32706 ⎘
Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
Sub-classes:METHODS FOR DEHYDROGENATING HYDROCARBONS
#2REACTOR, METHOD FOR PRODUCING METAL NITRIDE CATALYST, AND METHOD FOR SYNTHESIZING AMMONIA
#3METHOD OF PRODUCING SUPPORTED PALLADIUM CATALYST, AND SUPPORTED PALLADIUM CATALYST
#4COPPER-LOADED TWO-DIMENSIONAL SILICON CATALYST, PREPARATION METHOD THEREOF, AND ITS APPLICATION ON SOLAR-DRIVEN CATALYTIC CONVERSION OF POLYOLEFIN PLASTICS INTO HYDROCARBONS
#5CERIUM- AND ZIRCONIUM-BASED MIXED OXIDES
#6FISCHER TROPSCH CATALYST SYSTEM
#7Method for Producing Exhaust gas Purification Catalyst and Exhaust gas Purification Catalyst
#8CATALYST COMPOSITION, ITS PREPARATION AND USE
#9SILICON NEGATIVE ELECTRODE MATERIAL, AND SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL APPARATUS COMPRISING SAME
#10CONTROLLED NANOMATERIAL MANUFACTURING
#11METHOD FOR PREPARING CATALYST FOR PRODUCING CARBON NANOTUBES
#12GAS-LIQUID-SOLID AND LIQUID-SOLID REACTOR CASCADE FOR CARRYING OUT CONTINUOUS-FLOW CHEMICAL REACTIONS UNDER HIGH PRESSURE AND/OR HIGH TEMPERATURE
#13Compositions of trofinetide
#14METHODS AND APPARATUSES FOR PRODUCING CARBON NANOTUBES, METHODS OF PRODUCING SUCH APPARATUSES, AND STRUCTURES FORMED FROM SUCH NANOTUBES
#15WATER-SPLITTING HYDROGEN PRODUCTION PHOTOCATALYST INCLUDING SPATIALLY SEPARATED COCATALYST AND METHOD FOR PRODUCING SAME
#16Honeycomb catalyst structure and SCR device
#17DEVICE AND METHOD FOR SUPPRESSING FORMATION OF HIGH-MELTING-POINT PIPE-CLOGGING SUBSTANCE
#18ELECTRICALLY HEATED EXHAUST GAS PURIFICATION CATALYST
#19NOBLE METAL NANOCLUSTER CATALYSTS FOR OXYGEN EVOLUTION REACTION AND WATER SPLITTING SYSTEM USING THE SAME
#20CATALYST FOR RESIDUE SUSPENDED BED HYDROCRACKING AND PREPARATION METHOD AND APPLICATION THEREOF
#21PHOTOCATALYTIC AIRBORNE MOLECULAR CONTAMINATION REMOVAL SYSTEM ENHANCED WITH PASSIVE ADSORPTION
#22Exhaust gas purification catalyst
#23HYDROCARBON ADSORPTION MATERIAL, EXHAUST GAS CLEANING CATALYST, AND EXHAUST GAS CLEANING SYSTEM
#24METHODS FOR DEHYDROGENATING HYDROCARBONS
#25SUPERATOMIC MATERIAL, SOL, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF
#26Supported catalyst used for synthesizing polyether amine, preparation method, and application
#27Bleach catalyst
#28INORGANIC SOLID SILICON-BASED SULFONIC ACID AND/OR PHOSPHORIC ACID CATALYST, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF
#29METHOD FOR RING HYDROGENATION OF DIALKYL TEREPHTHALATES WITH LOW BY-PRODUCT FORMATION
#30METHOD FOR PRODUCING AND DISCHARGING ULTRAPURE HYDROGEN PEROXIDE GAS INTO THE AMBIENT AIR, RELATED EQUIPMENT, SPECIAL POLYMER NANOCOMPOSITE, AND USES
#31INHIBITION-FREE LOW-TEMPERATURE ENGINE EXHAUST OXIDATION CATALYST
#32PROCESS FOR PRODUCING NANOCLUSTERS OF SILICON AND/OR GERMANIUM EXHIBITING A PERMANENT MAGNETIC AND/OR ELECTRIC DIPOLE MOMENT
#33Honeycomb structure and electrically heating support
#34PROCESSES FOR CATALYTICALLY COATING SCAFFOLDS
#35Catalyst systems and methods of synthesizing catalyst systems
#36Compositions of trofinetide
#37Catalyst device
#38Methods for fabricating carbon nanotube arrays with a high structural factor
#39Composite sintered body, honeycomb structure, electrically heated catalyst, and method of manufacturing composite sintered body
#40Process for modifying a hydroprocessing catalyst
#41CATALYST FOR A GAS SENSOR AND A CONTACT COMBUSTION TYPE GAS SENSOR HAVING THE SAME
#42Silicon-based anode material for lithium-ion battery, preparation method therefor, and battery
#43CATALYTIC METHANE DECOMPOSITION AND CATALYST REGENERATION, METHODS AND USES THEREOF
#44Hydrotreating catalyst for hydrocarbon oil, method for producing the same, and method for hydrotreating hydrocarbon oil
#45Compositions of trofinetide
#46Synthesis of trifluoroacetyl iodide (TFAI) from trifluoroacetyl chloride (TFAC) and hydrogen iodide (HI) in a liquid phase reaction
#47Method for preparing alkylalkoxysilanes
#48Methods for dehydrogenating hydrocarbons
#49Method for preparing hydrocarbylhydrocarbyloxysilanes
#50Production of 1-butene and ultra-high-molecular-weight polyethylene
#51STABLE MIXED OXIDE CATALYSTS FOR DIRECT CONVERSION OF ETHANOL TO ISOBUTENE AND PROCESS FOR MAKING
#52Preparation method for cyclohexane dimethanol having high trans content and cyclohexane dimethanol prepared thereby
#53Catalyst for preparing chloroethylene by cracking 1,2-dichloroethane and a preparation and regeneration method thereof
#54Catalyst and process for preparing dimethyl ether
#55Water purification particles, water culture apparatus, and water purification apparatus
#56CATALYST SUPPORT STRUCTURE AND METHOD FOR MANUFACTURING SAME
#57Semiconductor quantum dot and method of carrying out chemical reaction or photoluminescence reaction by using the same
#58Honeycomb structure
#59Honeycomb structure
#60BULK METALLIC CATALYSTS AND METHODS OF MAKING AND USING THE SAME
#61Method for preparing porous titania thin film by using cellulose nanocrystal
#62Two-pack type epoxy resin composition
#63Titanium oxide film and structure
#64Supported catalyst with improved flowability
#65Supported catalyst with improved flowability
#66Supported catalyst with improved flowability
#67Amorphous composite metal oxide and preparation method therefor
#68Photocatalyst laminate
#69Butadiene preparation method providing excellent catalyst reproducibility
#70Catalyst for producing gamma-valerolactone, method for preparing the same and method for manufacturing gamma-valerolactone using the same
#71CERIUM-AND ZIRCONIUM-BASED MIXED OXIDES
#72Portable water purification systems and method of assembling same
#73Method for the Fixation of Metals, Transition Metals and their Oxides on Siliceous Materials of Plant Origin and Use of these Modified Siliceous Materials as a Catalyst and a Loading Material for Pigments, Paints, Plastics, Elastomers and Sizing Materials
#74Catalyst for the polymerization of olefins
#75Catalyst for producing light aromatics with heavy aromatics, method for preparing the catalyst, and use thereof
#76Method for preparing silicon and/or germanium nanowires
#77Catalyst and method for synthesis of aromatic hydrocarbons through direct conversion of synthesis gas
#78Catalyst carrier module for large-capacity catalytic reactor
#79Silicon-titanium dioxide-polypyrrole three-dimensional bionic composite material based on hierarchical assembly and use thereof
#80Method for the selective synthesis of trialkoxysilanes
#81CATALYST HAVING A MODIFIED SILICON CARBIDE SUPPORT AND ITS USE AS A HYDROGENATION CATALYST
#82Method of obtaining liquid biohydrocarbons from oils of natural origin
#83SCR catalyst for removing nitrogen oxides and method for producing same
#84Preparation and use of copper containing hydrogenation catalyst
#85Non-noble metal-supported zirconium phosphate catalyst for generating cyclic hydrocarbon, and method for preparing cyclic hydrocarbon by using same
#86Catalyst for water splitting and method for preparing same
#87Method of producing hydrochlorofluoroolefin and method of producing 2,3,3,3-tetrafluoropropene
#88Automotive Catalysts With Palladium Supported In An Alumina-Free Layer
#89Air purifying sterilizer module with improved catalytic performance and air purifying sterilizer including the same
#90Sulfur as a selective oxidant in oxidative hydrocarbon processing over oxide/chalcogenide catalysts
#91Fluidizable alkane dehydrogenation catalyst
#92HONEYCOMB FILTER
#93Catalyst for pyrolysis of feedstock
#94Direct synthesis method of nanostructured catalyst particles on various supports and catalyst structure produced by the same
#95Method of development and use of catalyst-functionalized catalytic particles to increase the mass transfer rate of solvents used in acid gas cleanup
#96Olefin oxidation process, reaction apparatus and system
#97High-performance polyoxometalate catalyst and method of preparing the same
#98METHOD AND SYSTEM FOR PRODUCING AN OLEFIN
#99Use of catalysts, method and apparatus for selective oxidation of ammonia in a gas containing hydrogen
#100Oxygen reduction catalyst and production method therefor
#101Subnanometer to nanometer transition metal CO oxidation catalysts
#102Latent heat storage body, method for producing latent heat storage body and heat exchange material
#103Hydrocarbon synthesis methods, apparatus, and systems
#104Fluidizable catalysts for oxidative dehydrogenation of hydrocarbons
#105Egg-shell type hybrid structure of highly dispersed nanoparticle-metal oxide support, preparation method thereof, and use thereof
#106Photocatalyst complex
#107Method for surface-modifying metal silicide, and method and apparatus for preparing trichlorosilane using surface-modified metal silicide
#108Method for preparing graphene
#109Nanostructured solar selective catalytic supports
#110Household appliance having a catalytically effective surface and method for the operation thereof
#111Zoned catalyst for treating exhaust gas
#112PRE-TREATMENT METHOD OF PLATING, PLATING SYSTEM, AND RECORDING MEDIUM
#113Method for preparing refractory alloy-based polymetallic oxide catalysts for the partial oxidation of hydrocarbons into synthesis gas
#114Method of preparing epoxidation catalysts
#115Supported catalyst with improved flowability
#116Catalyst for the oxidative conversion of hydrocarbon gases to produce carbon monoxide and hydrogen
#117Method of manufacturing open-cell bodies and bodies manufactured using said method
#118Catalyst for pyrolysis of feedstock
#119Catalyst, method for producing catalyst, and method for producing hydrogen-containing gas using catalyst, and hydrogen generating device, fuel cell system, and silicon-supported CeZr-based oxide
#120Removal of bromine index-reactive compounds
#121Carbon nanotubes and production method thereof
#122Method for preparing a hydrogel comprising silico-metallic mineral particles and hydrogel
#123Mesoporous silicon synthesis and applications in Li-ion batteries and solar hydrogen fuel cells
#124Process for producing supported ruthenium on silica modified titania and process for producing chlorine
#125Transition metal catalyst composition including a transition metal compound and a method of preparing a polyolefin using the catalyst composition
#126Process for preparing ketones from epoxides
#127High surface area, electrically conductive nanocarbon-supported metal oxide
#128Catalytic process for the conversion of a synthesis gas to hydrocarbons
#129Cost-effective core-shell catalyst with high electrochemical stability
#130Hydroprocessing co-catalyst compositions and methods of introduction thereof into hydroprocessing units
#131Hydroprocessing co-catalyst compositions and methods of introduction thereof into hydroprocessing units
#132MOS2 catalyst process for the conversion of sugar alcohol to hydrocarbons
#133MoScatalyst system for the conversion of sugar alcohol to hydrocarbons
#134INCREASED LIFETIME PREREFORMER CATALYST
#135Hydrocarbon synthesis methods, apparatus, and systems
#136Method for manufacturing microparticulate anatase or rutile titanium oxide dispersion and component having photocatalytic thin film on surface
#137Implantation of Ni nano domains in refractory metal oxide support by means of sol-gel encapsulation—an effective solution to coke formation in the partial oxidation of natural gas
#138HARDENED LAYER ON A DRIVE HEAD
#139Process for the preparation of a catalyst using at least one rapid drying stage and at least one fluidised bed drying stage and use thereof for fischer-tropsch synthesis
#140Process for the preparation of a catalyst using a rapid drying stage and use thereof for Fischer-Tropsch synthesis
#141Carrier for NOx reduction catalyst
#142Method of switching magnetic flux distribution
#143Ultra high temperature shift catalyst with low methanation
#144Implantation of Ni nano domains in refractory metal oxide support by means of sol-gel encapsulation—an effective solution to coke formation in the partial oxidation of natural gas
#145Noble metal fine particle supported catalyst and method for producing the catalyst, and purifying catalyst
#146CATALYST, GAS GENERATOR, AND THRUSTER WITH IMPROVED THERMAL CAPABILITY AND CORROSION RESISTANCE
#147METHOD FOR PRODUCING PROPYLENE OXIDE
#148METHOD FOR PRODUCING PROPYLENE OXIDE
#149Urea-resistant catalytic units and methods of using the same
#150MoScatalyst for the conversion of sugar alcohol to hydrocarbons
#151MESOPOROUS OXIDE OF TITANIUM
#152Photocatalytic nanocomposite structured with boron
#153Ruthenium complex intercalated N-doped or N,S-codoped titania pillared montmorillonite and a process for the preparation thereof
#154DOPED CATALYTIC CARBONACEOUS COMPOSITE MATERIALS AND USES THEREOF
#155Method for activating catalyst for chlorine production
#156High surface area, electrically conductive nanocarbon-supported metal oxide
#157ULTRA HIGH TEMPERATURE SHIFT CATALYST WITH LOW METHANATION
#158PROCESS FOR THE PREPARATION OF A PHOTOCATALYST
#159Mesoporous amorphous oxide of titanium
#160Preparation of high activity cobalt catalysts, the catalysts and their use
#161High surface area silicon carbide-coated carbon aerogel
#162Process for the Removal of Harmful Substances from Exhaust Gases of Combustion Engines and Catalyst for Carrying Out Said Process
#163Monolith catalyst and use thereof
#164Catalyst composition preparation and use
#165Catalyst, production process therefor and use thereof
#166Supported catalyst systems and method of making biodiesel products using such catalysts
#167Process for producing 2,3,3,3-tetrafluoropropene
#168Selective catalytic hydrogenation of alkynes to corresponding alkenes
#169PREPARATION OF AZO COMPOUNDS WITH SOLID CATALYSTS
#170Sequestration of carbon dioxide using metal oxides
#171Catalyst Coated Honeycomb Substrates and Methods of Using Them
#172Process for regenerating a catalyst comprising ruthenium oxide for the oxidation of hydrogen chloride
#173Process for production of nucleus-hydrogenated aromatic vinyl/(meth)acrylate copolymers
#174Catalyst supports
#175GASOLINE ENGINE WITH AN EXHAUST SYSTEM FOR COMBUSTING PARTICULATE MATTER
#176METHOD OF GENERATING HYDROGEN AND FUEL CELL USING THE METHOD
#177Smoking article and method of manufacturing same, and method of manufacturing carbon monoxide reducing agent
#178COMPOSITE POROUS CATALYSTS
#179PD/AU shell catalyst containing HFO, processes for the preparation and use thereof
#180Direct epoxidation catalyst and process
#181Core-shell structure, process for its production, and exhaust gas purification catalyst comprising core-shell structure
#182Process for regenerating a catalyst
#183PHOTOCATALYST-COATED BODY
#184Quaternary oxides and catalysts containing quaternary oxides
#185Systems and methods for refining alkyl ester compositions
#186POROUS BODY PRECURSORS, SHAPED POROUS BODIES, PROCESSES FOR MAKING THEM, AND END-USE PRODUCTS BASED UPON THE SAME
#187Method for producing ethylene glycol from polyhydroxy compound
#188Nanocomposite support materials
#189MULTIPLE-METAL COMPLEX-CONTAINING COMPOUND AND METAL COMPLEX, AND MANUFACTURE METHODS THEREFOR, AND EXHAUST GAS PURIFICATION CATALYST MANUFACTURE METHOD USING THE SAME
#190METHOD FOR REMOVING A CATALYST INHIBITOR FROM A SUBSTRATE
#191METHOD FOR REMOVING A CATALYST INHIBITOR FROM A SUBSTRATE
#192GAS-LIQUID DISPERSION DEVICE AND METHOD FOR PRODUCING GAS-LIQUID DISPERSION
#193Urea-resistant catalytic units and methods of using the same
#194Method for preparing a carbamate, a catalyst applied in the method, a method for preparing the catalyst and use thereof
#195Apparatus for producing water having redox activity
#196HIGH SURFACE AREA, ELECTRICALLY CONDUCTIVE NANOCARBON-SUPPORTED METAL OXIDE
#197Mechanically fused materials for pollution abatement in mobile and stationary sources
#198Zirconium oxide-doped catalyst support, method for producing the same and catalyst containing a zirconium oxide-doped catalyst support
#199METHOD FOR ACTIVATING CATALYST FOR CHLORINE PRODUCTION
#200METAL-DOPED NICKEL OXIDES AS CATALYSTS FOR THE METHANATION OF CARBON MONOXIDE
#201Direct epoxidation process using improved catalyst
#202Amidine-carboxylic acid complex, briged polynuclear complex derived therefrom, production methods therefor, and use for preparing supported metal or metal oxide clusters
#203Multiple-metal complex-containing compound and metal complex, and manufacture methods therefor, and exhaust gas purification catalyst manufacture method using the same
#204Process and catalyst for oxidizing aromatic compounds
#205CATALYST SUPPORT SUBSTRATE, METHOD FOR GROWING CARBON NANOTUBES USING THE SAME, AND TRANSISTOR USING CARBON NANOTUBES
#206CATALYST SUPPORTS
#207PHOTOCATALYTIC COMPOSITION FOR ANTI-REFLECTION AND THE GLASS SUBSTRATE COATED WITH THE COMPOSITION
#208Catalyst composition and process for the selective oxidation of ethane and/or ethylene to acetic acid
#209Synthesis of liquid fuels from biomass
#210Method for synthesising a nano-product
#211Catalyst for producing alcohol
#212Preparation of high activity cobalt catalysts, the catalysts and their use
#213Preparation of high activity cobalt catalysts, the catalysts and their use
#214MESOPOROUS AMORPHOUS OXIDE OF TITANIUM
#215METHOD FOR PRODUCING HYDROCARBON FRACTIONS
#216Process for hydrocarbon synthesis
#217Catalyst Consisting of a Solid Support, an Oxide and a Metal Active Phase Which is Grafted on the Oxide, a Method for the Preparation and the Use Thereof
#218PROCESS FOR PRODUCING SUPPORTED RUTHENIUM OXIDE AND PROCESS FOR PRODUCING CHLORINE
#219Processes for regenerating sulfur-poisoned, ruthenium and/or ruthenium compound-containing catalysts
#220Ultra high temperature shift catalyst with low methanation
#221Exhaust Gas Purifying Apparatus
#222Catalyst composition preparation and use
#223Photocatalytic hydrophilifiable material
#224Fischer-tropsch catalyst
#225Sour service dewaxing catalyst without separate hydrogenation function
#226Hydrorefining method
#227PROCESS FOR STABILISING A CATALYST
#228Attrition Resistant Particulate Catalyst
#229Microbicidal substrate
#230Carbon nanotube grown on catalyst and manufacture method
#231Method and apparatus for converting organic material
#232Process for producing supported ruthenium and process for producing chlorine
#233Selective catalytic reduction type catalyst
#234Isomerization catalyst and process
#235Titanium oxide photocatalyst, method for producing same and use thereof
#236Catalyst, catalyst precursor, and catalyst carrier
#237Method of manufacturing alcohol esters from triglycerides and alcohols using heterogeneous catalysts based on phosphate or an organophosphorous compound of a group 4 metal
#238Promoted Fischer-Tropsch catalysts
#239Ruthenium oxide catalysts for conversion of sulfur dioxide to sulfur trioxide
#240Process for dehydrating glycerol to acrolein
#241METHODS OF GENERATING SUPPORTED NANOCATALYSTS AND COMPOSITIONS THEREOF
#242Titanium oxide, catalyst for treating exhaust gas and method for purifying exhaust gas
#243Method for producing metal oxide sol
#244Process for hydrocarbon synthesis
#245Isomerization catalyst and process
#246Visible Light-Responsive Photocatalyst Composition and Process for Producing the Same
#247Process for preparing a catalyst
#248Composite structures in an amorphous state for photocatalysis
#249Thermally stable catalyst and process for the decomposition of liquid propellants
#250Catalyst for cycloolefin production and process for production
#251Catalytic process for the conversion of Co (II)hydroxide in Co (III)oxidehydroxide
#252Supported catalysts with controlled metal cluster size
#253Process for the removal of harmful substances from exhaust gases of combustion engines and catalyst for carrying out said process
#254Reforming sulfur-containing hydrocarbons using a sulfur resistant catalyst
#255Catalyst for Carbon Monoxide Removal and Method of Removing Carbon Monoxide With the Catalyst
#256Illuminating devices employing titanium dioxide photocatalysts
#257Magnetron Sputtering Device In which Two Modes Of Magnetic Flux Distribution (Balanced Mode/Unbalanced Mode) Can Be Switched From One To The Other And Vice Versa, A Film Formation Method For Forming A Film From An Inorganic Film Formation Material Using The Device, And A Dual Mode Magnetron Sputtering Device And Film Formation Method For Forming A Film From An Inorganic Film Formation Material At A Low Temperature Using The Device
#258Photocatalyst materials having semiconductor characteristics and methods for manufacturing and using the same
#259Quaternary oxides and catalysts containing quaternary oxides
#260CARBON MONOXIDE TRANSFORMING APPARATUS FOR FUEL CELL AND FUEL CELL POWER GENERATING SYSTEM
#261Thermally Stable Catalyst and Process for the Decomposition of Liquid Propellants
#262Porous carrier for steam-reforming catalysts, steam-reforming catalyst and process for producing reactive mixed gas
#263Molecular sieve compositions, catalyst thereof, their making and use in conversion processes
#264Low temperature ammonia remediation catalysts
#265Catalyst and method for the preparation thereof
#266DeNOx catalyst preparation method
#267Methods of making textured catalysts
#268Process for preparing cyanopyridines and suitable catalysts therefor
#269Catalyst support, catalyst and process for dehydrogenating hydrocarbons
#270Microwave process for porous ceramic filters with passivation and catalyst coatings
#271Nanostructured coatings and related methods
#272Gold-ceria catalyst for oxidation of carbon monoxide
#273Method for forming metal oxide coating film and vapor deposition apparatus
#274Catalyst for removing pollutants from exhaust gases from lean-burn engines, with ruthenium as active metal
#275Supported catalysts using nanoparticles as the support material
#276Process for alcohol production by selective ether decomposition
#277Multi-component molecular sieve catalyst compositions and their use in aromatics reactions
#278Zeolite composite, method for making and catalytic application thereof
#279Mesoporous amorphous oxide of titanium
#280Method and apparatus for converting organic material
#281Oxynitride compounds, methods of preparation, and uses thereof
#282Hydrodesulfurization Catalyst for Petroleum Hydrocarbons and Process for Hydrodesulfurization Using the Same
#283Catalyst support substrate, method for growing carbon nanotubes using the same, and the transistor using carbon nanotubes
#284Process and catalysts for deep desulphurization of fuels
#285Catalyst and method for converting low molecular weight paraffinic hydrocarbons into alkenes
#286Catalyst composition and process for the selective oxidation of ethane and/or ethylene to acetic acid
#287Zeolite composite, method for making and catalytic application thereof
#288Elongated shaped particles use as a catalyst or support thereof
#289Mesoporous amorphous oxide of titanium
#290Catalyst for purifying exhaust gases and process for producing the same
#291Metallic hydrogenation catalysts, production and use thereof
#292Isomerization catalyst and process
#293Catalytic material and method of production thereof
#294Thermally stabile materials having high specific surfaces
#295Supported metal catalyst with improved thermal stability
#296Method of isomerizing hydrocarbon
#297High flow rate gaseous reactant supply
#298Photocatalytic composite material and method for preparation thereof
#299Mesoporous material with active metals
#300Mesoporous material and use thereof for the selective oxidation of organic compounds