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| Number | Title | Issue Date |
| 8158834 | Method for producing hydrogenolysis product of polyhydric alcohol The present invention relates to a process for producing a hydrogenolysis product of a polyhydric alcohol in an efficient manner. The present invention provides a process for producing a hydrogenolysis product of a polyhydric alcohol in a batch manner in which the h... | 04/17/2012 |
| 8153847 | Hydrogenolysis of glycerol and products produced therefrom A process is provided for producing biobased propylene glycol, the process comprising placing a biobased glycerol containing solution at a concentration of at least 20% glycerol by weight and hydrogen in contact with a solid catalyst such that the biobased propylene... | 04/10/2012 |
| 8110712 | Process for the preparation of alkylene glycol The invention provides a process for the preparation of an alkylene glycol from an alkylene oxide. Alkylene oxide reacts with carbon dioxide in the presence of a carboxylation catalyst to provide alkylene carbonate; alkylene carbonate reacts with water in the presen... | 02/07/2012 |
| 8101807 | Methods for converting glycerol to propanol A hydrogenolysis method for converting glycerol into propylene glycol by directing a glycerol containing feed having a pH of about 10 or more to a reaction section including at least one glycerol conversion catalyst and operating at glycerol conversions conditions t... | 01/24/2012 |
| 8093437 | Industrial process for production of diol The invention provides an apparatus and process for producing a diol by taking a cyclic carbonate and an aliphatic monohydric alcohol as starting materials, continuously feeding the starting materials into column A, carrying out reactive distillation in column A, co... | 01/10/2012 |
| 8071819 | Industrial process for production of high-purity diol The invention provides an apparatus and process for producing high-purity diol by taking cyclic carbonate and aliphatic monohydric alcohol as starting materials, continuously feeding the starting materials into column A, carrying out reactive distillation in column ... | 12/06/2011 |
| 8071820 | Method for converting glycerol to propanol A method and apparatus for converting glycerol into propylene glycol by directing a basic glycerol containing feed and a hydrogen containing gas into a reaction zone including a fixed bed of catalyst that is operating at glycerol conversion conditions where the reac... | 12/06/2011 |
| 7655821 | Direct hydrocarbonylation process A direct hydrocarbonylation process for the production of 1,4-butanediol is described. The process comprises reacting allyl alcohol with carbon monoxide and hydrogen in an alcohol solvent in the presence of a catalyst system comprising a rhodium complex, a trialkyl ... | 02/02/2010 |
| 7511178 | Process of preparing ethylene glycol The invention provides a process of preparing glycolaldehyde by reacting formaldehyde with hydrogen and carbon monoxide in the presence of a catalyst composition which is based on, a) a source of rhodium, and b) a ligand of general formula R1P—R2 | 03/31/2009 |
| 7507866 | Method for producing optically active alcohols or carboxylic acids The present invention relates to a process for preparing optically active hydroxy-, alkoxy-, amino-, alkyl-, aryl- or chlorine-substituted alcohols or hydroxy carboxylic acids having from 3 to 25 carbon atoms or their acid derivatives or cyclization products by hydr... | 03/24/2009 |
| 7427684 | Process for the production of lactams A homogeneous process for the hydrogenation of dicarboxylic acid and/or derivative thereof with an amine in the presence of a catalyst comprising: (a) ruthenium or osmium; and (b) an organic phosphine; and wherein the hydrogenation is carried out in the presence of ... | 09/23/2008 |
| 7385090 | Method of treating an aldehyde mixture, use of the treated aldehyde, and an alcohol A method of treating an aldehyde mixture comprising a carboxylic acid and a metal cation, which method comprises: contacting the aldehyde mixture with a basic separating medium, and subsequently or simultaneously contacting with an acidic separating medium; use of t... | 06/10/2008 |
| 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 |
| 7335800 | Hydrogenation catalyst and hydrogenation method The present invention provides a hydrogenation catalyst effective for hydrogenating 3-hydroxypropionaldehyde to 1,3-propanediol. The hydrogenation catalyst comprises an α-alumina support, nickel, ruthenium, and a promoter. The nickel is deposited on the α-alumina ... | 02/26/2008 |
| 7321070 | Synthesis of isotopically labeled R- or S-[C, H] glycerols The present invention is directed to asymmetric chiral labeled glycerols including at least one chiral atom, from one to two 13C atoms and from zero to four deuterium atoms bonded directly to a carbon atom, e.g., (2S) [1,2-13C2]glyce... | 01/22/2008 |
| 7307194 | Method for producing 1, 6 hexane diol The present invention provides a process for preparing 1,6-hexanediol from a carboxylic acid mixture which comprises adipic acid, 6-hydroxycaproic acid and small amounts of 1,4-cyclohexanediols and is obtained as a by-product in the oxidation of cyclohexane to cyclo... | 12/11/2007 |
| 7294602 | Hydroformylation process A process for the production of 4-hydroxybutyraldehyde is described. The process comprises reacting allyl alcohol with a mixture of carbon monoxide and hydrogen in the presence of a solvent and a catalyst system comprising a rhodium complex and a trans-1,2-bis(bis(3... | 11/13/2007 |
| 7279606 | Hydroformylation process A process for the production of 4-hydroxybutyraldehyde is described. The process comprises reacting allyl alcohol with a mixture of carbon monoxide and hydrogen in the presence of a solvent and a catalyst system comprising a rhodium complex and a trans-1,2-bis(bis(3... | 10/09/2007 |
| 7271299 | Two-stage method for producing butanediol with intermediated separation of succinic anhydride Optionally alkyl-substituted 1,4-butanediol is prepared from C4-dicarboxylic acids and/or of derivatives thereof by: a) a gas stream of the C4-dicarboxylic acid or the derivative thereof in a first reactor in ... | 09/18/2007 |
| 7271295 | Hydroformylation process A process for the production of 4-hydroxybutyraldehyde is described. The process comprises reacting allyl alcohol with a mixture of carbon monoxide and hydrogen in the presence of a solvent and a catalyst system comprising a rhodium complex and a 2,3-O-isopropyliden... | 09/18/2007 |
| 7211699 | Purification of biochemically derived 1,3-propanediol The invention discloses a hydrogenation process for removing impurities and controlling acid for use in downstream processing of biochemically-derived 1,3-propanediol. Preferably, the biochemically-derived 1,3-propanediol, before the contacting, has an initial color... | 05/01/2007 |
| 7208637 | Glycidyl dinitropropyl formal, poly(glycidyl dinitropropyl formal) and preparation method thereof Disclosed are novel compounds that can be used as an energetic binder used for improving the performance and the properties of a high explosive, and a preparation method thereof. More specifically, provided are glycidyl dinitropropyl formal of chemical formula IV ha... | 04/24/2007 |
| 7173097 | Metathesis-curable composition with a reaction control agent A composition curable by a metathesis reaction upon mixing its components and comprising an olefin-containing substrate, a metathesis catalyst, and a reaction control agent for slowing the progress of the metathesis reaction. The metathesis catalyst is a ruthenium o... | 02/06/2007 |
| 7157607 | Manufacture of polytrimethylene ether glycol A process of manufacture of polytrimethylene ether glycol comprising: (a) polycondensing reactant comprising diol selected from the group consisting of 1,3-propanediol, 1,3-propanediol dimer and 1,3-propanediol trimer or mixtures t... | 01/02/2007 |
| 7115785 | Method for making salts hydroxy-substituted hydrocarbons Disclosed is a method for preparing an alkali metal salt of a hydroxy-substituted hydrocarbon which comprises the steps of (i) contacting in solvent media at least one hydroxy-substituted hydrocarbon with a base comprising an alkali metal cation; and (ii) devolatili... | 10/03/2006 |
| 7098368 | Hydrogenation of biochemical derived 1,3 -propanediol The invention discloses a hydrogenation process for removing impurities and controlling acid for use in downstream processing of biochemically-derived 1,3-propanediol. Preferably, the biochemically-derived 1,3-propanediol, before the contacting, has an initial color... | 08/29/2006 |
| 7084311 | Hydrogenation of chemically derived 1,3-propanediol Disclosed is a process comprising contacting chemical 1,3-propanediol with hydrogen in the presence of a hydrogenation catalyst. Preferably, the chemical 1,3-propanediol, before the contacting has an initial color and, after the contacting, has a color that is lower... | 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 |
| 7060778 | Ytterbium(III) acetylacetonate as a catalyst for the preparation of aliphatic oligocarbonate polyols Ytterbium(III) acetylacetonate is used as a catalyst for the preparation of aliphatic oligocarbonate polyols by transesterification of at least one organic carbonate with at least one aliphatic polyol. ... | 06/13/2006 |
| 7060861 | Method for hydrating poly-or monomethylol alkanals In a process for the catalytic hydrogenation of a polymethylolalkanal or a monomethylolalkanal of the formula (I) where R may be identical or different and are each a substituted or unsubstituted aliphatic hydroc... | 06/13/2006 |
| 7049476 | Guerbet polymers The present invention is drawn to a series of highly branched, essentially saturated, liquid oil phases having primary alcohol groups, and a method of treating skin. The polymers of the present invention are high molecular weight oil phases which provide outstanding... | 05/23/2006 |
| 7038092 | Purification of chemical 1,3-propanediol Disclosed is a process comprising contacting chemical 1,3-propanediol with hydrogen in the presence of a hydrogenation catalyst. Preferably, the chemical 1,3-propanediol, before the contacting has an initial color and, after the contacting, has a color that is lower... | 05/02/2006 |
| 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 |
| 7019095 | Ethylene-vinyl alcohol copolymer and process for producing the same An ethylene-vinyl alcohol copolymer, represented by the formula (1): wherein n represents a number in the range of 15 to 15,000, and a method of producing an ethylene-vinyl alcohol copolymer wherein an 1,4 -polybutadien... | 03/28/2006 |
| 7001590 | Metathesis-curable composition One-part and two-part compositions curable by a metathesis reaction comprising a resin containing a substrate with at least two cycloolefin groups per molecule curable by a metathesis reaction with a metathesis catalyst. These compositions may optionally contain a r... | 02/21/2006 |
| 7002026 | Removal of propylene glycol and/or propylene glycol ethers from aqueous streams An aqueous stream containing propylene glycol and/or ethers thereof is treated by counter current liquid—liquid extraction with propylene and/or propane to separate the propylene glycol and/or ether from the aqueous stream. ... | 02/21/2006 |
| 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 |
| 6962730 | Coating composition containing crosslinkable monomeric difunctional compounds having at least thirty carbon atoms The invention provides coating compositions comprising a reactive component (a) which is substantially free of any heteratoms and is a not a crystalline solid at room temperature and which comprises from (i) 12 to 72 carbon atoms, and (ii) at least two functional gr... | 11/08/2005 |
| 6953868 | Oxyfunctionalization of polyolefins The present invention is a method for oxyfunctionalizing, that is, introducing oxygen functionality to, a polyolefin such as polypropylene and poly(ethylene-alt-propylene). The polyolefin is contacted with an oxygen source such as a persulfate and catalytic amounts ... | 10/11/2005 |
