound
01/02/2013EP1299308B1 Chemical extraction process
01/02/2013CN102858734A Method for isomerizing cis-2-pentene nitrile to form 3-pentene nitriles
01/02/2013CN102850237A Asymmetric spirobifluorene compound derived from functional group conversion on different fluorene ring
01/02/2013CN101972672B S-acylation L-cysteine and application of salt thereof as catalyst for asymmetrical organic synthesis reaction
01/02/2013CN101892026B Isotropous conductive adhesive and preparation method thereof
01/02/2013CN101443306B Process for preparing aminoalkylnitriles and diamines from such nitriles
12/2012
12/27/2012US20120330049 Method for preparing acrolein from glycerol or glycerine
12/27/2012US20120329981 Process to produce valerolactone from levulinic acid
12/26/2012EP2537828A1 Method for producing cyanoalkenylcyclopropanecarboxylic acid salt
12/26/2012EP2537826A1 Fluorination of aromatic ring systems
12/26/2012CN102838511A Sitagliptin intermediates as well as preparation method and application of intermediate
12/26/2012CN101857517B Method for preparing fluorobiaryl compound in pure water solution
12/25/2012US8338643 Reagent for introduction of protein or gene
12/25/2012US8338325 Tethered catalyst processes in microchannel reactors and systems containing a tethered catalyst or tethered chiral auxiliary
12/20/2012WO2012171830A1 Process for preparing 3-cyano-3,5,5-trimethylcyclohexanone
12/20/2012WO2012171484A1 Substituted cyanoaniline compounds, preparation and use thereof
12/20/2012US20120323034 Process for production of cyclopropanecarboxylic acid ester compound
12/20/2012DE102011077681A1 Verfahren zur Herstellung von 3-Cyano-3,5,5-trimethylcyclohexanon Trimethyl 3-cyano-3,5,5-process for the preparation of
12/19/2012CN102827034A P-dicyanoaniline-containing compounds and applications thereof
12/19/2012CN102827032A Cyano-diphenylamine-containing compounds and applications thereof
12/19/2012CN102827031A Beta-aminopropionitrile consecutive reaction process
12/19/2012CN102827030A Preparation method of (3R,5R)-3,5-dihydroxy-6-methyl cyan-caproate
12/19/2012CN102093303B (2R, 4S)-4-phenyl-2-methyl-2-trifluoromethyl oxazoline and preparation method thereof
12/19/2012CN101607923B Aromatic nitrile compounds or derivatives of same and synthetic method and application thereof
12/19/2012CN101575253B Application of fullerene as catalyst in catalytic hydrogenation reaction of nitro aromatic compound
12/19/2012CN101514170B Method for preparing n-phenylglycinonitrile
12/18/2012US8334399 Method for producing acetone cyanohydrin and the subsequent products thereof by specific cooling
12/12/2012CN102816096A Imine alkali metal salt and ion liquid and application of same as non water electrolyte
12/12/2012CN101479236B Process for making 3-pentenenitrile by hydrocyanation of butadiene
12/11/2012US8329936 Method for producing cyanoacrylate esters in the presence of transition metal catalysts
12/06/2012WO2012163476A1 1-bromo-3-halo-2-cycloalkylbenzene compounds
12/06/2012US20120310003 Method for producing cyanoalkenylcyclopropanecarboxylic acid salt
12/06/2012US20120309989 Continuous process for the production of beta-keto esters by claisen condensation
12/06/2012US20120309931 Process for the synthesis of 3-hydroxyglutaronitrile
12/05/2012CN202569620U Rectification device for ethyl cyanoacetate
12/05/2012CN102807615A Method for synthesizing single succinyl acyl oxygen deltamethrin hapten
12/04/2012CA2427043C Novel intermediates for use in retinoid synthesis
11/2012
11/28/2012CN202562327U Reactant gas cooler for acrylonitrile device
11/28/2012CN102803196A Production of adipic acid and derivatives from carbohydrate-containing materials
11/28/2012CN102803195A Production of adipic acid and derivatives from carbohydrate-containing materials
11/28/2012CN102796028A Control system and method for improving acrylonitrile production stability
11/28/2012CN101914037B New process for producing high-purity iminodiacetonitrile
11/22/2012WO2012157456A1 Method for manufacturing 2-cyanoacrylic acid
11/22/2012US20120296108 Process for producing geometric shaped catalyst bodies
11/21/2012CN102791678A Process for the preparation of 4-bromomethyl-[1,1'-biphenyl]-2'-carbonitrile
11/21/2012CN102786453A Chiral sulfoxide alkene ligand, preparation method and application thereof
11/21/2012CN102786449A Ionic liquid synthesized from perfluoroalkyl sulfonyl imide alkali metal salt
11/21/2012CN102786439A Preparation method of 5-chloro-2-methoxy cyanophenyl
11/21/2012CN102786438A Cyano anthraquinone derivatives, preparation method and organic electroluminescent devices thereof
11/21/2012CN102786437A Preparation method of teriflunomide
11/21/2012CN102786436A Method for synthesizing cyanoacetate
11/21/2012CN102786372A Synthesis of m-nitrobenzaldehyde derivative
11/21/2012CN102068831B Batch extractive distillation device and separation method for acetonitrile-methanol azeotropic mixture
11/21/2012CN101597243B Synthesis method of 4'-Bromomethyl-2-cyanobiphenyl
11/21/2012CN101597241B Method for purifying ultraclean high-purity acetonitrile
11/21/2012CN101528675B Process for preparing alkali metal or alkaline earth metal tricyanomethanides
11/21/2012CN101443308B Process for producing dicyanonorbornane and zerovalent-nickel complex catalyst
11/15/2012WO2012153991A2 Method for preparing chiral α-aminonitrile using a catalyst for a strecker reaction
11/15/2012WO2012153509A1 Aldehyde compound production method
11/15/2012US20120289734 Alternative synthesis of 1,1-substituted olefins having electron-withdrawing substituents
11/14/2012CN102775328A Environment-friendly preparation method of alpha-cyanoacrylate compound
11/14/2012CN102775327A Composite oxidizer and method for preparing high efficiency liquid chromatography eluate acetonitrile by using same
11/14/2012CN101992106B Alkane ammoxidation catalyst
11/14/2012CN101884929B Fluid catalyst for preparing acrylonitrile by propylene ammoxidation
11/14/2012CN101628881B Substituted cyanoacetate compound and application thereof
11/14/2012CN101489992B Process for making 3-pentenenitrile by hydrocyanation of butadiene
11/13/2012US8309753 Method for producing optically active cyanohydrin compound
11/13/2012US8309752 Process for production of mandelonitrile compound
11/07/2012CN102770409A Process for production of cyclopropanecarboxylic acid ester compound
11/07/2012CN102766073A Method for synchronizing m-benzenyl trifluoride di-cyan acetonphenone
11/07/2012CN102766072A Method for preparing atorvastatin calcium chiral side chain
11/07/2012CN102766071A Chiral reduction method of statin intermediates
11/07/2012CN102766070A Method for preparing precursor 2-chloro-2-chloromethyl-4-cyano butyraldehyde of Paichonghding intermediate
11/07/2012CN102766004A Method for synthesizing aminoacyl arylamine
1 ... 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 ... 144