Inventor

UMEMURA SUMIO

29 patents

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UMEMURA SUMIO

UBE INDUSTRIES

Process for producing methacrolein

Process for the catalytic preparation of acrolein and methacrolein

Process for preparing diesters of dicarboxylic acids

Process for preparing dihydric phenol derivatives

Method for the preparation of methacrylic acid

Ammoxidation catalyst for the production of acrylonitrile from propylene and process for producing the same

Catalyst for producing acrylonitrile in a fluidized bed reactor

Method for the catalytical preparation of acrylonitrile

Process for the catalytical preparation of acrylonitrile

Process for preparing diesters of dicarboxylic acids

Process for preparing diesters of dicarboxylic acids

Catalytic oxidative process for producing maleic anhydride

Catalytic oxidation of isobutylene

Composite catalyst for clarifying exhaust gas containing nitrogen oxides and method for producing the same

Catalyst for production of unsaturated carboxylic acid, preparation thereof and production of unsaturated carboxylic acid

Catalytic oxidation of methacrolein

Process for preparing protocatechualdehyde and its derivatives

Catalytic ammoxidation of olefins to nitriles

Catalyst for reducing nitrogen oxides and process for producing the same

Process for preparing phenol

Catalytic oxidative process for producing maleic anhydride

Process for preparing dihydric phenol derivatives

Process for preparing hydroxyphenyl ethers

Vapor phase oxidation of unsaturated aliphatic hydrocarbon to maleic anhydride using a catalyst consisting essentially of the oxides of vanadium, phosphorous, zirconium, and manganese

Process for the preparation of maleic anhydride catalyst

Process for preparing aliphatic monocarboxylic acid ester of hydroxymethyl-substituted monoaromatic compound

4-Alkoxy-1,3-dioxane-5-carbonitriles and process for preparing the same

Method for the catalytical production of acrylonitrile

UGINE KUHLMANN

Method for the catalytic production of acrylonitrile