| Patents for C07B 39 - Halogenation (1,839) |
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| 02/23/1999 | US5874656 Heating ester of chloroformic acid in the liquid phase in the presence of a polychlorinated benzene and hydrogen fluoride |
| 02/11/1999 | WO1999006373A1 Method for producing 2-(3-pyrazolyl-oxymethylene) nitrobenzenes |
| 02/11/1999 | WO1999006339A1 Method for preparing substituted benzyl bromides |
| 02/10/1999 | EP0895991A2 Halogenating agent |
| 02/04/1999 | DE19732692A1 Verfahren zur Herstellung von 2-(Pyrazolyl-3'-oxymethylen)nitrobenzolen Nitrobenzenes process for the preparation of 2- (pyrazolyl-3'-oxymethylene) |
| 02/02/1999 | US5866731 Process for producing halogenated organic compound |
| 01/28/1999 | WO1999003802A1 Catalysed fluorination of carbonyl compounds |
| 01/20/1999 | EP0891962A1 Process for the preparation of fluorinated dicarbonyl compounds |
| 01/20/1999 | EP0891959A1 Process for the preparation of aliphatic or cycloaliphatic chlorides |
| 01/12/1999 | CA2083575C Liquid phase fluorination process and fluorinated organic products resulting therefrom |
| 12/30/1998 | WO1998058893A1 Method for chlorinating halogenated phenols |
| 12/30/1998 | CN1041407C Catalyst fluorating method |
| 12/23/1998 | EP0885179A1 Process for producing fluorinated aromatics and fluorinated nitrogen-containing hetero-aromatics |
| 12/17/1998 | WO1998056737A1 Bromination process |
| 12/17/1998 | WO1998056506A1 Systems and methods for parallel synthesis of compounds |
| 12/17/1998 | CA2289020A1 Bromination process |
| 12/10/1998 | WO1998055429A1 Solvents for use in fluorination reactions |
| 12/10/1998 | CA2262532A1 Solvents for use in fluorination reactions |
| 12/08/1998 | US5847198 Process for the preparation of esters |
| 11/11/1998 | CN1198433A Process to chloroketoamines using carbamates |
| 10/28/1998 | EP0873788A2 An azo compound as a catalyst for formation of a carbon-carbon bond and a method for the formation of such a bond |
| 10/28/1998 | CN1197056A Chlorination of substituted alkenes using trichloroisocyanuric acid |
| 10/24/1998 | CA2235524A1 A catalyst for formation of a carbon-carbon bond and a method for formation of a carbon-carbon bond |
| 10/21/1998 | EP0872473A2 Process for the preparation of chloroketoamines using carbamates |
| 10/21/1998 | EP0872463A1 Chlorination of substituted alkenes using trichloroisocyanuric acid |
| 10/20/1998 | US5824827 Halogen exchange reactions |
| 10/15/1998 | CA2234132A1 Process to chloroketoamines using carbamates |
| 10/08/1998 | WO1998043958A1 Method for the production of 2,6-dichloro-5-fluoronicotinonitrile and the chemical compound 3-cyano-2-hydroxy-5-fluoropyride-6-one-monosodium salt and its tautomers |
| 10/08/1998 | DE19713506A1 Verfahren zur Herstellung von 2,6-Dichlor-5-fluornicotinonitril und die chemische Verbindung 3-Cyano-2-hydroxy-5-fluorpyrid-6-on-mononatriumsalz sowie dessen Tautomere Process for the preparation of 2,6-dichloro-5-fluornicotinonitril and the chemical compound 3-cyano-2-hydroxy-5-fluoropyrid-6-on-monosodium salt, as well as its tautomers |
| 10/08/1998 | CA2285365A1 Method for the production of 2,6-dichloro-5-fluoronicotinonitrile and the chemical compound 3-cyano-2-hydroxy-5-fluoropyride-6-one-monosodium salt and its tautomers |
| 10/06/1998 | US5817888 Bromination process |
| 09/30/1998 | EP0867433A1 Process for producing 4-bromomethyl-biphenyl compounds |
| 09/30/1998 | EP0772575B1 Preparation of halogenated compounds |
| 09/25/1998 | CA2233055A1 Process for the preparation of 4-bromomethylbiphenyl compounds |
| 09/23/1998 | EP0866046A1 Catalytic process for selective aromatic bromination |
| 09/23/1998 | EP0667332B1 Process for producing fluorinated dicarbonyl compound |
| 09/11/1998 | WO1998039099A1 Apparatus and methods for the preparation of chemical compounds |
| 08/25/1998 | CA2096928C Process for selectively ortho-fluorinating substituted aromatic compounds |
| 08/11/1998 | US5792892 Bromination in the presence of aluminum chloride and bromine and chlorine |
| 08/11/1998 | CA2055281C Process for the preparation of tetrafluoro-1,1,1,2-ethane |
| 08/04/1998 | US5789618 Synthetic method for a halogen-containing condensation product |
| 08/04/1998 | US5789580 Selectively fluorinated organic compounds |
| 07/30/1998 | WO1998032532A1 Amidophosphonium-salt-containing catalyst for halogen-fluorine exchange reactions |
| 07/30/1998 | DE19702282A1 Katalysator für Halex-Reaktionen Catalyst for Halex reactions |
| 07/30/1998 | CA2278533A1 Catalyst comprising and amidophosphonium salt for halex reactions |
| 07/28/1998 | US5786474 N-fluorosulfonimides, process for their production, as well as their use as fluorinating agents |
| 07/14/1998 | US5780672 Process for the selective preparation of monofluoro derivatives |
| 06/30/1998 | US5773651 Process for the preparation of fluorine-containing chemical compounds |
| 06/11/1998 | WO1998024740A1 Fluorination of carbonyl-substituted aromatic compounds |
| 06/02/1998 | US5760255 Reacting with perfluoroalkylsulfonyl fluoride in presence of strong organic base in inert organic solvent |
| 05/28/1998 | WO1998022435A1 Compounds useful for perhalogenoalkylation, reagent for implementing these compounds and synthesis method for obtaining these compounds |
| 05/28/1998 | WO1998022413A1 Halogen exchange reactions and uses thereof |
| 05/28/1998 | CA2271379A1 Halogen exchange reactions and uses thereof |
| 05/26/1998 | US5756849 Reducing concentration needed |
| 05/26/1998 | US5756834 Process for preparing fluorinated aromatics |
| 05/19/1998 | US5753776 Liquid-phase fluorination |
| 05/12/1998 | US5750728 Process for the preparation of aromatic bromomethyl compounds |
| 04/22/1998 | EP0837046A1 Process for preparing o-alkyl-fluoro-benzenes |
| 04/21/1998 | US5741949 Continuously feeding excess liquid bromine and non-fused aromatic compound to reaction zone to form mixture, continuously withdrawing after established residence time |
| 04/09/1998 | DE19712339C1 Preparation of 2'-substituted 4-bromo-methyl-bi:phenyl compounds |
| 04/08/1998 | EP0833811A1 A process for the preparation of esters |
| 04/07/1998 | US5736274 Anode active material and solid electrolyte for batteries; high electromotive force; high energy density; pollution control; fluorinating agents; low internal resistance in charging and discharging |
| 03/31/1998 | US5734073 Halogenation reactions |
| 03/24/1998 | US5731481 Fluorination catalyst selectivity |
| 03/24/1998 | US5731477 Without using chlorofluorocarbon gases |
| 03/17/1998 | US5728884 Reacting with halogenated alkene under conditions such that hydrogen fluoride in the complex is consumed by addition to the halogenated alkene |
| 03/05/1998 | WO1998008785A1 Bromination of aromatic compounds with ozone |
| 03/03/1998 | US5723613 Process for the free-radical chlorination or bromination of methyl aromatic compounds |
| 02/18/1998 | EP0642483B1 Chlorination and elimination process and some products thereof |
| 02/17/1998 | US5719285 Reacting 4,6- or 2,4,6-polyhydroxypyrimidine with excess phosphorus oxychloride in presence of tertiary amine; adding specified amounts of phosphorus trichloride and chlorine, recovering product by distillation under reduced pressure |
| 02/12/1998 | WO1998005610A2 Process for preparing fluorine-containing compounds |
| 01/08/1998 | WO1998000376A1 Fluorous reaction and separation systems |
| 01/06/1998 | US5705728 Reaction of ethane with chlorine to form ethylene and vinyl chloride in the presence of steam and heat treatment |
| 12/17/1997 | EP0812308A1 Method for synthesis of aryl difluoromethyl ethers and the like |
| 12/03/1997 | CN1166819A Conversion of oxygenaed organic compounds to fluorocarbons and anhydrous hydrogen fluoride using uranium hexafluoride |
| 11/20/1997 | WO1997043231A1 Method for synthesis of hydrocarbon compounds containing fluorine on at least one alkyl chain carbon |
| 11/06/1997 | WO1997041083A1 Process for the preparation of fluoro compounds from the corresponding amines |
| 11/05/1997 | EP0695290B1 N-fluorosulphonimides, method of preparing them and their use as fluorination agents |
| 10/21/1997 | CA2137037C Fluorinated diazabicycloalkane derivatives |
| 10/08/1997 | CN1161691A Conjugated N-fluoropyridinium salt polymer and use thereof |
| 10/07/1997 | US5674949 Liquid-phase fluorination |
| 10/07/1997 | CA2060477C Fluid waste burner system |
| 10/02/1997 | WO1997035824A1 Process for the preparation of fluorinated dicarbonyl compounds |
| 09/30/1997 | US5672765 Reacting the corresponding chlorine or bromine compounds with alkali metal fluoride in presence of amide solvent |
| 09/30/1997 | CA2027522C Method for fluorode carboxylation |
| 09/24/1997 | CN1159961A Halogenation catalyst |
| 09/17/1997 | EP0795546A1 N,N-disubstituted formamides as halogenation catalysts |
| 09/17/1997 | EP0795530A1 Process for producing halogenated organic compounds |
| 09/12/1997 | WO1997032835A1 Process for producing fluorine compounds |
| 09/12/1997 | WO1997032832A1 Process for producing fluorinated aromatics and fluorinated nitrogen-containing hetero-aromatics |
| 09/12/1997 | CA2248294A1 Process for producing fluorinated aromatics and fluorinated nitrogen-containing hetero-aromatics |
| 09/11/1997 | DE19608791A1 Verfahren zur Herstellung von fluorierten Aromaten und fluorierten stickstoffhaltigen Heteroaromaten A process for the preparation of fluorinated aromatics and fluorinated nitrogen-containing heteroaromatics |
| 09/10/1997 | EP0793632A1 Conversion of oxygenated organic compounds to fluorocarbons and anhydrous hydrogen fluoride using uranium hexafluoride |
| 08/06/1997 | EP0787719A1 Conjugated n-fluoropyridinium salt polymer and use thereof |
| 07/23/1997 | EP0784648A1 Continuous bromination process and products thereof |
| 07/22/1997 | USRE35568 Method for fluorodecarboxylation |
| 07/15/1997 | US5648570 Process for preparing substituted chloroaromatics |
| 07/02/1997 | EP0781752A1 Process for preparing fluorine-containing dicarbonyl compound |
| 07/02/1997 | CN1035324C Method for producing 2,6-dichlorophenol with o-chlorophenol |
| 06/11/1997 | EP0778081A1 Process for preparing fluorine containing chemical compounds |