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Class Information
Number: 568/605
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Ethers > Plural oxygens bonded directly to the same carbon (e.g., acetals, ketals, orthoesters, orthocarbonates, etc.) > Acyclic > Ion exchange resin or sulfuric acid utilized
Description: Processes wherein an ion exchange resin or sulfuric acid is utilized in preparing the compound.

Patents under this class:

Patent Number Title Of Patent Date Issued
8288596 Manufacture of purified alcohols Oct. 16, 2012
7700814 Manufacture of alcohols Apr. 20, 2010
7488851 Industrial process for acetals production in a simulated moving bed reactor Feb. 10, 2009
7015363 Process for producing ether compound Mar. 21, 2006
6673971 Preparation of 1,1,4,4-tetramethoxy-2-butene Jan. 6, 2004
6486362 Process for producing oxygen-containing compounds containing at least one oxygen atom bonded to two distinct carbon atoms which are not bonded together and not including a multiple bond Nov. 26, 2002
6211401 Process for preparing polytetrahydrofuran Apr. 3, 2001
5892129 Process for the preparation of 1,1,3-trialkoxypropane Apr. 6, 1999
5545712 Preparation process for polyoxyalkylene polyol Aug. 13, 1996
5527969 Process for preparing acetaldehyde diethyl acetal Jun. 18, 1996
5468840 Preparation process of polyoxyalkylene polyols and process of alkylene oxide recovery Nov. 21, 1995
5399778 Process for the preparation of ketals Mar. 21, 1995
5362918 Process for producing acetaldehyde dimethylacetal Nov. 8, 1994
4769497 Process for the synthesis of 2,2-dialkoxy-propanes Sep. 6, 1988
4658069 Conversion of allyl ethers to acetals Apr. 14, 1987
4593135 Method for promoting the activity and/or extending the life of cation-exchangeable layered clay catalysts in proton-catalyzed reactions Jun. 3, 1986
4579979 Method for preparation of acetals Apr. 1, 1986
3969416 Preparation of ketals Jul. 13, 1976

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