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Class Information
Number: 548/142
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) > Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazoles, etc.) > The five-membered hetero ring consists of chalcogen, plural nitrogens, and carbon > 1,3,4-thiadiazoles (including hydrogenated) > Chalcogen bonded directly to the 2- and 5- positions of the thiadiazole ring
Description: Compounds wherein chalcogen (i.e., oxygen, sulfur selenium, or tellurium) is bonded directly to each of the ring carbons of the thiadiazole ring, i.e., the 2- and 5-positions.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8480926 Liquid-crystalline compound and organic semiconductor device containing the compound Jul. 9, 2013
7750088 Cure system for chlorinated elastomer compositions and a method of curing chlorinated elastomer compositions Jul. 6, 2010
7612149 Vulcanizable chlorinated elastomer compositions with improved processing safety and cure rate Nov. 3, 2009
7511149 Process for the oxidation of certain substituted sulfilimines to insecticidal sulfoximines Mar. 31, 2009
7261988 Azine-based charge transport materials Aug. 28, 2007
7232929 Amide derivatives of 2,2,3,3-tetramethylcyclopropane carboxylic acid Jun. 19, 2007
7208509 Non-nucleoside reverse transcriptase inhibitors Apr. 24, 2007
7189482 Organophotoreceptor with charge transport compound with an azine group Mar. 13, 2007
6908937 Heterocyclic fluoroalkenyl thioethers (II) Jun. 21, 2005
6852716 Substituted-aryl compounds for treatment of disease Feb. 8, 2005
6620771 Thiadiazole dimer additives and lubricating compositions containing the same Sep. 16, 2003
6569876 Method and structure for inhibiting activity of serine elastases May. 27, 2003
6562816 Substituted-heteroaryl-7-aza[2.2.1]bicycloheptanes for the treatment of disease May. 13, 2003
6489484 Thiadiazole additives and lubricating compositions containing the same Dec. 3, 2002
6437169 1-naphthol compound and method for preparing compound having acidic proton using the same Aug. 20, 2002
6365557 Thiadiazole additives and lubricating compositions containing the same Apr. 2, 2002
6362138 Heterocyclic thioethers as additives for lubricants Mar. 26, 2002
6362137 Process for preparing a corrosion inhibitor/metal passivator additive for lubricant, grease and fuel applications from waste refinery streams Mar. 26, 2002
6340539 2,5-Dimercapto-1,3,4-thiadiazole dilithium salt and its dihydrate and their manufacture, and a secondary lithium battery and positive electrode-active material comprising the same Jan. 22, 2002
6265351 Phenylpyrazoles with a herbicidal activity Jul. 24, 2001
6255259 Phosphorus-free multifunctional additives for lubricants Jul. 3, 2001
6184383 Method of producing acetals Feb. 6, 2001
6150307 Heterocyclic thioethers as additives for lubricants Nov. 21, 2000
6031108 Process for the preparation of 2-(methylsulfonyl)-5-(trifluoromethyl)-1,3,4-thiadiazole (TDA sulfone) Feb. 29, 2000
5889025 Antidiabetic compounds having hypolipidaemic, antihypertensive properties, process for their preparation and pharmaceutical compositions containing them Mar. 30, 1999
5849925 Bis-1,3,4-thiadiazole compounds and lubricating compositions containing same Dec. 15, 1998
5783704 Pyridine derivatives as pesticides Jul. 21, 1998
5686397 Dithiocarbamate derivatives and lubricants containing same Nov. 11, 1997
5622922 Method of solubilizing a benzotriazole with a thiadiazole Apr. 22, 1997
5602181 Naphthyl ethers, their preparation, compositions containing them and their use Feb. 11, 1997
5597785 Succinimide derivatives of 2,5-dimercapto-1,3,4-thiadiazole Jan. 28, 1997
5576443 Thioheterocyclic near-infrared absorbing dyes Nov. 19, 1996
5573999 .beta.-substituted cinnamic acid derivative Nov. 12, 1996
5538652 Dimercaptothiadiazole-mercaptan coupled compounds as multifunctional additives for lubricants and fuels Jul. 23, 1996
5538652 Dimercaptothiadiazole-mercaptan coupled compounds as multifunctional additives for lubricants and fuels Jul. 23, 1996
5538520 Additives for fuels and lubricants Jul. 23, 1996
5538520 Additives for fuels and lubricants Jul. 23, 1996
5512190 Lubricating oil composition providing anti-wear protection Apr. 30, 1996
5482966 Oxime derivatives Jan. 9, 1996
5453433 Thiadiazoles and antipicornaviral compositions Sep. 26, 1995
5440042 Thioheterocyclic near-infrared dyes Aug. 8, 1995
5414090 Lubricant ashless antiwear-antioxidant additive May. 9, 1995
5409944 Alkanesulfonamido-1-indanone derivatives as inhibitors of cyclooxygenase Apr. 25, 1995
5391756 Aromatic amine derivatives of 2,5-dimercapto-1,3,4,-thiadiazoles Feb. 21, 1995
5391761 Preparation of novel amido-alcohol derivatives and their therapeutic uses Feb. 21, 1995
5362880 Method of preparing a magenta development inhibitor releasing coupler Nov. 8, 1994
5334603 Composition and use of 3-phenyl-5-thiocyano-methylthio-1,3,4-thiadiazole-2(3h)thione Aug. 2, 1994
5332757 Oxime derivatives Jul. 26, 1994
5326776 Angiotensin II receptor antagonists Jul. 5, 1994
5294709 Methine compounds and methine dyes Mar. 15, 1994

1 2 3 4










 
 
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