Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
02/2013
02/27/2013CN102942477A Octenoic acid derivatives and preparation method thereof
02/27/2013CN102942476A Preparation method of linalyl acetate
02/27/2013CN102942475A Variable-pressure rectification method for separating ethyl acetate and ethanol azeotropes and production device for azeotropes
02/27/2013CN102941113A Catalyst for synthesizing methyl acrylate by using methyl acetate and methylal and preparation method thereof
02/27/2013CN102941108A Catalyst for synthesizing ethyl acetate and ethanol from hydrogenation of acetic acid, and preparation method and application thereof
02/27/2013CN102153466B Method and device for coproducing ethyl acetate and n-propyl acetate
02/27/2013CN101868550B Method for the synthesis of omega-unsaturated fatty acids
02/26/2013CA2572896C Process for the preparation of 4,4-difluoro-3-oxobutanoic acid esters
02/21/2013DE102011081256A1 Verfahren zur Herstellung von Alpha-Hydroxycarbonsäureestern Process for the preparation of alpha-hydroxycarboxylic acid esters
02/20/2013EP2559680A1 Carbonylation of methanol
02/20/2013EP2559679A2 Method for producing 1,6-hexanediol by hydrogenation of oligo- and polyesters
02/20/2013EP2558435A1 Crystalline ingenol mebutate
02/20/2013CN102936536A Intergrated chemical processe for industrial utilization of seed oils
02/20/2013CN102936200A Method for refining diisobutyl adipate
02/20/2013CN102936199A Preparation method of diisooctyl oxalate
02/20/2013CN102936198A Vinyl acetate production method
02/20/2013CN102936196A Preparation method of polyoxyethylene fatty alcohol dibasic acid ester
02/20/2013CN102935380A Chitosan/shell powder composite microsphere load palladium catalyst, preparation method and application thereof
02/20/2013CN102935376A Preparation method of phosphotungstic acid cesium modification mesoporous molecular sieve catalyst
02/20/2013CN102935365A Catalyst and method for preparing 1,4-cyclohexane dimethyl isophthalate
02/20/2013CN102935102A Method for simultaneously producing honeysuckle flower distillate and various active substances
02/20/2013CN102432469B Method for extracting and separating rosmarinic acid and ursolic acid from rosemary
02/20/2013CN101973876B Synthesis method of acetylsalicylic acid
02/20/2013CN101863760B Production method for n-propylacetate
02/20/2013CN101698645B Method for synthesizing beta-cyclized ethyl geranate
02/20/2013CN101693662B Preparation method of heat-resisting stabilizing agent of bisphenolmonoacryates
02/20/2013CN101300220B Hydrogen-catalysed process for preparing (meth)acrylates of n-hydroxyalkylated lactams
02/19/2013US8378135 Multifunctional alcohols obtained from cardanol, multifunctional acrylic crosslinker and pendant phosphorous flame retardant derivatives thereof
02/14/2013WO2013022963A2 Production and separation of glycerol-related products using various feed stocks
02/14/2013WO2013022126A1 Heterogeneous phase reaction accelerating apparatus and method for a fluid
02/14/2013WO2013022095A1 Production method for methacrylic acid compound, and catalyst
02/14/2013US20130041174 Catalyst for alkylation and process for producing alkylaromatic hydrocarbon compound using the catalyst
02/14/2013US20130039872 Ester preparation with after-treatment
02/14/2013US20130036713 Heat exchanger in a process and device for the preparation of an ester
02/14/2013DE102011110096A1 Preparing carbonyl compounds comprising an ethylenically unsaturated double bond comprises oxidizing a primary and/or secondary alcohol having an ethylenically unsaturated double bond in the presence of a nitroxyl compound
02/13/2013EP2557072A1 Para- or meso-functionalized aromatic ketone compounds, preparation methods thereof, and photopolymerization initiators comprising the same
02/13/2013EP2518039A9 Method for the preparation of therapeutically valuable triphenylbutene derivatives
02/13/2013CN202725163U Tower-type alcoholysis reactor for preparing terephthalic acid diethyl ester
02/13/2013CN1937991B Sensory wax for cosmetic and/or pharmaceutical formulations
02/13/2013CN102933540A Catalytic composition having an effect that inhibits the corrosion of metal surfaces, a method for inhibiting corrosion, and the use of a corrosion inhibitor
02/13/2013CN102933538A Method for preparing carboxylic acids by oxidative cleavage of a vicinal diol
02/13/2013CN102924706A Preparation method for polyethylene glycol mono alkyl ether unsaturated carboxylic ester
02/13/2013CN102924544A Method for preparing stevioside and chlorogenic acid from stevia step by step
02/13/2013CN102924335A Preparation method of carbasalate calcium
02/13/2013CN102924281A Method for preparing 9-benzylalcohol methyl ester fluorene
02/13/2013CN102924280A Preparation method of trimellitate
02/13/2013CN102924279A Catalytic synthesis method of tri-octyl tri-meta-benzoate
02/13/2013CN102924278A Synthesis method of (S)-5-chloro-2- methoxycarbonyl-2- hydroxyl-1-indanone
02/13/2013CN102924277A Method for preparing cyclohexane dioctyl phthalate dibasic esters through hydrogenation
02/13/2013CN102924276A Preparation method and intermediate hemiacetal of 2-methyl-2-acetoxy-3-butenyl-1-aldehyde
02/13/2013CN102924275A Refining method for alcoholysis waste liquid in PVA (polyvinyl alcohol) production and test device for same
02/13/2013CN102924274A Preparation method of conducting shell-like layered graphene composite material
02/13/2013CN102924273A Clean production process of polyatomic alcohol synthetic esters through reactor coupled simulated moving bed
02/13/2013CN102924272A Method for synthesizing carboxylic ether by performing direct addition to carboxylic acid and alkene
02/13/2013CN102924271A Method for producing tert-butyl ester compound by performing esterification reaction, rectification and coupling to organic carboxylic acid and isobutene
02/13/2013CN102924206A Water-phase green preparation method of 1,3-disubstituted-3-aryl allyl compound and application of 1,3-disubstituted-3-aryl allyl compound
02/13/2013CN102924201A Method for preparing perfluoroalkyl alkyl ketone compound
02/13/2013CN102921470A Method for recycling fluorine-containing catalyst by polytetrafluoroethylene particles
02/13/2013CN102921414A Benzene ring alkyl ester hydrogenation catalyst and preparation method thereof
02/13/2013CN102921409A Preparation method of catalyst for producing 1,2-cyclohexane dicarboxylic ester through hydrogenation
02/13/2013CN102921363A Method and device for removing water in microwave airtight reactor
02/13/2013CN102921356A Novel esterification pre-reactor
02/13/2013CN102921182A Composite tower for separating intermediater products of dimethyl oxalate and carbinol in ethylene glycol industrial production
02/13/2013CN102920693A Longan flower extract, application of longan flower extract in immunoloregulation, and longan flower extract preparation method
02/13/2013CN102920692A Application of (E)-2-(1-hydroyxl-4-cyclohexanone) aethyl-caffeic acid phenethyl ester in preparation of medicament for preventing and treating rheumatoid arthritis
02/13/2013CN102218330B Supported catalyst used in selective synthesis, and preparation method and purpose thereof
02/13/2013CN101889037B Modified naphthalene formaldehyde resin, tricyclodecane skeleton-containing naphthol compound and ester compound
02/13/2013CN101747183B Single acylation method of dihydroxybenzene alkyl ketone
02/13/2013CN101665433B New pyrethroid compound and preparation method and application
02/13/2013CN101475482B Preparation of dimethyl acetone-1,3-dicarboxylate
02/12/2013US8373003 Method of removing heavy hydrocarbons from reaction products in the production of sec-butyl acetate
02/07/2013WO2013019442A1 Process for the preparation of 1,3-cyclohexanedimethanol from isophthalic acid
02/07/2013WO2013019441A1 Process for the preparation of 1,4-cyclohexanedimethanol from terephthalic acid
02/07/2013WO2013019440A1 Integrated process for the preparation of 1,4-cyclohexanedimethanol from terephtalic acid
02/07/2013WO2013019439A1 Process for the preparation of 1,4-cyclohexanedimethanol
02/07/2013WO2013018465A1 Method for producing geminal difluoro compound
02/07/2013WO2013017474A1 Method for producing (meth)acrylic acid esters from polyols
02/07/2013WO2013016840A1 Novel intermediate used for preparing tapentadol or analogues thereof
02/07/2013WO2012149146A3 Reduced energy ethanol separation process having controlled pressure
02/07/2013WO2012113533A3 Process and device for the preparation of an ester in granule form
02/07/2013US20130035504 Process For Preparing (Meth)Acrylic Esters Of Polyols
02/07/2013US20130035502 Methods of refining and producing fuel and specialty chemicals from natural oil feedstocks
02/07/2013US20130035500 Method of preparing functionalized graphene
02/07/2013US20130035431 Alkyl aromatic plasticizers and methods of making
02/07/2013US20130035278 Cyclohexene Derivatives and Their Use as Odorants
02/07/2013US20130035271 Esters from solid polyols and unsaturated carboxylic acids
02/07/2013CA2841384A1 Process for preparing (meth)acrylic esters from polyols
02/06/2013EP2554535A1 Method for manufacturing (meth)acrylic acid esters from polyols
02/06/2013EP2552882A1 Method for producing n-propyl acetate and method for producing allyl acetate
02/06/2013CN102911795A Method for preparing fish oil ethyl ester by microwave esterification and purifying ethyl eicosapentaenoate
02/06/2013CN102911352A Preparation method of low-molecular-weight acetyl-terminated allyl alcohol polyether
02/06/2013CN102911327A Preparation method of conjugated diene and polar monomer segmented copolymer with low molecular weight
02/06/2013CN102911058A Synthetic method of plant growth regulator trinexapac-ethyl intermediate 3-carbethoxy-5-oxo-cyclohexane-1-enol cyclopropanecarboxylate
02/06/2013CN102911057A Preparation method of ketoprofen ethyl ester
02/06/2013CN102911056A High-efficiency environment-friendly process for preparing chicoric acid from Echinacea
02/06/2013CN102911055A Method for extracting chlorogenic acid
02/06/2013CN102911054A Preparation method of 4,4,4-trifluoro-2-butenoate
02/06/2013CN102911053A Method for synthesizing dialkyl maleate via catalyst split-packed mode
02/06/2013CN102911051A Refining method of dinonyl adipate
02/06/2013CN102911050A Preparation method of diisobutyl adipate
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