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Class 204/903 - Inorganic chemical treating agent


Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Subject matter wherein the designated nonreactant chemical
No. of patents: 17
Last issue date: 04/29/2003


NumberTitleIssue Date
6555053Method for supplying sterilization/deodorization gas and apparatus therefor
According to the present invention, provided are a method whereby a sterilization/deodorization gas is supplied by irradiating a stabilized chlorine dioxide gel or liquid with ultraviolet radiation, and a sterilization/deodorization gas supply apparatus w...
04/29/2003
4892712Fluid purification
A purifier for water or air removes, reduces or detoxifies organic pollutants therefrom by causing the fluid to contact a matrix having surfaces with which a fixed anatase (TiO2) or other photoreactive metal semiconductor material is bonded, in...
01/09/1990
4874489Process for the production of chlorine dioxide
Chlorine dioxide is produced by subjecting a chlorite to ultraviolet radiation. The source for chlorite may be an aqueous solution of an alkali metal or alkaline earth metal chlorite. Chloride ions and/or hydrogen ions may be added to the solution....
10/17/1989
4655891Process for the photochemical dehydrogenation of alcohols with semiconductor powder suspensions
A process for the photochemical dehydrogenation of alcohols comprises the steps of forming a suspension of semiconductor powder in the alcohol and photochemically activating the suspension in the presence of an oxidant with illumination having an energy a...
04/07/1987
4623437Catalysts for photo-assisted oxidation-reduction reactions
New catalysts for photo-assisted (i.e. promoted by light) oxidation-reduction (redox) reactions are disclosed. These catalysts consist of colloidal particles of a semiconductor, containing on their surface a reduction catalyst and an oxidation catalyst. I...
11/18/1986
4602988Photochemical production of hydrogen from hydrogen sulfide
H2 is produced from H2 S dissolved in an alkaline aqueous medium by irradiating the alkaline aqueous solution of H2 S using light in the visible range in the presence of a catalytic amount of a compound chosen from the gro...
07/29/1986
4304649Solubilization of lignocellulosic materials
The solubilization of lignocellulosic fibrous material is accomplished by impregnating the selected lignocellulosic material with one of a group of certain swelling agents, allowing a sufficient amount of time until the desired degree of swelling is achie...
12/08/1981
4242187Preparation of alkanes substituted by chlorine atoms and/or sulfochloride groups
Alkanes substituted by chlorine atoms and/or sulfochloride groups are prepared by reacting alkanes with chlorine, with or without sulfur dioxide, in a particular throughput ratio, in a reaction chamber inclined to the horizontal, the starting materials be...
12/30/1980
4233129Process of preparation of alkyl esters of dl cis chrysanthemic acid
A process for the production of an alkyl ester of dl cis chrysanthemic acid having the formula ##STR1## wherein R is an alkyl having from 1 to 6 carbon atoms, involving preparing a lithiated derivative of 2-methyl-pent-2-en-4-yne, reacting the same w...
11/11/1980
4165269Method of making halogenated acetylenes
Halogenated acetylenic compounds are prepared by irradiating a mixture of a reactant and a sensitizer with coherent light. The reactant has the general formula R--C2 HX4, R--C2 H2 X3, or R--C2
08/21/1979
4108746Method of oxidative degradation of phosphorous esters
A method for oxidatively degrading organophosphorous esters to phosphoric id, carbon dioxide and water through the use of a source of free hydroxy radicals, saturation of the resulting solution with oxygen and subsequent irradiation with UV radiation betw...
08/22/1978
4105520Method for producing adipic acid and precursors thereof
A method for producing adipic acid and precursor thereof which comprises oxidizing cyclohexane with nitrogen dioxide under irradiation of visible ray or ultraviolet ray in the presence of oxygen is incorporated with a method for producing adipic acid whic...
08/08/1978
4104145Method for producing nitrobenzene
A method for the nitration of benzene by the use of nitrogen dioxide under irradiation of visible ray or ultraviolet ray in the presence of oxygen....
08/01/1978
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
4000049Method and device for preparing sulphonic acids derived from paraffinic hydrocarbons
The instant invention relates to a method for preparing paraffin-sulphonic acids by photochemical sulphoxidation of paraffinic hydrocarbons. The invention also relates to a device for carrying out this method. The invention relates more particlarly to a method...
12/28/1976
3993554Method of producing n-paraffin oximes
A process for converting mixtures of C6 to C30 n-paraffin and n-paraffin by-products to substantially pure n-paraffin which comprises catalytically hydrogenating the mixture at a temperature of from about 600° to 750° F. in the pre...
11/23/1976
3956090Hydrocarbon upgrading process in paraffin oxime production
A process for converting mixtures of C6 to C30 n-paraffin and n-paraffin by-products to substantially pure n-paraffin which comprises catalytically hydrogenating the mixture at a temperature of from about 600° to 750°F. in the pres...
05/11/1976
 
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