Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Chemistry
Class Information
Number: 546/303
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 six-membered consisting of one nitrogen and five carbons > Chalcogen bonded directly to ring carbon of the six-membered hetero ring > Halogen attached directly or indirectly to the six-membered hetero ring by nonionic bonding
Description: Compounds in which halogen is attached directly or indirectly to the six-membered hetero ring by nonionic bonding.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
5932731 Process for preparing aromatic or heteroaromatic sulfur compound Aug. 3, 1999
5922880 Dihalopropene compounds, insecticidal/acaricidal agents containing same, and intermediates for their production Jul. 13, 1999
5919930 Process for cross-coupling aromatic boron compounds with aromatic halogen compounds or perfluoroalkylsulfonates Jul. 6, 1999
5869506 Fluoropropene compound, an insecticide containing the same and an intermediate for production thereof Feb. 9, 1999
5849920 Substituted trifluoromethylpyridines Dec. 15, 1998
5817825 Process for the preparation of 1-hydroxy-2-pyridones Oct. 6, 1998
5783522 Substituted 2-phenylpyridines Jul. 21, 1998
5726314 Pyridinium compounds Mar. 10, 1998
5723450 Substituted pyridines, their preparation, and their use as pesticides and fungicides Mar. 3, 1998
5714615 Pyridinium compounds Feb. 3, 1998
5698550 Tetralin and chroman derivatives useful in the treatment of asthma, arthritis and related diseases Dec. 16, 1997
5686460 Carbocyclic diarylmethylene derivatives, processes for their preparation and their uses in therapeutics Nov. 11, 1997
5686608 Process for cross-coupling aromatic boron compounds with aromatic halogen compounds or perfluoroalkylsulfonates Nov. 11, 1997
5650417 Substituted pyridines, their preparation, and their use as pesticides and fungicides Jul. 22, 1997
5646286 Palladium catalyzed vinylic substitution reactions with 2-substituted-pyridines Jul. 8, 1997
5629428 3-Chloropyridines, and their use in liquid-crystal mixtures May. 13, 1997
5625071 Certain 3-oxy-2-pyridyl sulfonamide intermediates Apr. 29, 1997
5599816 Quinolizinone type compounds Feb. 4, 1997
5563274 Process of preparing optically active alpha-chlorocarboxylic esters Oct. 8, 1996
5550236 Process for cross-coupling aromatic boronic acids with aromatic halogen compounds or perfluoroalkylsulfonates Aug. 27, 1996
5534634 Process for preparing trifluoroethyl sulfur compounds from thiolates and 1-chloro-2,2,2-trifluoroethane Jul. 9, 1996
5530145 Anticholesteremic compounds Jun. 25, 1996
5500429 Calcium uptake inhibitors Mar. 19, 1996
5491239 Method for halogenating an aromatic compound Feb. 13, 1996
5486615 Method of making asymmetric DE ring intermediates for the synthesis of camptothecin analogs Jan. 23, 1996
5484761 5-methoxy pyridinyloxypridazines, herbicidal compositions and use thereof Jan. 16, 1996
5445763 3-fluoropyridines, process for their preparation, and their use in liquid-crystal mixtures Aug. 29, 1995
5380862 Preparation of isomer-free 2,5-dichloro-pyridine Jan. 10, 1995
5366982 Substituted bicyclic bis-aryl compounds exhibiting selective leukotriene B.sub.4 antagonist activity, their preparation and use in pharmaceutical compositions Nov. 22, 1994
5356560 2-fluoroperfluoroalkylcyclohexene derivatives Oct. 18, 1994
5336771 Certain 3,4-dihydro-2H-pyrano[2,3-b]pyridines Aug. 9, 1994
5292886 Process for the preparation of 2-halomethyl-3,5-dimethyl-4-methoxypyridine halohydrate Mar. 8, 1994
5290478 Optically active compounds Mar. 1, 1994
5278133 Pyridone herbicides Jan. 11, 1994
5262085 Trifluoromethylene compounds Nov. 16, 1993
5246950 Thioformamide derivatives Sep. 21, 1993
5245035 Heterocyclic boron compounds as intermediates for angiotensin II antagonists Sep. 14, 1993
5238908 Herbicidal glutaramic acids and derivatives Aug. 24, 1993
5225550 Process for the preparation of substituted acyclic nucleosides, and intermediates occurring therein Jul. 6, 1993
5216169 3-hydroxypyridineazomethine dye Jun. 1, 1993
5206371 Quaternary pyridinium compounds Apr. 27, 1993
5205962 Pyridine derivatives Apr. 27, 1993
5204477 Pyridine derivatives in liquid crystalline medium useful for electrooptical display elements Apr. 20, 1993
5189045 Aminopiperidine indanyl and benzocyclobutene compounds Feb. 23, 1993
5189047 2-Oxo-1,2-(dihydropyridyl)-2H-1-benzopyrans Feb. 23, 1993
5151428 Pyridine derivatives and their compositions for the control of insect pests Sep. 29, 1992
5134066 Improved probes using nucleosides containing 3-dezauracil analogs Jul. 28, 1992
5130435 Preparation of vinyl ethers Jul. 14, 1992
5120869 Herbicidal compounds Jun. 9, 1992
5089168 Nitrogen-containing heterocycles Feb. 18, 1992

1 2 3 4 5










 
 
  Recently Added Patents
Generation, display, and manipulation of measurements in computer graphical designs
Sliding-type portable communication device
Methods and apparatus for clock signal synchronization in a configuration of series connected semiconductor devices
Cross-linkable compositions
Unsupervised document clustering using latent semantic density analysis
Pressing mold for optical lenses and method for manufacturing glass optical lenses
Socket type MEMS device with stand-off portion
  Randomly Featured Patents
Gas phase hydroformylation process
Discharge-excited laser apparatus
Image forming apparatus
Sound simulation chamber
Active brake release device attached to the exterior of a door controller
Method for setting up virtual connections in packet switching networks
Electronic smoking inhibiting device
Semiconductor wafer support apparatus and method
Information stream management push-pull based server for gathering and distributing articles and messages specified by the user
Organohydridosiloxane resins with high organic content