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Class 204/157.96 - Carbocyclic ring containing


Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Subject matter wherein the carbon and halogen product contains
No. of patents: 12
Last issue date: 10/07/1997


NumberTitleIssue Date
5674949Liquid-phase fluorination
This invention pertains to a method for liquid-phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds....
10/07/1997
5571870Liquid phase fluorination
This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds....
11/05/1996
5539059Perfluorinated polyethers
This invention pertains to perfluoropolyethers and perhalogenated chlorofluoropolyethers that can be prepared by fluorinating addition polymers made by polymerizing epoxides....
07/23/1996
5461117Liquid phase fluorination
This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds....
10/24/1995
5332790Liquid-phase fluorination
This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds....
07/26/1994
5322904Liquid-phase fluorination
This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds....
06/21/1994
5093432Liquid phase fluorination
This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds....
03/03/1992
4978435Free chlorine removal process
Free chlorine values are removed by radical chlorination from uncombined admixtures thereof, notably admixtures of free chlorine and at least one halogenated organic compound that is not completely chloro-substituted....
12/18/1990
4686024Novel perfluoro chemicals and polyfluorinated compounds and process for production of the same
The present invention relates to novel perfluoro chemicals (PFC), particularly perfluorocyclic ethers and polyfluorinated compounds containing a few chlorine atoms and to a method for the preparation thereof....
08/11/1987
4684452Process for the fluorination in liquid phase of unsaturated compounds
Process for the fluorination with elemental fluorine of fluorinated olefins, carried out in liquid phase using a perfluoropolyether as solvent, at temperatures comprised within the range of from -25° C. to +120° C., by using gaseous fluorine diluted wit...
08/04/1987
4174447Process for dimerization, arylation and trifluoromethylation of aromatic and heterocyclic compounds
A decarboxylation process for coupling aromatic compounds wherein cyclic hydrocarbons and heterocyclic compounds having at least one labile ring hydrogen are reacted with the mono silver salts of aromatic carboxylic acids, or mono silver salts of unsatura...
11/13/1979
4029560Process for producing ଱,଱,଱,଱',଱',଱'-hexachloroxylene
This invention concerns to a process for ଱,଱,଱,଱',଱',଱'-hexachloroxylene by reacting m-xylene or p-xylene or a partially chlorinated product thereof with chlorine under the irradiation of ultraviolet rays, the process ...
06/14/1977
 
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