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Class Information
Number: 549/356
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 six-membered
Description: Compounds in which the oxygen containing hetero ring has six ring members.


Sub-classes under this class:

Class Number Class Name Patents
549/427 Chalcogen attached indirectly to the hetero ring by nonionic bonding 159
549/416 Chalcogen bonded directly to the hetero ring 258
549/428 Halogen attached directly or indirectly to the hetero ring by nonionic bonding 53
549/425 Having -c(=x)-, wherein x is chalcogen, bonded directly to the hetero ring 100
549/426 Nitrogen attached indirectly to the hetero ring by nonionic bonding 202
549/424 Nitrogen bonded directly to the hetero ring 100
549/414 Plural hetero rings 281
549/357 Plural ring oxygens in the hetero ring (e.g., 1,2-dioxin, etc.) 60
549/381 Polycyclo ring system having the hetero ring as one of the cyclos 71


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7611696 Sunscreen compositions as well as dihydropyridines and dihydropyranes Nov. 3, 2009
7598248 Certain 1H-imidazo[4,5-b]pyrazin-2(3H)-ones and 1H-imidazo[4,5-b]pyrazin-2-ols, compositions thereof, and methods for their use Oct. 6, 2009
7598386 Sulphones which modulate the action of gamma-secretase Oct. 6, 2009
7595327 Beta-sulfonamide hydroxamic acid inhibitors of tace/matrix metalloproteinase Sep. 29, 2009
7582675 Flavonoid compound and process for producing the same Sep. 1, 2009
7566787 Small molecule cyclin D1 ablative agents Jul. 28, 2009
7550474 Substituted phenyl acetamides and their use as protease inhibitors Jun. 23, 2009
7527754 Photochromic indeno-fused naphthopyrans May. 5, 2009
7518003 Production process of tetrahydropyran compound and tetrahydropyran compound produced by the production process Apr. 14, 2009
7495111 Compounds useful as serotonin inhibitors and 5-HT.sub.1A agonists and antagonists Feb. 24, 2009
7482044 Liquid crystalline medium and liquid crystal display Jan. 27, 2009
7481955 Photochromic materials comprising metallocenyl groups Jan. 27, 2009
7417059 Substituted aromatic-ring compounds, process for producing the same and use Aug. 26, 2008
7351730 Substituted naphthyl indole derivatives as inhibitors of plasminogen activator inhibitor type-1 (PAI-1) Apr. 1, 2008
7326797 Manufacture of isoflavones Feb. 5, 2008
7291367 Liquid-crystalline compounds Nov. 6, 2007
7265230 Herbicides Sep. 4, 2007
7244853 Dioxanes and uses thereof Jul. 17, 2007
7166728 Process for preparation of nerol oxide Jan. 23, 2007
7160852 Polyalklbicylic derivatives Jan. 9, 2007
7144918 Biologically active macrolides, compositions, and uses thereof Dec. 5, 2006
7138429 Flavonoid compound and process for producing the same Nov. 21, 2006
7122535 Derivatives of 2-(iminomethyl)amino-phenyl, their preparation, their use as medicaments and the pharmaceutical compositions containing them Oct. 17, 2006
7105685 Cannabinol derivatives Sep. 12, 2006
7081279 Alkenyl compound having a negative .DELTA..epsilon. value, liquid crystal composition, and liquid crystal display device Jul. 25, 2006
7064221 Process for producing pyran Jun. 20, 2006
7053209 High viscosity liquid controlled delivery system and medical or surgical device May. 30, 2006
6974607 Pyrans as liquid crystals Dec. 13, 2005
6939886 Substituted naphthyl indole derivatives as inhibitors of plasminogen activator inhibitor Type-1 (PAI-1) Sep. 6, 2005
6936726 Flavanol and cysteamine conjugates Aug. 30, 2005
6933385 Protected 3,5-dihydroxy-2,2-dimethyl-valeroamides for the synthesis of epothilones and derivatives and process for the production and the use Aug. 23, 2005
6930200 Multicomponent synthesis of amino acids and derivatives thereof Aug. 16, 2005
6902777 Liquid-crystalline medium Jun. 7, 2005
6900160 Triazolo-epothilones May. 31, 2005
6887737 Epoxidized acetals and thioacetals, episulfidized acetals and thioacetals, and reworkable thermosetting resin compositions formulated therefrom May. 3, 2005
RE38723 Haloalkyl derivatives of reporter molecules used to analyze metabolic activity in cells Apr. 12, 2005
6867309 Red-emitting organic electroluminescent compound Mar. 15, 2005
6864225 Cyclic ketals, fragrance compositions containing the same and methods of using the same Mar. 8, 2005
6818638 Melvinolin derivatives Nov. 16, 2004
6809088 Derivatives of 2-(iminomethyl)amino-phenyl, their preparation, their use as medicaments and the pharmaceutical compositions containing them Oct. 26, 2004
6808762 Oxabicyclooctanes Oct. 26, 2004
6800654 Substituted naphthyl indole derivatives as inhibitors of plasminogen activator inhibitor type-1 (PAI-1) Oct. 5, 2004
6784228 Epoxy resin composition, cured article thereof, novel epoxy resin, novel phenol compound, and process for preparing the same Aug. 31, 2004
6762198 Dihetero-substituted metalloprotease inhibitors Jul. 13, 2004
6713622 4,7-dichlororhodamine dye labeled polynucleotides Mar. 30, 2004
6692944 Chemo-enzymatic synthesis of optically enriched rose-oxides Feb. 17, 2004
6693178 Protecting groups useful in the synthesis of polysaccharides, natural products, and combinatorial libraries Feb. 17, 2004
6686348 Metalloprotease inhibitors Feb. 3, 2004
6683215 N-(4-carbamimidoyl-phenyl)-glycine derivatives Jan. 27, 2004
6664259 Il-8 receptor antagonists Dec. 16, 2003

1 2 3 4


 
 
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