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Class 204/912 - Oxygen treating agent


Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Subject matter wherein the designated nonreactant chemical
No. of patents: 15
Last issue date: 05/17/1983


NumberTitleIssue Date
4383904Photochemical epoxidation
This invention provides a process for photochemical epoxidation of olefins with molecular oxygen in a liquid phase with irradiation in the presence of a combination of 1,2-diketone photosensitizers. Propylene can be converted to propylene oxide by reaction wit...
05/17/1983
4374715Method for the preparation of poly (carbonoyl fluoride) oligomers
An improved method for synthesizing poly (carbonyl fluoride) oligomers by using bis(trifluoromethyl)trioxide as a reaction initiator in the photo-oxidation of F-3 methylbutene-1....
02/22/1983
4334969Photochemical process for the synthesis of strobilurin
Process for stereoselective synthesis of strobilurin in the (E) configuration, starting from cinnamaldehyde and 2-oxobutyric acid....
06/15/1982
4233128Photosynthesis of mercaptans
Synthesis of mercaptans by the photochemical reaction of an olefin with hydrogen sulphide in the presence of an initiator constituted by benzophenone, thiobenzophenone or a mixture of the two, preferably accompanied by an organic compound of an element of...
11/11/1980
4201639Processes for preparing cyclohexadiene derivatives
Described is a process for preparing cyclohexadiene derivatives having the generic formula: ##STR1## wherein R is one of C1 -C5 alkyl, R1 is methyl when R2 is hydrogen comprising the step of reacting a ...
05/06/1980
4188275Process for preparing beta-phosphosulfoxy alcohols
Beta-phosphosulfoxy alcohols and preparation thereof by reacting an olefinically unsaturated compound and a poly-thiophosphoric acid with oxygen using actinic radiation as an energy source at a temperature of from -10° to 70° C., preferably in the prese...
02/12/1980
4144152Dehalogenation of halogenated compounds
Process for degrading halogenated organic compound having C-halogen groups to remove halogen atoms from said compound by treating it with ultraviolet (UV) radiation and hydrogen. Process for degrading such compound by treating it in aqueous alkaline solut...
03/13/1979
4140604Process for preparing mercaptans
An improvement in the process for preparing mercaptans wherein an ethylenically unsaturated organic compound is reacted with hydrogen sulfide that is present in molar excess, catalyzed by UV light, with recovery of the desired mercaptan from the reaction ...
02/20/1979
4130557Method for the hydrolysis of azetidinothiazoline compounds
A process for preparing compounds having the formula: ##STR1## WHEREIN R is phenoxymethyl or benzyl; R2 is 1-methoxyethylidene, 1-hydroxyethylidene, or 1,1-dimethoxyethylidene; and R3 is trichloroethyl, diphenylmethyl, p-nitrobenzyl,...
12/19/1978
4089764Process for preparation of ଲ-bourbonene
A process for preparing ଲ-bourbonene which comprises irradiating internally or externally an essential oil containing germacrene D, such as ylang-ylang oil, cananga oil, the essential oil of Solidago altissima L., the essential oil of Solidago gigan...
05/16/1978
4075074Method for preparing benzo[C]cinnoline and its derivatives
Benzo[C]cinnoline or its derivative is prepared by irradiating 2,2'-diazidobiphenyl or its derivative with light in a low-temperature rigid solvent....
02/21/1978
4040921Process for beta-hydroxyalkylsulfoxides
Beta-hydroxyalkylsulfoxides are prepared by reacting an olefin and a thiol with oxygen in the presence of a dye sensitizer using visible light as an energy source at a temperature from -10° to 70° C....
08/09/1977
4012305Production of 1-methyl-3-phenylindans
A process for the production of 1-methyl-3-phenylindans by dimerization of styrenes in the presence of catalysts and of organic compounds which absorb light of from 2000 to 8000 A and which are irradiated with such light. The compounds which can be prepar...
03/15/1977
4000050Photochemical preparation of polycycloalkyl oxyalkanes and oxyalkenes
Processes and compositions are described for altering the aroma of consumable products including perfumes, perfume compositions and perfumed articles utilizing as the essential ingredient one or more of the polycycloalkyl oxyalkanes and/or oxyalkenes (bro...
12/28/1976
3948741Liquid phase chlorination of normal paraffins
Selective chemical processing of normal paraffin hydrocarbons may be carried out with increased selectivity by reacting a normal paraffin hydrocarbon reactant, in the presence of inert solvents, in a free radical (e.g., photochemically) initiated reaction...
04/06/1976
 
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