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| Number | Title | Issue Date |
| 8188321 | Process for producing hydrogenolysis products of polyhydric alcohols The present invention relates to a process for producing hydrogenolysis products of polyhydric alcohols with a good selectivity and a high yield, as well as hydrogenolysis catalysts used in the production process. The present invention provides (1) a process for pro... | 05/29/2012 |
| 8080692 | Catalytic process for the production of oxygenated hydrocarbons The invention relates generally to the production of oxygenated hydrocarbons such as lower alcohols and more preferably 1,2-propanediol. More particularly, this invention comprises a single-step catalytic process for the catalytic production of lower alcohols such a... | 12/20/2011 |
| 8058484 | Flexible glycerol conversion process The present invention relates to a process for converting byproducts of the manufacture of biodiesel into industrially useful oxygenated products of greater commercial value. The process includes a trickle bed reactor in which a glycerol-rich feedstock is reacted wi... | 11/15/2011 |
| 8053608 | Process for producing propylene glycol It is an object of the present invention to provide a process for producing propylene glycol from glycerol as a raw material without the necessity for a step of gasifying glycerol. The process for producing propylene glycol of the present invention comprises a step ... | 11/08/2011 |
| 7960594 | Method of preparing ethylene glycol from cellulose A method for preparing ethylene glycol from cellulose uses the cellulose as the feed for the reaction. The cellulose conversion is performed over catalysts which are composed of the metallic state, carbides, nitrides, or phosiphides of molybdenum or tungsten, and me... | 06/14/2011 |
| 7943805 | Method of producing lower alcohols from glycerol A reactive-separation process converts glycerin into lower alcohols, having boiling points less than 200° C., at high yields. Conversion of natural glycerin to propylene glycol through an acetol intermediate is achieved at temperatures from 150° to 250° C. at a p... | 05/17/2011 |
| 7816567 | Method of producing lower alcohols from glycerol A reactive-separation process converts glycerin into lower alcohols, having boiling points less than 200° C., at high yields. Conversion of natural glycerin to propylene glycol through an acetol intermediate is achieved at temperatures from 150° to 250° C. at a p... | 10/19/2010 |
| 7812200 | Process for preparing 1,2-propanediol by hydrogenolysis of glycerol The invention provides a process for preparing 1,2-propanediol, by reacting glycerol which has a purity of at least 95% by weight with hydrogen at a hydrogen pressure of from 20 to 100 bar and a temperature of from 180 to 240 DEG C. in the presence of a catalyst whi... | 10/12/2010 |
| 7812199 | Hydroxyl compounds and compositions for cholesterol management and related uses The present invention relates to novel hydroxyl compounds, compositions comprising hydroxyl compounds, and methods useful for treating and preventing a variety of diseases and conditions such as, but not limited to aging, Alzheimer's Disease, cancer, cardiovascular ... | 10/12/2010 |
| 7799957 | Process for producing product of hydrogenolysis of polyhydric alcohol The present invention relates to a process for producing hydrogenolysis products of polyhydric alcohols with a high selectivity as well as hydrogenolysis catalysts used in the hydrogenolysis reaction. The present invention provides a process for producing a hydrogen... | 09/21/2010 |
| 7790937 | Process for the preparation of 1,2-propanediol The present invention relates to a process for the preparation of 1,2-propanediol, in which a glycerol-containing stream, in particular a stream obtained on an industrial scale in the production of biodiesel, is subjected to a hydrogenation. ... | 09/07/2010 |
| 7767867 | Methods and systems for generating polyols Disclosed are methods for generating propylene glycol, ethylene glycol and other polyols, diols, ketones, aldehydes, carboxylic acids and alcohols from biomass using hydrogen produced from the biomass. The methods involve reacting a portion of an aqueous stream of a... | 08/03/2010 |
| 7759531 | Process for preparing 1,4-butanediol The present invention provides an integrated process for continuously preparing 1,4-butanediol, which comprises the following stages: (I) reacting formaldehyde with acetylene in the presence of a copper catalyst at a pH of from 5 t... | 07/20/2010 |
| 7759530 | Moulded catalyst bodies and method for hydrogenation of carbonyl compounds The invention relates to a method for hydrogenation of an organic compound comprising at least one carbonyl group, whereby the organic compound is brought into contact with a moulded body in the presence of hydrogen. Said body may be produced by a method in which (i... | 07/20/2010 |
| 7754927 | Method for producing 3,3,3-trifluoropropionyl chloride There is provided a process for producing 3,3,3-trifluoropropionyl chloride, which is characterized in that 3,3,3-trifluoropropionaldehyde is chlorinated by a chlorinating agent selected from the group consisting of chlorine (Cl2), sulfuryl chloride (SO | 07/13/2010 |
| 7619124 | Process for the preparation of propylene glycol A process for the preparation of propylene glycol from glycerol by a high pressure and temperature hydrogenation reaction is described. In a particular embodiment, a base is present in the solvent mixture with an alkanol or ether of the alkanol. The reaction progres... | 11/17/2009 |
| 7605292 | Method for the separation of polymeric by-products from 1,4-butynediol The present invention relates to a process for purifying 1,4-butynediol, which comprises compressing 1,4-butynediol to from 50 to 1500 bar, depressurizing it, waiting for phase separation to occur after depressurization and separating off the bottom phase, and a pro... | 10/20/2009 |
| 7586016 | Method for producing 1,2-propylene glycol using bio-based glycerol This invention disclosed a method for producing 1,2-propylene glycol from bio-based glycerol. In this method, a CuO—CeO2—SiO2 catalyst is filled into a fixed bed reactor, a glycerol solution is flowed into the reactor together with hydrogen... | 09/08/2009 |
| 7572941 | Method for the separation of polymeric by-products from 1,4-butynediol The present invention relates to processes for making 1,4-butanediol, 1,4-butenediol, or a mixture thereof by processing 1,4-butynediol in a dynamic mixing apparatus in an inert gas atmosphere at from 25 to 150° C. at a shear rate in the radial gap between rotor an... | 08/11/2009 |
| 7514587 | Selective reduction of glycerol by porous silicon The invention provides a method to prepare 1,3-propanediol from glycerol. The glycerol is contacted with porous silicon in the presence of an acid to provide the resulting 1,3-propanediol. The porous silicon can have at least one of three types of silicon hydride mo... | 04/07/2009 |
| 7366772 | Method and apparatus for creating and exposing order status within a supply chain having disparate systems The present invention describes a method and system for creating and exposing order status within a supply chain of trading partners having disparate systems. A trading partner exchange (TPE) interfaces with each of the disparate systems and gathers information pert... | 04/29/2008 |
| 7355083 | Process A process for hydrogenation of glycerol in which a feed comprising glycerol is contacted with a stream of a hydrogen-containing gas and subjected to hydrogenation in the vapour phase in the presence of a catalyst at a temperature of from about 160° C. to about 260Â... | 04/08/2008 |
| 7335799 | Hydroxyl compounds and compositions for cholesterol management and related uses The present invention relates to novel hydroxyl compounds, compositions comprising hydroxyl compounds, and methods useful for treating and preventing a variety of diseases and conditions such as, but not limited to aging, Alzheimer's Disease, cancer, cardiovascular ... | 02/26/2008 |
| 7230144 | Methods of making intermediates from polyhydroxyalkanoates Methods of forming intermediates from PHAs are disclosed. ... | 06/12/2007 |
| 7230145 | Catalyst for producing both end-hydroxyl group-terminated diols, process for producing the catalyst, process for producing the diols by using the catalyst, and both end-hydroxyl group-terminated diols obtained by the process A process for producing a both end-hydroxyl group-terminated diol, wherein an epoxy alcohol represented by the general formula (1) is subjected to a hydrogenolysis reaction in the presence of a catalyst for producing both end-hydroxyl group terminated diols, which c... | 06/12/2007 |
| 7211701 | Preparation of trimethylolpropane The present invention relates to a process for preparing trimethylolpropane having a low APHA color number. ... | 05/01/2007 |
| 7183443 | Process for the preparation of enantiomerically enriched compounds Process for the preparation of enantiomerically enriched amino aldehydes and amino alcohols, wherein a corresponding enantiomerically enriched amino nitrile is subjected to hydrogenation in the presence of hydrogen, a hydrogenation catalyst, preferably a Pd-catalyst... | 02/27/2007 |
| 7176157 | Anode structure An anode structure comprising a ruthenium catalyst is disclosed. The catalyst consists essentially of ruthenium deposited on a conducting support wherein the ruthenium is in metallic form or in a form that is readily reducible to the metallic form at temperatures of... | 02/13/2007 |
| 7169958 | Method for the production of 1,4- butane-diol by combined gas-phase and liquid-phase hydrogenation The present invention relates to a process for preparing optionally alkyl-substituted 1,4-butanediol by two-stage catalytic hydrogenation in the gas phase of C4-dicarboxylic acids and/or of derivatives thereof having the following steps: a) i... | 01/30/2007 |
| 7163908 | Metathesis catalysts The present invention relates to supported catalysts based on Re2O7/(—Al2O3 for use in the preparation of cycloalkadienes in a metathesis reaction, a process for preparing cycloalkadienes in the presence of these support... | 01/16/2007 |
| 7161043 | Process for the carbonylation of ethylenically unsaturated compounds and bidentate diphosphine composition used in this process Process for the carbonylation of optionally substituted ethylenically unsaturated compounds by reaction with carbon monoxide and a coreactant in the presence of a catalyst system. The catalyst system includes (a) a source of Pt group metal cations,... | 01/09/2007 |
| 7138552 | Method for producing C-alcohol mixtures The present invention relates to a process for preparing a C13-alcohol mixture which is suitable, in particular, as precursor for the preparation of compounds having surfactant properties and of plasticizers. ... | 11/21/2006 |
| 7084312 | Catalyst and method for hydrogenating carbonyl compounds A process for the hydrogenation of an organic compound containing at least one carbonyl group comprises bringing the organic compound in the presence of hydrogen into contact with a shaped body which can be produced by a process in which ... | 08/01/2006 |
| 7084089 | Process for the carbonylation of ethylenically unsaturated compounds, bidentate diphosphine composition used in this process and a process for preparation of this bidentate diphosphine composition Process for the carbonylation of optionally substituted ethylenically unsaturated compounds by reaction with carbon monoxide and a coreactant in the presence of a catalyst system. The catalyst system includes (a) a source of Pt group metal cations,... | 08/01/2006 |
| 7064239 | Preparation of 1,6-hexanediol The present invention provides a process for preparing 1,6-hexanediol having a purity of ≧99.5% by weight by catalytically dimerizing acrylic esters and catalytically hydrogenating the hexenedioic diesters obtained in this way to 1,6-hexanediol by a) ... | 06/20/2006 |
| 7056854 | Process for the carbonylation of ethylenically unsaturated compounds and bidentate diphosphine composition used in this process Process for the carbonylation of optionally substituted ethylenically unsaturated compounds by reaction with carbon monoxide and a coreactant in the presence of a catalyst system. The catalyst system includes (a) a source of Pt group metal cations,... | 06/06/2006 |
| 7038094 | Hydrogenolysis of 5-carbon sugars, sugar alcohols, and methods of making propylene glycol Methods and compositions for reactions of hydrogen over a Re-containing catalyst with compositions containing a 5-carbon sugar, sugar alcohol, or lactic acid are described. It has been surprisingly discovered that reaction with hydrogen over a Re-containing multimet... | 05/02/2006 |
| 7022824 | Method for the production of sorbit A process is described for preparing sorbitol by catalytic hydrogenation of a monosaccharide forming sorbitol on hydrogenation in the liquid phase, which comprises the catalyst being obtainable by: i) single or multiple treatment o... | 04/04/2006 |
| 6982357 | PROCESS FOR THE PREPARATION OF PROPANE-1,3-DIOL BY VAPOR PHASE HYDROGENATION OF 3-HYDROXYPROPANAL, BETA-PROPIOLACTONE, OLIGOMERS OF BETA-PROPIOLACTONE, ESTERS OF 3-HYDROXYPROPANOIC ACID OR MIXTURES THEREOF A process is described for the production of propane-1,3-diol. The process comprises subjecting a vaporous feed mixture comprising a hydrogen-containing gas and a feedstock selected from 3-hydroxypropanal, β-propiolactone, oligomers of β-propiolactone, esters of 3... | 01/03/2006 |
| 6969779 | Method for removal of MW176 cyclic acetal formed during the production of 1,3-propanediol The present invention is an improvement upon the process for the production of 1,3-propanediol (PDO) wherein an aqueous solution of 3-hydroxypropanal (HPA) is formed, and the HPA is subjected to hydrogenation to produce a crude PDO mixture comprising PDO, water, MW1... | 11/29/2005 |
