Catalysts and methods for alcohol dehydration

US9051252B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9051252-B2
Application numberUS-201314385910-A
CountryUS
Kind codeB2
Filing dateMay 29, 2013
Priority dateMay 31, 2012
Publication dateJun 9, 2015
Grant dateJun 9, 2015

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  5. First independent claim

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Abstract

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Provided is a process for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a dehydration catalyst. The dehydration catalyst is an oxide of a light rare earth element, wherein the light earth element is lanthanum, praseodymium, neodymium, or mixtures thereof.

First claim

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We claim: 1. A method for preparing a diaryl ether, the method comprising dehydrating an aromatic alcohol compound over a dehydration catalyst, wherein the dehydration catalyst is an oxide of a light rare earth element. 2. The method of claim 1 wherein the dehydration catalyst further comprises a halogen. 3. The method of claim 2 wherein the halogen is chloride or fluoride ion. 4. The method of any one claim 1 wherei…

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What does patent US9051252B2 cover?
Provided is a process for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a dehydration catalyst. The dehydration catalyst is an oxide of a light rare earth element, wherein the light earth element is lanthanum, praseodymium, neodymium, or mixtures thereof.
Who is the assignee on this patent?
Dow Global Technologies Llc
What technology area does this patent fall under?
Primary CPC classification C07C41/09. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Jun 09 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).