Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
04/2014
04/30/2014CN103755533A Method for synthesizing anethole by taking estragole oil as raw material
04/30/2014CN103755532A Chloromethyl ether continuous production system and production process utilizing same
04/30/2014CN103755531A Method for recycling methyl dibutyl ether in butachlor recovery xylene
04/30/2014CN103755530A Method for synthesizing aryl acetylene
04/30/2014CN103755526A Method of preparing alpha-phenethyl alcohol compounds by catalytic oxidation of side chains of aromatic hydrocarbon by using metalloporphyrin
04/30/2014CN103755520A Method for producing substituted benzyl alcohol, substituted benzaldehyde and substituted benzyl acid through oxidizing substituted methylbenzene with air based on gas-liquid-solid heterogeneous reaction separation synchronization reactor
04/30/2014CN103752226A Self-circulation chemical synthesizer for executing separation and preheating by refrigerating device
04/30/2014CN103752225A Self-circulating synthesis reactor with double rising kinetic energy
04/30/2014CN103752224A Synthesis reactor with spiral preheating passage
04/30/2014CN103752158A Method for treating glyphosate hydrolyzing tail gas
04/30/2014CN102803208B Fluorinated aromatic bis(acyl)-containing compounds and polyesters prepared therefrom
04/30/2014CN102617342B (+/-)-alkannin naphthazarin parent nucleus oxygen alkyl acylation derivant and preparation method thereof
04/30/2014CN102617296B On-line agent changing method of methyl tert-butyl ether (MTBE) expanded bed reactor
04/29/2014US8710277 Process for making diethyl ether from acetic acid
04/29/2014CA2516078C Catechol compositions and use thereof
04/24/2014WO2014060640A1 A process for the preparation of ospemifene
04/24/2014WO2014060639A1 A process for the preparation of ospemifene
04/24/2014US20140114093 System and method for continuously producing polyoxymethylene dialkyl ethers
04/24/2014US20140114092 System and method for continuously producing polyoxymethylene dimethyl ethers
04/23/2014CN203558989U Extraction system for polyoxymethylene dimethyl ether preparation device
04/23/2014CN203558988U Butane recycling device
04/23/2014CN203558987U Device for preparing methyl tertiary butyl ether by dehydrogenation of isobutane
04/23/2014CN103748063A Process for producing alpha-fluoroaldehydes
04/23/2014CN103739469A Process for preparing MEK (Methyl Ethyl Ketone) by utilizing C4 fraction in etherified liquefied petroleum gas
04/23/2014CN103739463A Simple and convenient method for producing high-purity ortho-formate
04/23/2014CN103739462A Preparation method of diethoxymethane
04/23/2014CN103739461A Synthesis method of low polymerization degree methoxy dimethyl ether and catalyst
04/23/2014CN103739460A Method of preparing polyoxymethylene dimethyl ethers from trioxymethylene
04/23/2014CN103739459A Preparation method of polyoxymethylene dimethyl ethers
04/23/2014CN103739458A Preparation method of polyoxymethylene dimethyl ethers
04/23/2014CN103739457A Method for synchronously preparing guaiacol and syringol from bamboo lignin
04/23/2014CN103739456A New derivative of 2-(p-((Z-4-chloro-1,2-diphenyl-1-butenyl) phenoxy) ethanol and application thereof
04/23/2014CN103739455A Technology for preparing dimethyl ether by performing gas-phase catalytic dehydration on methanol
04/23/2014CN103739454A Process for preparing MTBE (Methyl Tert Butyl Ether) from C4 fraction in etherified liquefied gas
04/23/2014CN103739453A Process for preparing ETBE (Ethyl Tert Butyl Ether) by using C4 fraction in etherified liquefied gas
04/23/2014CN103739452A Synthetic method of m-chloroanisole
04/23/2014CN103739451A Method for introducing fluorocarbon into aromatic compounds
04/23/2014CN103739450A Preparation method of hydrofluoroether
04/23/2014CN103739440A (Z)-2-bromo-1-fluoro-aromatic olefin type compound, as well as synthesis method and use thereof
04/23/2014CN103739421A 1,1-stilbene derivative and preparation method
04/23/2014CN103736523A High-stability metal-organic framework composite material, and preparation method and application thereof
04/23/2014CN103736503A Solid acid catalyst with high-efficiency ring-opening reaction catalysis performance
04/23/2014CN103736428A Integrated synthesis reactor using refrigerating device to carry out separation and pre-heating
04/23/2014CN103736427A Self-circulating chemical synthesis system for synergizing separation of products by refrigerating device
04/23/2014CN103736384A Treatment process of glyphosate hydrolyzing tail gas
04/23/2014CN102336634B Compounds containing 1,2-difluoroethylene and difluoromethylene ether structure, and preparation and application thereof
04/23/2014CN102206145B Continuous catalysis and rectification technology for synthesizing diethoxymethane
04/23/2014CN101979366B Diarylheptanoid compounds in curcuma zedoary and medicinal application thereof
04/23/2014CN101503341B Novel technique for preparing schizandrol A and schizandrol B
04/22/2014US8704005 Methods for making polyglycerol
04/22/2014US8704004 Ether-based reactive plasticizer for plastic bonded explosives
04/22/2014US8704003 Method for preparing a mixture of biofuels
04/17/2014US20140107380 Method for producing bioderived dipropylene and tripropylene glycols without propylene oxide
04/17/2014US20140107356 Methods for producing epoxidation catalysts and epoxidation methods utilizing them
04/17/2014US20140105839 Family of aryl, heteroaryl, o-aryl and o-heteroaryl carbasugars
04/17/2014US20140101988 Fuels And Fuel Additives Production From Glycerol Conversion Using A Monohydric Alcohol And Heterogeneous Catalysis
04/16/2014CN203545913U Polyoxymethylene dimethyl ether catalyst loading and unloading device
04/16/2014CN103725292A Liquid crystal compound having negative dielectric anisotropy, and liquid crystal composition including same
04/16/2014CN103724459A Method for resource utilization of skim serum
04/16/2014CN103724207A Hydroxyphenyl benzyl ether derivative as well as preparation method and application thereof
04/16/2014CN103724189A Method for preparing monophenol compound by liquefying and degrading lignin through microwave concerted catalysis
04/16/2014CN103724169A Preparation method of 4,4'-dihydroxydiphenyl ether
04/16/2014CN103724168A Difluoro methoxy bond derivative containing deuterium as well as preparation method and application of derivative
04/16/2014CN103724167A Environment-friendly synthesis method of high-yield perfluoromethylvinyl ether (PMVE)
04/16/2014CN103724166A Preparation method of 3, 3-diethoxy-1-propanol
04/16/2014CN103724151A Method for synthesizing 9-aryl fluorene compound
04/16/2014CN102795973B Synthetic method of ethylene glycol monoallyl ether
04/16/2014CN102432440B Completely-biodegradable surfactant
04/16/2014CN102321104B Alkyl-bridged N-heterocyclic dicarbene metal complex as well as preparation method and application thereof
04/16/2014CN102320938B Preparation method for 3,3,3-trifluoropropenyl methyl ether
04/16/2014CN102040487B Method for preparing 3,4-dimethoxy toluene under catalysis
04/16/2014CN101792376B Fluorescent conjugated compound, preparation method and application thereof
04/15/2014US8697919 1-methoxyl-2, 6, 10-trimethyl-1, 3, 5, 9-undec-tetraene, and preparation method and uses thereof
04/10/2014WO2014053744A1 Method for synthesising cyclohexenones and the use of same in the perfume industry
04/10/2014US20140100391 Efficient, self sufficient production of methanol from a methane source via oxidative bi-reforming
04/10/2014DE10065218B4 Herstellung von disubstituierten Tetrafluorethylen-Derivaten Preparation of disubstituted tetrafluoroethylene derivatives
04/09/2014EP2714634A1 Method for preparing alkoxylated bisphenol derivatives
04/09/2014CN203530181U Reaction device for MTBE (Methyl Tert Butyl Ether) production
04/09/2014CN203530180U Recycling device
04/09/2014CN203530179U MTBE (Methyl Tert Butyl Ether) deep desulfurization device
04/09/2014CN103717564A Process for preparing acetals and ketals
04/09/2014CN103717563A Compound with 2-fluorophenyloxymethane structure
04/09/2014CN103709389A Preparation method of polyether polyol for hard foam polyurethane
04/09/2014CN103709019A Acidic ionic liquid catalyzed synthesis method of low carbon polyether compound
04/09/2014CN103709018A Method for preparing guaiacol
04/09/2014CN103709017A Conversion method of 1-cyclohexyl-2,3-difluorobenzene derivative cis-trans-isomers
04/09/2014CN103709016A Process and device for refining glycol dimethyl ether by using pervaporation method
04/09/2014CN103706383A Catalyst for preparing guaiacol from catechol and preparation method thereof
04/09/2014CN103706305A Split self-circulation chemical synthesizer
04/09/2014CN102851033B 2,3,2',3'-Tetrafluorodiphenylethane type negative liquid crystal material and preparation method thereof
04/09/2014CN102659534B Method for extracting 4-ethyl guaiacol from straw bio-oil
04/09/2014CN102516215B Preparation method of C-glucoside containing saturated cyclohexane structure
04/09/2014CN102036942B Method of separating phenolic compounds in salified form
04/09/2014CN101768109B Bi-methyl fluoride sulfones compound and application thereof
04/03/2014WO2014048692A1 Low catalyst loading in metathesis reactions
04/03/2014US20140094628 Method of separating phenolic compounds in salified form
04/02/2014CN203513536U Device for preventing trioxymethylene polymerization in polymethoxy dimethyl ether production process
04/02/2014CN203513535U Production device of synthesized methyl tertiary butyl ether
04/02/2014CN203508042U Device for recycling catalyst for preparing polymethoxy dimethyl ether
04/02/2014CN203508030U Circulating device for preparing polymethoxy dimethyl ether
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