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Class Information
Number: 549/554
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen as the only ring hetero atoms (class 540, subclass 1) > Oxygen containing hetero ring (e.g., dioxirane, etc.) > The hetero ring is three-membered consisting of one oxygen and two carbons > Chalcogen attached indirectly to the hetero ring by nonionic bonding
Description: Compounds in which chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the oxirane ring by nonionic bonding.

Sub-classes under this class:

Class Number Class Name Patents
549/555 Chalcogen and the hetero ring bonded directly to the same carbon (e.g., glycidyl ethers, etc.) 133
549/561 The chalcogen, x, is part of a -c(=x)x- group, wherein the x's are the same or diverse chalcogens 95

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8674124 Preparation of an active intermediate Mar. 18, 2014
8642567 Receptor modulators exhibiting neuroprotective and memory enhancing activities Feb. 4, 2014
8354147 Polymerizable liquid crystal compound, composition and polymer Jan. 15, 2013
8349891 Crystalline solids of a MetAP-2 inhibitor and methods of making and using same Jan. 8, 2013
8110614 Adamantane derivative, method for producing the same, and resin composition containing adamantane derivative Feb. 7, 2012
7994350 Process for continuously preparing N-ethyl-2-pyrrolidone (NEP) Aug. 9, 2011
7776993 Underfilling with acid-cleavable acetal and ketal epoxy oligomers Aug. 17, 2010
7770437 Thiol or disulfide molecules having poly(ethylene oxide) groups for use in a self assembled monolayer bound to a metal layer for covalently immobilizing biomolecules in a biosensor Aug. 10, 2010
7741375 Polyketal polymers, and methods of making and using same Jun. 22, 2010
7718695 Inclusion compounds of fumagillol derivative or its salt, and pharmaceutical compositions comprising the same May. 18, 2010
7714153 Curable diamantane compound May. 11, 2010
7619102 Purification of mupirocin Nov. 17, 2009
7521478 Total synthesis of myriaporones Apr. 21, 2009
7317100 Epothilone derivatives Jan. 8, 2008
7300604 Tetrahydroxybenzene tetraester derivative and polymer thereof Nov. 27, 2007
7189688 Perfuming ingredient with a floral character Mar. 13, 2007
7183028 Organophotoreceptor with novel charge transport compounds having an epoxy group Feb. 27, 2007
7141684 Diepoxide derivatives of diallyl phenolics Nov. 28, 2006
7057057 Histone deacetylase inhibitors based on alpha-ketoepoxide compounds Jun. 6, 2006
7008919 Use of thio derivatives as perfuming and flavoring ingredients Mar. 7, 2006
6919420 Acid-cleavable acetal and ketal based epoxy oligomers Jul. 19, 2005
6743935 Process for the preparation of ruthenium compounds Jun. 1, 2004
6703415 Inhibitors of matrix metallaproteinases Mar. 9, 2004
6670474 Epoxide derivatives of allylarylphenols Dec. 30, 2003
6572980 Reworkable thermosetting resin compositions Jun. 3, 2003
6566541 Type 2 methionine aminopeptidase (MetAP2) inhibitors and uses thereof May. 20, 2003
6559100 2-benzoyl-cyclohexane-1,3-diones May. 6, 2003
6559268 Perfluoro group-containing compounds and hardened polymer of the same May. 6, 2003
6407268 Substituted 4-benzoylpyrazoles Jun. 18, 2002
6379590 Method for making unsymmetrically substituted fluorenyl compounds for nonlinear optical applications Apr. 30, 2002
6160077 Halogen-free epoxy resin Dec. 12, 2000
6156913 Method of producing vitamin E Dec. 5, 2000
6147224 2,4-pentadienoic acid derivatives having selective activity for retinoid X (RXR) receptors Nov. 14, 2000
6133457 Process for preparing pharmaceutical compounds Oct. 17, 2000
6129941 1-methoxy-3-hexanethiol and its S-acetyl derivative as perfuming and flavoring ingredients Oct. 10, 2000
6063945 Triazole derivative or salt thereof May. 16, 2000
6063812 Fumagillol derivatives and processes for preparing the same May. 16, 2000
6022888 Iridoid derivatives and neovascularization inhibitors containing the same as active ingredient Feb. 8, 2000
6020508 Radiation- or thermally-initiated cationically-curable epoxide compounds and compositions made from those compounds Feb. 1, 2000
5965753 Process for preparation of glycidyl sulfonate derivative Oct. 12, 1999
5864050 Curable resin compound, method for producing the same, and cured-resin material Jan. 26, 1999
5814612 Retinol derivatives and uses thereof Sep. 29, 1998
5801193 Compositions and methods for immunosuppressing Sep. 1, 1998
5783712 Vinyl ether compounds having additional functional groups other than vinyl ether groups and the use thereof in the formulation of curable compositions Jul. 21, 1998
5783713 Polyglycidylphenyl ethers of alkylene or alkyleneoxy chains for use in microelectronics adhesives Jul. 21, 1998
5746933 Lubricating oil and composition for refrigerating machine, and refrigerating machine May. 5, 1998
5723562 Process for polymerization reactions with functionalized peroxides Mar. 3, 1998
5703195 Polyglycidylphenyl ethers of alkylene or alkyleneoxy chains for use in microelectronics adhesives Dec. 30, 1997
5698714 Process for the preparation of 9, 10-secocholesta-5,7,10 (19)-trienes Dec. 16, 1997
5646315 Polyglydicylphenyl ethers of alkyloxy chains for use in microelectronics adhesives Jul. 8, 1997

1 2 3 4

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