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| Number | Title | Issue Date |
| 7355066 | Process for making terpene esters A process for making terpene esters is disclosed. Reaction of a terpene alcohol with acetic anhydride in the presence of a high-boiling amine provides a terpene ester. Acetic acid, which is distilled from the reaction mixture as it forms can be recovered. The terpen... | 04/08/2008 |
| 7329774 | Method and plant for the manufacture of carboxylic acid ester by means of a reactive distillation Carboxylic acid ester is produced by esterification of carboxylic acid and an alcohol in a catalytic reaction zone of a first column at a pressure not greater than ambient pressure. The resultant sump product is distilled in a reaction zone of a second column at a p... | 02/12/2008 |
| 7208642 | Process for preparation of formate esters or methanol and catalyst therefor A production process and a catalyst are provided, which can be less decreased in activity of the catalyst even when CO2, water and the like are present in the starting material and/or the reaction system, and which can produce a formic ester or a methanol... | 04/24/2007 |
| 7199263 | Acetic anhydride and acetate ester co-production A method of co-producing acetic anhydride and an acetate ester includes pyrolizing acetic acid at elevated temperature to produce a first ketene stream, the first ketene stream being a vapor phase stream comprising ketene, acetic acid and water; cooling the first ke... | 04/03/2007 |
| 7183421 | Processes for producing oxide with higher oxidation than alcohol The present invention provides a process for producing an oxide from an alcohol compound, the process comprising the steps of causing silica gel to carry the alcohol compound thereon and an oxidative catalyst thereon, and oxidizing the alcohol compound in the presen... | 02/27/2007 |
| 7160524 | Process and apparatus for the production of butylacetate and isobutylacetate The invention relates to an apparatus for the production of butylacetate by esterification of acetic acid with butanol in the presence of a solid acidic catalyst in which distillatory separation of components runs simultaneously with esterification. Thus, acetic aci... | 01/09/2007 |
| 7115773 | Coupled production of two esters The invention relates to a method for the coupled production of two esters by reacting a mixture of aliphatic alcohols with an aliphatic carboxylic acid and then treating the resulting mixture by distillation. During the distillation process, a side flow that is tak... | 10/03/2006 |
| 7094724 | Catalytic solid supported on calcined hydrotalcite for olefinic polymerisation Catalyst solid for olefin polymerization comprising A) at least one calcined hydrotalcite and B) at least one organic transition metal compound, and also a catalyst system comprising the catalyst solid, the use of the catalyst sol... | 08/22/2006 |
| 7091155 | Catalyst for ester production and process for producing ester A catalyst for ester production which comprises zirconium oxide, copper, and at least one oxide selected from the group consisting of zinc oxide, chromium oxide, aluminum oxide and silicon oxide, and is obtainable by reducing with hydrogen a catalyst precursor prepa... | 08/15/2006 |
| 7081554 | Oxo process The Oxo Process that recycles its cobalt primarily as cobalt salt is improved by concentration of the cobalt salt solution from the demetalling section and the addition of a separation step for organic acid and water. This allows for a higher reuse of acid in the pr... | 07/25/2006 |
| 7081547 | Process for producing formic ester or methanol and synthesis catalyst therefor A process for producing a formic ester comprises reacting carbon monoxide with an alcohol to produce a formic ester, wherein the reaction is performed in the presence of water and/or carbon dioxide and in the presence of (1) an alkali metal-type catalyst other than ... | 07/25/2006 |
| 7074304 | Process for purifying alicyclic alcohols A process for purifying alicyclic alcohols by distillation, wherein the alicyclic alcohols are distilled in the presence of from 1 to 550 ppm of acidic compounds. ... | 07/11/2006 |
| 6969576 | Photosensitive dissolution inhibitors and resists based on onium salt carboxylates A photoresist composition that employs onium salt carboxylates as thermally stable dissolution inhibitors. The photoresist composition can be either an onium carboxylate salt with a phenolic photoresist, such as novolac, or an onium cation protected carboxylate-cont... | 11/29/2005 |
| 6913739 | Platinum group metal promoted copper oxidation catalysts and methods for carbon monoxide remediation The invention provides processes for selectively oxidizing carbon monoxide from an input gas stream that contains carbon monoxide, oxygen and hydrogen. The process includes the step of contacting the input gas stream with a preferential oxidation catalyst. The prefe... | 07/05/2005 |
| 6867164 | Catalyst for production of acetic acid or acetic acid and ethyl acetate, process for its production and process for production of acetic acid or acetic acid and ethyl acetate using it An acetic acid production catalyst that contains (b) at least one element selected from the group consisting of Group 14 elements, Group 15 elements and Group 16 elements of the Periodic Table and/or (c) at least one element selected from the group consisting of Gro... | 03/15/2005 |
| 6809217 | Process for the preparation of ethyl acetate Ethanol is dehydrogenated in the presence of hydrogen over a dehydrogenation catalyst, for example, a copper on silica catalyst. The liquefiable products present in the resulting intermediate reaction product mixture are selectively hydrogenated over a suitable cata... | 10/26/2004 |
| 6797830 | Process for producing oxide with higher oxidation than alcohol The present invention provides a process for producing an oxide from an alcohol compound, the process comprising the steps of causing silica gel to carry the alcohol compound thereon and an oxidative catalyst thereon, and oxidizing the alcohol compound in the presen... | 09/28/2004 |
| 6740785 | Catalytic oxidation of organic substrates by transition metal complexes in organic solvent media expanded by supercritical or subcritical carbon dioxide Improved oxidation methods are provided wherein a reaction mixture comprising a substrate to be oxidized (e.g., phenols, alkenes) and an oxidation catalyst (typically dispersed in an organic solvent system) is supplemented with a compressed gas which expands the rea... | 05/25/2004 |
| 6639091 | Bidentate ligand, catalyst system containing such ligand and a process for the carbonylation of ethylenically or acetylenically unsaturated compounds using such a catalyst system Bidentate ligand of formula II, wherein M1 and M2 are independently P, As or Sb; R1, R2, R3 and R4 independently represent tertiary alkyl groups, or R1 and R2 together and/... | 10/28/2003 |
| 6521784 | Process for the preparation of acetic acid or methyl acetate Methanol is reacted in presence of catalyst system comprising of an iron containing compound and a tin containing compound with or without an organic compound containing C, N, O, P, S, diamine, diketone, and or diphosphines as a ligand to produce acetic a... | 02/18/2003 |
| 6458992 | Process and apparatus for the production of butylacetate and isobutylacetate The invention relates to a process of butylacetate production by esterification of acetic acid with butanol in the presence of a solid acidic catalyst in which distillatory separation of components runs simultaneously with esterification. Thus, acetic aci... | 10/01/2002 |
| 6444842 | Continuous process for the production of carboxylic acid esters of alkylene glycol monoalkyl ethers The present invention provides an improved method for the preparation of carboxylic acid esters of alkylene glycol monoalkyl ethers by the acid catalyzed esterification of the monoalkyl ether with a carboxylic acid. In a preferred embodiment of the invent... | 09/03/2002 |
| 6399828 | Preparation of amphetamines from phenylpropanolamines A process for making compound of formula I ##STR1## from a phenylpropanolamine salt of formula II ##STR2## wherein: R1 is hydrogen or a lower alkyl group; each R2 is independently a hydrogen, halogen, lower alkyl group, lower alkoxy ... | 06/04/2002 |
| 6316664 | Process for preparing hydroxy-containing compounds from formic acid esters Formic ester is transesterified with a hydroxyl-containing compound in the presence of a tertiary amine as transesterification catalyst to form a formic ester which differs from the formic ester used as reactant, and of a hydroxyl-containing compound whic... | 11/13/2001 |
| 6278015 | Process for trifluoroacetate esters and thioesters The present invention provides a process for preparing esters or thioesters of trifluoroacetic acid from trifluoroacetyl chloride and an alcohol or a thiol with the ester or thioester being present as the solvent. Esters and thioesters of trifluoroacetic ... | 08/21/2001 |
| 6093845 | Ester co-production This invention relates to a process for the simultaneous co-production of ethyl acetate and n-butyl acetate. The process involves reacting a reaction mixture of ethanol, n-butanol and acetic acid in the liquid phase, in the presence of an acidic catalyst.... | 07/25/2000 |
| 6072077 | 5-Z-octenyl esters, process for their preparation and their use 5-Z-octenyl esters of the formula ##STR1## in which R represents hydrogen, methyl or ethyl, have an intensive mango aroma, so that the compounds I can be added to fruit compositions and aroma compositions; they have flavor-intensifying and flavor-rou... | 06/06/2000 |
| 5998658 | Catalytic processes for the preparation of acetic esters An improved process for the preparation of acetic esters is disclosed. It comprises a fixed bed reaction and a catalytic distillation. The fixed bed reaction comprises the steps of: (a) charging acetic acid and alcohol into a fixed bed reactor under a pre... | 12/07/1999 |
| 5981792 | Process for the production of 1-functional allylalcohol carboxylic esters The process for preparing 1-functional allyl alcohol carboxylic esters comprises reacting a 3-functional allyl alcohol with the anhydride of the carboxylic acid at temperatures above 100° C. in the presence of metal compounds of transition groups V to VI... | 11/09/1999 |
| 5977402 | Processes for preparing 4-tert.-butylcyclohexanol and 4-tert.-butylcyclohexyl acetate 4-tert.-Butylcyclohexanol having a larger content of its cis-isomer is prepared by hydrogenating 4-tert.-butylphenol in a solvent in the presence of a rhodium catalyst and a compound selected from the group consisting of hydrogen chloride and (anhydrous) ... | 11/02/1999 |
| 5900369 | Method for producing oxodicyclopentadiene Optically active oxodicyclopentadiene is produced by adding lipase into ketoalcohol (1) and vinyl acetate, stirring them to obtain optically active acetate, and methylating and oxidizing to cleavage the reactant, and treating the product under basic condi... | 05/04/1999 |
| 5869739 | Method for producing formic acid or its derivatives Formic acid or derivatives thereof are produced from non-toxic carbon dioxide in the supercritical state, using it as raw materials, without using solvents, and at a high efficiency owing to a high reaction velocity, by reacting said carbon dioxide and an... | 02/09/1999 |
| 5840962 | Process for preparing esters from alcohols and ketenes A process for preparing an ester comprising reacting an alcohol with a ketene in an ester solvent in the presence of an acid catalyst, resulting in a high yield of the ester product, with a minimum of byproducts.... | 11/24/1998 |
| 5831116 | Catalytic process for making ethers, aldehydes esters and acids from alcohols using a supercritical fluid mobile A process for partially oxidizing alcohols such as methanol, comprising the steps of a) introducing into a reactor unit containing a solid acid catalyst amounts of alcohol and oxygen; and a supercritical fluid (such as SCF CO2) mobile phase; an... | 11/03/1998 |
| 5756830 | Process for preparing intermediates for the synthesis of antifungal agents A process for producing a crystalline chiral hydroxy ester of the formula: ##STR1## is disclosed. The process comprises reacting a diol of the formula: ##STR2## with an effective amount of isobutryic anhydride and an effective amount of a lipase... | 05/26/1998 |
| 5726345 | Process for perfuming textiles We describe a process for perfuming fabrics washed in the presence of a lipase-containing detergent and, optionally, subsequently treated with a fabric softener, said process being characterized in that said detergent and/or said fabric softener contains ... | 03/10/1998 |
| 5679837 | Process for producing acetic acid or methyl acetate and catalyst therefor The present invention relates to: (1) a novel catalyst which has a high catalytic activity, is useful in the production of acetic acid and/or methyl acetate from methanol, and is obtained through ion exchange of an anion of an anion exchanger with an anio... | 10/21/1997 |
| 5679831 | Process for the preparation of an ester Process for the preparation of a terminal ester by carbonylation of an internally unsaturated organic compound in the presence of an alcohol, carbon monoxide, palladium, an acid with a pKa of less than 2 (measured at 18° C. in an aqueous solut... | 10/21/1997 |
| 5670695 | Process for the preparation of diacerein The present invention relates to a process for the preparation of 1,8-diacetoxy-3-carboxyanthraquinone, also known as diacerein, via aloin acetylation, oxidation of the acetylated product, and purification of the raw diacerein obtained by means of crystal... | 09/23/1997 |
| 5659073 | Process for making glycol ether acetates Disclosed is a method of making a glycol ether acetate. Acetic acid is reacted with a glycol ether at a molar ratio of about 1.1 to about 2, in a mixture with a catalyst and an azeotropic agent which can be either butyl acetate or dibutyl ether. The mixtu... | 08/19/1997 |
