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Class Information
Number: 568/411
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Ketones > Acyclic > Processes > Purification or recovery > Acetone or haloacetone purified or recovered
Description: Processes wherein the compound purified or recovered has the following structure in which one or more hydrogens may be replaced by halogens:










Patents under this class:
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Patent Number Title Of Patent Date Issued
8710274 Method of purifying crude acetone stream Apr. 29, 2014
8415506 Energy efficient acetone drying method Apr. 9, 2013
8058479 Method for purifying acetone Nov. 15, 2011
7919657 Process for dehydration of hexafluoroacetone hydrate Apr. 5, 2011
7605291 Method for the preparation of volatile Anesthetics Oct. 20, 2009
7456322 Process for preparing 1,3-dibromoacetone, 1-3-dichloroacetone and epichlorohydrin Nov. 25, 2008
7416645 Continuous process for recovering acetone from a waste stream resulting from acetone purification Aug. 26, 2008
7141700 Decomposition of cumene hydroperoxide Nov. 28, 2006
7141701 Decomposition of cumene hydroperoxide Nov. 28, 2006
7002043 Process for producing 1,1,1-trifluoroacetone Feb. 21, 2006
6984761 Co-production of phenol, acetone, .alpha.-methylstyrene and propylene oxide, and catalyst therefor Jan. 10, 2006
6933413 Processes for preparation of hexafluoroacetone and its hydrate Aug. 23, 2005
6933414 Acetone process Aug. 23, 2005
6831160 Method of affinity purifying proteins using modified bis-arsenical fluorescein Dec. 14, 2004
6774266 Process for producing 1,1,1-trifluoroacetone Aug. 10, 2004
6657087 Process and apparatus for the work-up by distillation of cleavage product mixtures produced in the cleavage of alkylaryl hydroperoxides Dec. 2, 2003
6548712 Process for producing 1,1,1,5,5,5-hexafluoroacetylacetone Apr. 15, 2003
6541676 Integrated palladium-based micromembranes for hydrogen separation and hydrogenation/dehydrogenation reactions Apr. 1, 2003
6452056 Process for the preparation of fluorobenzyl derivatives Sep. 17, 2002
6392101 Process for purifying 1,1,1,5,5,5-hexafluoroacetylacetone May. 21, 2002
6384286 Process for purifying 1,1,1,5,5,5-hexafluoroacetylacetone May. 7, 2002
6340777 Method for purifying acetone Jan. 22, 2002
6340776 Process for producing 1,1,1-trifluoroacetone Jan. 22, 2002
6331654 Method of production of product acetone of high stability to oxidation Dec. 18, 2001
6303826 Method for purification of acetone Oct. 16, 2001
6262312 Process for producing 1,1,1-trifluoroacetone Jul. 17, 2001
6177595 Process of producing chlorofluoroacetones Jan. 23, 2001
5998671 Fluorinated ketones and method for making same Dec. 7, 1999
5905174 Method for producing 3,3-dichloro-1,1,1-triflouroacetone May. 18, 1999
5788818 Process for the purification of acetone Aug. 4, 1998
5762764 Purification of acetone Jun. 9, 1998
5567853 Purification of acetone Oct. 22, 1996
5504239 Process for separating off alkanols from other organic compounds of higher carbon number Apr. 2, 1996
5457239 Process for formylation of aromatic compounds Oct. 10, 1995
5399776 Purification of acetone Mar. 21, 1995
5262014 Process for removing acetone from a mixture of acetone, methyl, acetate and methyl iodide Nov. 16, 1993
5244545 Process for removing acetone from carbonylation processes Sep. 14, 1993
5240566 Separation process Aug. 31, 1993
5187131 Method for regenerating particulate adsorbents Feb. 16, 1993
5057192 Acetone removal from acetic anhydride production process Oct. 15, 1991
5008412 Process for the production of oxides Apr. 16, 1991
4990632 Process for the production of oxides Feb. 5, 1991
4931145 Separation of benzene from acetone by azeotropic distillation Jun. 5, 1990
4910344 Treatment of compositions containing water and organic oxygenates Mar. 20, 1990
4885399 Process for obtaining substantially aldehyde-free ketone products Dec. 5, 1989
4875980 Method for separating and concentrating an organic component from an aqueous solution containing same Oct. 24, 1989
4722769 Process for recovery of acetone Feb. 2, 1988
4717697 Method of regenerating zeolite to remove acetone and water Jan. 5, 1988
4717454 Process for removing acetone from reaction mixtures of carbonylation reactions Jan. 5, 1988
4678583 Use of hydrates for aqueous solution treatment Jul. 7, 1987

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