Patent application number | Description | Published |
20100048922 | PROCESS 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 |
20100099895 | PROCESS 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 |
20100105951 | PROCESS FOR PREPARING DIPHENYLMETHANEDIAMINE - The invention provides a process for preparing diphenylmethanediamine, comprising the steps of
| 04-29-2010 |
20100168445 | PROCESS 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 |
20100189623 | METHOD 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 |
20100305339 | METHOD 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 |
20110118510 | METHOD 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 |
20110263892 | PROCESS 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 |
20120010419 | METHOD FOR PRODUCING 1,6-HEXANEDIOL AND CAPROLACTONE - The invention relates to a process for preparing 1,6-hexanediol and caprolactone, preferably with at least 99.5% purity, which are especially virtually free of 1,4-cyclohexanediols, from a carboxylic acid mixture which is obtained as a by-product of the catalytic oxidation of cyclohexane to cyclohexanone/cyclohexanol with oxygen or oxygen-comprising gases and by water extraction of the reaction mixture, by hydrogenating the carboxylic acid mixture, esterifying and hydrogenating a substream to hexanediol and cyclizing 6-hydroxycaproic ester, the 1,4-cyclohexanediols being removed either in the course of fractionation of the esterification mixture or last from the caprolactone. | 01-12-2012 |
20120022298 | METHOD FOR PRODUCING 1,6-HEXANEDIOL - The invention relates to a process for preparing 1,6-hexanediol, preferably with at least 99.5% purity, which are especially virtually free of 1,4-cyclohexanediols, from a carboxylic acid mixture which is obtained as a by-product of the catalytic oxidation of cyclohexane to cyclohexanone/cyclohexanol with oxygen or oxygen-comprising gases and by water extraction of the reaction mixture, by hydrogenating the carboxylic acid mixture, esterifying and hydrogenating a substream to hexanediol. | 01-26-2012 |
20120031771 | PROCESS FOR PREPARING REACTIVE ZINC BY ELECTROCHEMICAL REDUCTION - The invention relates to a process for preparing reactive zinc by electrochemical reduction, wherein iron or steel is used as cathode material. | 02-09-2012 |
20120046497 | METHOD FOR PRODUCING COLOR-STABLE MDA AND MDI - The invention relates to a process for preparing methylenediphenyldiamine (MDA) by reacting formaldehyde and aniline in the presence of an acidic catalyst, wherein the oxygen content in the process for preparing MDA is <10 000 ppm, based on all compounds present in the process. | 02-23-2012 |
20120059174 | PROCESS FOR PREPARING EPSILON-CAPROLACTONE AND 1,6-HEXANEDIOL - The invention relates to processes for preparing 1,6-hexanediol and very pure ε-caprolactone from a dicarboxylic acid solution (DCS), comprising the steps of (a) esterification of the DCS with alcohols, (b) partial catalytic hydrogenation of the esters, (c) distillative removal of 1,6-hexanediol and low boilers as the top product, and (d) cyclization of the 6-hydroxycaproic ester present in the bottoms fraction in the presence of a higher-boiling alcohol than caprolactone. | 03-08-2012 |
Patent application number | Description | Published |
20090131256 | Substituted 1-(azolin-2-yl)-amino-2-aryl-1-hetaryl-ethane Compounds - The present invention relates to 1-(azolin-2-yl)-amino-2-aryl-1-hetaryl-ethane compounds (I) and 1-(aminothiocarbonylamino)-2-aryl-1-hetaryl-ethane compounds (II) and their salts which are useful for combating animal pest, in particular insects, arachnids and nematodes. Furthermore, the present invention relates to a method for combating animal pests selected from insects, arachnids and nematodes, and to agricultural compositions for combating animal pests. Furthermore, the present invention relates to veterinary compositions for combating animal pests. | 05-21-2009 |
20090221423 | Methods to Use 3-Pyridyl Derivatives as Pesticides - Pesticidal compositions comprising | 09-03-2009 |
20100069244 | Pyridine Compounds for Combating Pests - The present invention relates to a method of combating pest, which method comprises contacting said pest or their food supply, habitat, breeding ground or their locus with a 3-pyridyl compound of the formula (I). In formula (I) n is 1 or 2, y is 0 or 1 and X, R | 03-18-2010 |
20100120616 | Pesticidal Mixtures Comprising Cyanosulfoximine Compounds - The invention relates to pesticidal mixtures comprising as active compounds 1) at least one cyanosulfoximine compound I of the formula (I) wherein R | 05-13-2010 |
20110059973 | Pyrazole Compounds for Controlling Invertebrate Pests - The present invention relates to novel pyrazole compounds of the formulae I and II, to their salts and their N-oxides which can be used for combating or controlling invertebrate pests, in particular arthropod pests. The invention also relates to a method for controlling invertebrate pests by using these compounds. The present invention also relates to seed and to an agricultural and veterinary composition comprising said compounds. | 03-10-2011 |
20110105321 | Pesticidal Mixtures Comprising Cyanosulfoximine Compounds - The present invention relates to pesticidal mixtures comprising as active components
| 05-05-2011 |
20130023411 | Pesticidal Mixtures Comprising Cyanosulfoximine Compounds - The invention relates to pesticidal mixtures comprising as active compounds
| 01-24-2013 |
20140068820 | Pyrazole Compounds for Controlling Invertebrate Pests - The present invention relates to novel pyrazole compounds of the formulae I and II, to their salts and their N-oxides which can be used for combating or controlling invertebrate pests, in particular arthropod pests. The invention also relates to a method for controlling invertebrate pests by using these compounds. The present invention also relates to seed and to an agricultural and veterinary composition comprising said compounds. | 03-06-2014 |
20140179518 | Pesticidal Mixtures Comprising Cyanosulfoximine Compounds - The present invention relates to pesticidal mixtures comprising as active components | 06-26-2014 |
20140378494 | Pesticidal Mixtures Comprising Cyanosulfoximine Compounds - The invention relates to pesticidal mixtures comprising as active compounds
| 12-25-2014 |