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Class Information
Number: 568/304
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Ketones > With preservative or stabilizer
Description: Products wherein the ketone is mixed with a preserving or stabilizing agent which functions to prevent physical or chemical change.

Patents under this class:

Patent Number Title Of Patent Date Issued
8414870 Benzylidene substituted 2,4-pentanedione compounds and use thereof as stabilizers Apr. 9, 2013
H2211 Stabilization of fluorinated ketones Mar. 4, 2008
6815563 Method for producing bicyclic 1,3-diketones Nov. 9, 2004
6531075 Stabilization of perfluoroalkyl alkyl ketones Mar. 11, 2003
6320069 Production of optically active ketone Nov. 20, 2001
6248927 Stabilized cyclobutanone compositions Jun. 19, 2001
5874631 Method and composition to increase the life of Liquid hydroxy-and alkoxyalkyl ketones Feb. 23, 1999
5801120 Substituted benzoyl (hetero) cyclic diones Sep. 1, 1998
5670692 7-substituted quinone methides as inhibitors for unsaturated monomers Sep. 23, 1997
5624663 Photostable cosmetic filter composition cotaining a UV-A filter and a substituted dialkylbenzalmalonate, the use of substituted dialkylbenzalmalonates in cosmetics as broad-band solar filters Apr. 29, 1997
5605680 Photostable cosmetic composition containing a UV-A screen and a UV-B screen and a process for stabilizing the UV-A screen with the UV-B screen Feb. 25, 1997
5587150 Photostable cosmetic screening composition containing a UV-A screening agent and an alkyl .beta., .beta.-diphenylacrylate or .alpha.-cyano-.beta. , .beta.-diphenylacrylate Dec. 24, 1996
5576354 Photostable cosmetic screening composition containing a UV-A screening agent and an alkyl .beta., .beta.-diphenylacrylate or .alpha.-cyano-.beta. , .beta.-diphenylacrylate Nov. 19, 1996
4912261 Stable isopropenyl acetophenone solutions Mar. 27, 1990
4582941 Process for producing squaric acid Apr. 15, 1986
4320231 Aqueous solutions of dialdehydes and ketones Mar. 16, 1982
4200586 Inhibiting the carbon-carbon double bond isomerization of substituted or unsubstituted hydrocarbon compounds Apr. 29, 1980

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