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Class Information
Number: 568/366
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Ketones > Processes of preparing, purifying, or recovering alicyclic ring containing ketones > Purification or recovery
Description: Processes which include separating the compound from impurities or from the reaction mixture.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8658834 Hydrogenation process Feb. 25, 2014
8648215 Spiroenone and uses thereof Feb. 11, 2014
8618334 Cyclohexanone production process with modified post-distillation Dec. 31, 2013
8507729 Cyclohexanone production process with multiple post-distillation Aug. 13, 2013
8211275 Method of minimizing aldehyde-based impurities in a process stream Jul. 3, 2012
7795473 System and method for preparing cycloalkanone Sep. 14, 2010
7696396 Method for extraction and concentration of carotenoids using supercritical fluids Apr. 13, 2010
7504541 Process for stabilizing cyclobutanone derivatives Mar. 17, 2009
7468463 Method for producing optically active carbonyl compounds Dec. 23, 2008
7285684 Process for separating imide compounds Oct. 23, 2007
7202205 Processes for making surfactants via adsorptive separation and products thereof Apr. 10, 2007
7199271 Method for reducing cyclohexenone content of a cyclohexenone-containing organic mixture Apr. 3, 2007
6844470 Process for the purification of 1,3-diketones Jan. 18, 2005
6815413 Macrocyclic ketones Nov. 9, 2004
6787674 (+)-1-Bisabolone isolated from cymbopogon flexuosus and antibacterial activity thereof Sep. 7, 2004
6770618 (1S,6R)-2,2,6-Trimethylcyclohexyl methyl ketone and/or (1R,6S)-2,2,6-trimethylcyclohexyl methyl ketone, process for producing the same, and perfume composition containing the same Aug. 3, 2004
6583322 Dihydro and hexahydro isoalpha acids having a high ratio of trans to cis isomers, production thereof, and products containing the same Jun. 24, 2003
6545186 Process for the purification of ketones obtained from the corresponding terpenes by ozonolysis and reduction Apr. 8, 2003
6521796 Dihydro and hexahydro isoalpha acids having a high ratio of trans to cis isomers, production thereof, and products containing the same Feb. 18, 2003
6500989 Preparation of carvone Dec. 31, 2002
6444096 Process for the recovery and purification of cyclobutanone Sep. 3, 2002
6392101 Process for purifying 1,1,1,5,5,5-hexafluoroacetylacetone May. 21, 2002
6352726 Method of killing protozoa Mar. 5, 2002
6310257 Substituted cyclopentene derivatives and method for preparing the same Oct. 30, 2001
6300509 Amino-amide-ruthenium complexes Oct. 9, 2001
6294689 Methods for removing catalyst after oxidation of hydrocarbons Sep. 25, 2001
6255533 Process for the recovery of cyclohexanone and cyclohexanol from cyclohexanone production distillation bottoms Jul. 3, 2001
6204416 Method for the transformation of cis- and trans-cyclododecene oxide into cyclododecanone Mar. 20, 2001
6198004 Process for hydrogenation of isoalpha acids Mar. 6, 2001
6187961 Process for the preparation of trans-(R,R)-actinol Feb. 13, 2001
6162758 Process for dehydrogenating secondary cyclic alcohols Dec. 19, 2000
6042698 Decolorization process Mar. 28, 2000
5917093 Purification of .alpha.-acids and .beta.-acids Jun. 29, 1999
5907065 Method of producing .beta.-isophorone by the isomerization of .alpha.-isophorone May. 25, 1999
5777173 Preparation of pure trans- and cis-4-Hydroxy-2,2,6-trimethylcyclohexan-1-one from isomerc mixtures Jul. 7, 1998
5395977 Process for producing optical active 4-hydroxy-2-cyclopentenone Mar. 7, 1995
5352839 Isophorone process Oct. 4, 1994
5302759 Process for separating ketones from alcohols Apr. 12, 1994
5292960 Process for purification of cyclohexanone Mar. 8, 1994
5264236 Method for production of hop extracts and hop extracts obtained thereby Nov. 23, 1993
5223647 Chemical modification method of diastereomer and separation method thereof Jun. 29, 1993
5168983 Process for removing impurities from the mixture of cyclohexanone and cyclohexanol Dec. 8, 1992
4921873 Antiviral and antitumor cyclohexadienone compositions May. 1, 1990
4918240 Purification of beta acids for hydrogenolysis and such purified beta acids Apr. 17, 1990
4902716 Anti-viral chamigrene derivatives Feb. 20, 1990
4701542 Resolution of hemiacetals and alcohols Oct. 20, 1987
4683341 Optical resolution of oxycyclopentenone Jul. 28, 1987
4590296 Process for separation of beta-acids from extract containing alpha-acids and beta-acids May. 20, 1986
4562295 Method of purifying cyclohexanone containing by-product organic acids Dec. 31, 1985
4523980 Process for the recovery of high purity squaric acid Jun. 18, 1985

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