Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
04/2014
04/02/2014CN203507982U Liquid phase dehydration reactor for preparing dimethyl ether from methanol
04/02/2014CN203507974U Device for preparing polymethoxydimethyl ether and feed system thereof
04/02/2014CN203507971U Trioxymethylene feeding system and polyoxymethylene dimethyl ether production device
04/02/2014CN203507573U Integrated secondary absorption-distillation column for MTBE (Methyl Tert Butyl Ether) desulfuration
04/02/2014CN103694260A High-stability metal organic skeleton hybrid material, preparation method and application thereof
04/02/2014CN103694213A Extraction separation preparation method of lignin monomers in schisandra chinensis
04/02/2014CN103694090A Preparation method of guaiacol
04/02/2014CN103694089A Mailuoning phenol and preparation method and application thereof
04/02/2014CN103694088A Method for separating ethylene glycol mixture series
04/02/2014CN103691368A One-way compression type self-circulation chemical synthesis reactor
04/02/2014CN103691367A Equal-pressure self-circulation chemical synthesizer
04/02/2014CN102731270B Method for extracting quebrachitol from rubber waste water
04/02/2014CN102731269B Synthesis method of 4-methoxymethyl-2,3,5,6-tetrafluorobenzyl alcohol
04/02/2014CN102585201B Method for preparing polyol for hard polyurethane foam by using kitchen waste
04/02/2014CN102557888B Method for deeply desulfurizing methyl tertiary butyl ether
04/02/2014CN102503752B Method for preparing polysubstituted 2-naphthol
04/02/2014CN102452908B Method for preparing glycol monoether from ethylene
04/02/2014CN102351661B Method for preparing methyl tertiary butyl ether (MTBE)
04/02/2014CN102329199B Method for synthesizing biphenyl compounds under composite catalytic actions of Pd/C and crown ether
04/02/2014CN101898943B Method for synthesizing polyoxymethylene dimethyl ethers
04/02/2014CN101657406B Crystalline polymorph of fluorene derivative and process for production thereof
04/01/2014US8685274 Compound having a five-membered ring, the liquid crystal composition and the liquid crystal display device
03/2014
03/27/2014WO2014045871A1 Method and system for producing liquid fuel and generating electric power
03/27/2014US20140088316 Alkylene oxide catalyst and use thereof
03/26/2014EP2711351A1 Low catalyst loading in metathesis reactions
03/26/2014CN203498287U MTBE (Methyl Tert-Butyl Ether) production device capable of replacing catalyst
03/26/2014CN203498286U MTBE (methyl tert-butyl ether) production device facilitating catalyst replacement
03/26/2014CN203498285U MTBE (Methyl Tert-Butyl Ether) production device with nitrogen replacement system
03/26/2014CN203494193U Azeotropic rectifying device for separating propylene glycol monomethyl ether from water
03/26/2014CN203494192U Device for continuously recovering propylene glycol monomethyl ether and propylene glycol methyl ether acetate
03/26/2014CN203494191U Device for intermittent recovery of propylene glycol methyl ether and propylene glycol methyl ether acetate
03/26/2014CN103687839A Precursor compounds and methods for making same
03/26/2014CN103665066A Method for extracting rhaponticin and rhapontigenin in trigonella foenum-graecum L. by subcritical fluid
03/26/2014CN103665065A Method for quick preparation of rhaponticin and rhapontigenin
03/26/2014CN103665036A Chiral sulfoxide-phosphine compound, preparation and appliance thereof
03/26/2014CN103664552A Synthesis method for triethyl orthoformate
03/26/2014CN103664551A Synthesis method of methylal
03/26/2014CN103664550A Method for synthesizing polymethoxy acetal
03/26/2014CN103664549A Polyformaldehyde dimethyl ether synthesis method
03/26/2014CN103664548A Preparation method of polyformaldehyde dimethyl ether
03/26/2014CN103664547A Method for synthesizing polyformaldehyde dimethyl ether
03/26/2014CN103664546A Method for preparing polyoxymethylene dimethylether
03/26/2014CN103664545A Method for synthesizing polyformaldehyde dimethyl ether from methanol, methylal and paraformaldehyde
03/26/2014CN103664544A Method for synthesizing polyformaldehyde dimethyl ether by methanol and trioxymethylene
03/26/2014CN103664543A Method for preparing polyformaldehyde dimethyl ether from paraformaldehyde
03/26/2014CN103664542A Method for preparing 2-bromine-6-methoxynaphthalene with micro-channel modularized reaction device
03/26/2014CN103664541A Aromatic vinyl benzyl ether compound, hardenable composition containing same, and applications thereof
03/26/2014CN103664540A Liquid crystal compound, preparation method thereof, liquid crystal mixture with same and application thereof
03/26/2014CN103664539A Spiro [3,5] nonane derivative, and preparation method and application thereof
03/26/2014CN103664538A Method for preparing 2-(2-ethoxyphenoxy) ethyl bromide
03/26/2014CN103664520A Method for preparing isopropyl alcohol through hydration reaction of propylene
03/26/2014CN103664499A Synthesis method of tetracene and pentacene compounds
03/26/2014CN103664463A Method for preparing acetylene, ethylene, ethanol and ethylene glycol and coproducing hydrazine hydrate, benzene and derivatives of hydrazine hydrate and benzene by using CO or CO2
03/26/2014CN103657532A Self-circulation chemical synthesizer
03/26/2014CN103657130A External-arrangement reactor type methylal rectifying tower
03/26/2014CN103657129A Methylal rectifying tower with solvent feeding ports
03/26/2014CN102875336B 2-substituted benzene alkynyl-1,2-dihydro-1-naphthalene alcohol compound, preparation method thereof and application of compound to preparation of acetylcholinesterase resisting medicine
03/26/2014CN102702720B High-hardness POP (polyether polyol) polyether and application thereof
03/26/2014CN102633606B 3,3'-dimethoxy-5,5'-dibromo-6,6'-diiodobiphenyl and synthesis method thereof
03/26/2014CN102584548B Preparation method for bromine benzyls compound
03/26/2014CN102503750B Preparation method of a dichloromethyl or dichloromethylene-containing aromatic organic compound
03/26/2014CN102369005B Production method for ubiquinone powder for use in preparations and product thereof
03/26/2014CN102276379B Method for coproducing dimethyl ether serving as byproduct in process of preparing low-carbon olefin through methanol conversion
03/26/2014CN102134175B Preparation method of benzyl fluorine organic compound
03/26/2014CN102010302B Method for preparing 3,4-dimethoxytoluene by using monobromomethane-containing waste gas as raw material
03/26/2014CN101952232B Process for the conversion of alcohol (s) into alcohol (s) with increased carbon- chain
03/25/2014CA2619539C Process for converting difficultly convertible oxygenates to gasoline
03/25/2014CA2466449C P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions
03/20/2014WO2014041344A1 Metathesis reactions with cardanol and/or anacardic acid
03/20/2014WO2014040719A1 Method for producing dimethyl ether and device suitable therefor
03/19/2014EP2708526A1 Surfactant compositions and use for aqueous compositions
03/19/2014CN203487063U Device for preparing polyoxymethylene dimethyl ethers
03/19/2014CN103649032A Processes for preparing or recovering acetals or ketals by means of pervaporation
03/19/2014CN103649028A Chrysophaentin analogs that inhibit FtsZ protein
03/19/2014CN103641697A Preparation method of medical intermediate 1-(3-iodopropyl)-3-phenoxy benzene
03/19/2014CN103641696A Method for synthesizing dihydroxypropyl bisphenol A ether through one-step process
03/19/2014CN103641695A Method for jointly producing glycol ether and ethylene glycol diethyl ether by adopting ethylene glycol as raw material
03/19/2014CN103641694A Method for preparing dipropylene glycol dipropyl ether
03/19/2014CN103641693A Low-energy-consumption MTBE (methyl tert-butyl ether) production method
03/19/2014CN103641673A Method for catalytic reduction of carbon-carbon double bond by carbon nitride supported metal nanoparticles
03/19/2014CN102516037B Method for preparing ethylene glycol antimony ester by rapid impurity removal and decoloration
03/19/2014CN102320939B Synthesis method of natural equivalent anise alcohol
03/19/2014CN101550072B Effective component of cogongrass rhizome and preparation method thereof
03/18/2014US8674146 Method for producing alkylene oxide addition products
03/18/2014US8674135 Functionalized ionic liquids, and methods of use thereof
03/13/2014WO2014036994A1 Method for improving the transportability of heavy crude oil
03/13/2014US20140073818 Method for hydroxylating phenols and phenol ethers
03/13/2014DE102012017718A1 Verfahren und Vorrichtung zur Verwendung von Methanol in einem Verbrennungsmotor, insbesondere einem Verbrennungsmotor mit Selbstzündung Method and apparatus for use of methanol in an internal combustion engine, in particular an internal combustion engine with auto-ignition
03/12/2014EP2706063A1 Ruthenium-diamine complex and method for producing optically active compound
03/12/2014EP2706052A2 Method and device for using methanol in an internal combustion engine, in particular a combustion engine with self-ignition
03/12/2014CN103635480A Palladium complex and method for producing same, method for producing vinyl ether compound, and method for collecting palladium complex
03/12/2014CN103635452A Reduced coenzyme Q10 crystal having excellent stability
03/12/2014CN103635451A Process for the manufacturing of sevoflurane
03/12/2014CN103635450A Method for producing ditrimethylolpropane
03/12/2014CN103627417A Method for preparing biomass charcoal and jointly producing dimethyl ether from straw briquette
03/12/2014CN103626641A Preparation method for alpha-amyl cinnamic aldehyde dimethyl acetal
03/12/2014CN103626640A Process unit and method for preparing polymethoxy dimethyl ether
03/12/2014CN103626639A Reduction of HMF ethers with metal catalyst
03/12/2014CN103626634A Fluorine-containing alkynol compound and synthesis method thereof
03/12/2014CN103626618A Preparation method of fluorene compounds
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