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Class 568/699 - Purification or recovery


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Processes which include separating the compound from impurities
No. of applications: 7
Last issue date: 02/17/2011


Application No.Application TitleIssue Date
20110040129PROCESS FOR THE PRODUCTION OF DIMETHYL ETHER
A process for the production of dimethyl ether from a methanol reactor effluent is disclosed. The process may include: contacting an aqueous extractant comprising water and an effluent from a methanol synthesis reactor comprising methanol and one or more of methane, wat...
02/17/2011
20090275786PROCESS FOR PRODUCING GLYCERYL ETHER
A method for producing a glyceryl ether, including the steps of feeding a compound represented by the general formula (I):

wherein R is a hydrocarbon group having 1 to 20 carbon atoms, a part or all of the hy...

11/05/2009
20080132733Process for making dibutyl ethers from aqueous 2-butanol
The present invention relates to a catalytic process for making dibutyl ethers using a reactant comprising 2-butanol and water. The dibutyl ethers so produced are useful in transportation fuels....
06/05/2008
20080132734Process for making dibutyl ethers from dry 2-butanol
The present invention relates to a process for making dibutyl ethers using dry 2-butanol derived from fermentation broth. The dibutyl ethers so produced are useful in transportation fuels....
06/05/2008
20080015396Process for making dibutyl ethers from dry isobutanol
The present invention relates to a process for making dibutyl ethers using dry isobutanol derived from fermentation broth. The dibutyl ethers so produced are useful in transportation fuels. ...
01/17/2008
20080015397Process for making isooctenes from aqueous 1-butanol
The present invention relates to a catalytic process for making isooctenes using a reactant comprising 1-butanol and water. The isooctenes so produced are useful for the production of fuel additives. ...
01/17/2008
20050054885Separation of methanol, ethanol and/or dimethyl ether from hydrocarbon mixtures
The present invention is a separation process for producing a methanol, ethanol and/or dimethyl ether stream from a first stream containing C3+ hydrocarbons. The first stream comprises C3+ hydrocarbons, methanol, ethanol and/or dimethyl ether. The ...
03/10/2005
 
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