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Class 204/157.86 - Halogen containing


Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Subject matter wherein the nitrogen product produced contains
No. of patents: 9
Last issue date: 12/11/2001


NumberTitleIssue Date
6328855Method for producing (+)-exo-6-phenyl-3-azabicyclo-[3.2.0]heptanes
A process for preparing (+)-exo-6-phenyl-3-azabicyclo[3.2.0]heptanes of the formula I ##STR1## where R is hydrogen, chlorine, bromine, fluorine or methoxy, which comprises photocyclizing a bisallylammonium salt of the formula II ##STR2## where R has ...
12/11/2001
5235119Nitrocubanes
An efficient direct functionalization of nitrocubanes has been achieved by irradiation of a solution in an oxalyl halide to yield halogenated and halocarbonylated derivatives of nitrocubanes....
08/10/1993
5214222Nitrocubanes
An efficient direct functionalization of nitrocubanes has been achieved by rradiation of a solution in an oxalyl halide to yield halogenated and halocarbonylated derivatives of nitrocubanes....
05/25/1993
4997988Oxa-organic sulfur compounds, their preparation and use
Oxa-organic sulfur compounds, methods of preparing such compounds and methods of using the compounds as polymer chain length terminating agents are provided. The compounds are prepared by reacting allyl alcohol in the presence of a basic catalyst with a c...
03/05/1991
4855025Polyfluoro compounds and method for preparing them
This invention relates to compounds which simultaneously contain a perfluorinated chain and a hydrogenated chain and which correspond to the general formula: ##STR1## in which RF is a perfluoroalkyl radical, m an integer from 0 to 2, ...
08/08/1989
4046656Photochlorination process for methyl aromatic compounds
The rate of photochlorination of methyl aromatic compounds, such as toluene, cresol, xylene, toluenesulfonyl chloride, methylnaphthalene, diphenylmethane, etc., is increased when carried out in the presence of bromine....
09/06/1977
4030994Substitutive fluorination of organic compounds
Organic compounds having at least one replaceable hydrogen atom are fluorinated in the liquid or solid state by treatment with fluoroxyperfluoroalkanes or fluoroxypentafluorosulfur under the influence of a free radical initiator....
06/21/1977
4004996Fluorination of organic compounds
Organic amines, amino acids, polyamides and vinylpolymers are fluorinated by the action of fluorine in liquid hydrogen fluoride optionally containing boron trifluoride or antimony pentafluoride at about -80° to 15° C. and optionally under irradiation wi...
01/25/1977
4004572Solar energy collection and retrieval employing reversible photochemical isomerization
A process for photochemical collection, storage, and retrieval of solar energy, including solar energy in the visible and near-infrared light spectrum, comprising: exposing to solar radiation of a trans-isomer of particular geometrically isomerizable comp...
01/25/1977
 
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