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 > Patents

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Class Information
Number: 540/1
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
Description: Compounds under Class 532, ... which are heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., oxygen, sulfur, selenium or tellurium) or nitrogen as the only ring hetero atoms.

Sub-classes under this class:

Class Number	Class Name	Patents
540/121	Azaporphyrins	37
540/145	Porphyrins (including hydrogenated; e.g., chlorophyll, etc.)	476
540/2	Cyclopentanohydrophenanthrene ring system containing	33
540/200	Hetero ring is four-membered containing nitrogen and having chalcogen double bonded directly to a ring carbon which is adjacent to the ring nitrogen	352
540/450	The hetero ring contains at least eight members including nitrogen and carbon	274
540/484	The hetero ring contains seven members including nitrogen and carbon	213

Patents under this class:

1 2 3

Patent Number	Title Of Patent	Date Issued
7485283	Contrast agents for myocardial perfusion imaging	Feb. 3, 2009
7465747	Fluorescent label compounds	Dec. 16, 2008
7408058	Regioisomerically pure oxochlorins and methods of synthesis	Aug. 5, 2008
7385053	Functionalized compositions for improved immobilization	Jun. 10, 2008
7345301	Mixtures of matrix materials and organic semiconductors capable of emission, use of the same and electronic components containing said mixtures	Mar. 18, 2008
7314929	Organoselenium compounds for cancer chemoprevention	Jan. 1, 2008
7241883	Functionalized compositions for improved immobilization	Jul. 10, 2007
7160732	Fluorescein-based metal sensors, and methods of making and using the same	Jan. 9, 2007
7078130	Metallic mesoporous transition metal oxide molecular sieves, room temperature activation of dinitrogen and ammonia production	Jul. 18, 2006
7033564	Lithium aluminum hydride-based selenating reagent and preparation methods using same	Apr. 25, 2006
6894063	Substituted urea neuropeptide Y Y5 Receptor antagonists	May. 17, 2005
6894039	Selenophene anti-tumor agents	May. 17, 2005
6803447	Preparation of supramolecular polymers by copolymerization of monomers containing quadruple hydrogen bonding units with regular monomers	Oct. 12, 2004
6784193	Mutilin derivatives and their use as antibacterials	Aug. 31, 2004
6689174	N-benzyl-p-phenylenediamine-derivatives containing coloring agents for keratin fibres and novel n-benzyl-p-phenylenediamine-derivatives	Feb. 10, 2004
6676925	Sigma-2 receptors as biomarkers of tumor cell proliferation	Jan. 13, 2004
6620804	Selenophene anti-tumor agents	Sep. 16, 2003
6576730	Organic initiators and their use in the polymerization of unsaturated monomers	Jun. 10, 2003
6514298	Fuel additive and fuel composition	Feb. 4, 2003
6506567	Water-soluble flourescent intercalator compound	Jan. 14, 2003
6469065	Nitrosated and nitrosylated .alpha.-adrenergic receptor antagonist, compositions and methods of use	Oct. 22, 2002
6458827	Method of locking 1.alpha.-OH of vitamin D compounds in axial orientation	Oct. 1, 2002
6455573	Glycosidase inhibitors and methods of synthesizing same	Sep. 24, 2002
6383230	Cationic monobenzenic dyes, their use for the oxidation-dyeing of keratin fibers, dye compositions and dyeing processes	May. 7, 2002
6375930	Membrane incorporation of texaphyrins	Apr. 23, 2002
6355631	Pharmaceutical compositions containing azetidine derivatives, novel azetidine derivatives and their preparation	Mar. 12, 2002
6337394	Compounds	Jan. 8, 2002
6274738	Carboxamide derivatives having aryl and thiazole rings	Aug. 14, 2001
6258775	Bi-aromatic compounds, pharmaceutical and cosmetic compositions containing same and uses	Jul. 10, 2001
6242561	Substituted polythiophenes, processes for their preparation their use	Jun. 5, 2001
6197922	Polyselenophenes, the preparation thereof and the use thereof	Mar. 6, 2001
6187928	Imidazolium cations and uses therefor	Feb. 13, 2001
6166003	Heterocyclic compounds for cancer chemoprevention	Dec. 26, 2000
6132475	Diaminobenzene derivative compounds and dye compositions containing same	Oct. 17, 2000
6121300	Reversing advanced glycosylation cross-links using heterocyclic-substituted thiazolium salts	Sep. 19, 2000
6107345	Benzocyclobutane compounds	Aug. 22, 2000
6087510	Method of use of imidazolium cations	Jul. 11, 2000
6042620	p-diaminobenzene derivative compounds and dye compositions containing same	Mar. 28, 2000
5981776	Heterocyclic biaryl compounds, pharmaceutical and cosmetic compositions containing them and uses thereof	Nov. 9, 1999
5977351	Benzpyrylium squarylium and croconylium dyes, and processes for their preparation and use	Nov. 2, 1999
5969150	Imidazolium cations and processes for their preparation	Oct. 19, 1999
5942387	Combinatorial process for preparing substituted thiophene libraries	Aug. 24, 1999
5932567	Thrombin inhibitors	Aug. 3, 1999
5882393	Dispersing agent	Mar. 16, 1999
5874587	Imidazolium cations, processes for their preparation, and uses therefor	Feb. 23, 1999
5869051	Conjugated terthiophene and furan compounds with photoenhanced biocidal properties	Feb. 9, 1999
5861138	Ligands for MRI contrast agent	Jan. 19, 1999
5847135	Inhibitors of interleukin-1.beta. converting enzyme	Dec. 8, 1998
5795981	Processes for the preparation of squarylium dyes	Aug. 18, 1998
5744607	Basic derivatives of glutamic acid and aspartic acid as gastrin or cholecystokinin antagonists	Apr. 28, 1998