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Daniel Breuninger, Bobenheim-Roxheim DE

Daniel Breuninger, Bobenheim-Roxheim DE

Patent application numberDescriptionPublished
20100048922PROCESS FOR ONE-STAGE PREPARATION OF 2-METHYLTETRAHYDROFURAN FROM FURFURAL OVER TWO CATALYSTS IN A STRUCTURED BED - The present invention provides a process for preparing 2-methyltetrahydrofuran by one-stage hydrogenation of furfural with a hydrogen-comprising gas in the presence of a structured bed of at least one copper catalyst and at least one catalyst which comprises at least one noble metal from groups 8, 9 and/or 10 of the periodic table of the elements applied on a support material.02-25-2010
20100099895PROCESS FOR ONE-STAGE PREPARATION OF 2-METHYLTETRAHYDROFURAN FROM FURFURAL OVER A CATALYST - The present invention provides a process for preparing 2-methyltetrahydrofuran by one-stage hydrogenation of furfural with a hydrogen-comprising gas in the presence of a supported catalyst which comprises at least one noble metal from groups 8, 9 and/or 10 of the periodic table of the elements.04-22-2010
20100105951PROCESS FOR PREPARING DIPHENYLMETHANEDIAMINE - The invention provides a process for preparing diphenylmethanediamine, comprising the steps of 04-29-2010
20100168445PROCESS FOR PREPARING EPSILON-CAPROLACTONE - The present invention provides a process for preparing ε-caprolactone in a purity above 99%, in which 6-hydroxycaproic ester comprising from 0.5 to 40% by weight of adipic diester is cyclized in the gas phase at from 150 to 450° C. in the presence of oxidic catalysts and ε-caprolactone is obtained from the cyclization product by distillation.07-01-2010
20100189623METHOD FOR THE RECOVERY OF MINERAL ACIDS FROM SALINE SOLUTIONS - The invention relates to a process for recovering acids from product streams of organic syntheses, which comprises the steps 07-29-2010
20100305339METHOD FOR PRODUCING LACTONES FROM DIOLS - The present invention provides a process for preparing lactones from optionally substituted, saturated aliphatic diols having from five to 20 carbon atoms between the two ring-closing hydroxyl groups by catalytic dehydrogenation and cyclization in the liquid phase over at least one catalyst.12-02-2010
20110118510METHOD FOR PRODUCING PHENYLALKANE-1-OLS - The present invention relates to a process for preparing phenylalkan-1-ols in three stages, where an ester condensation in the presence of alkali metal or alkaline earth metal alcoholates is carried out in the first stage.05-19-2011
20110263892PROCESS FOR PREPARING AN ISOCYANATE - The present invention relates to a process for preparing an isocyanate, comprising hydrogenating a mixture (Gi) comprising an amine in the presence of a hydrogenation catalyst comprising copper to obtain a mixture (Gii) comprising the amine, and reacting the mixture (Gii) with phosgene to obtain a mixture (Giii) comprising the isocyanate. The present invention further relates to the isocyanate preparable by this process.10-27-2011