Organic compounds -- part of the class 532-570 series inventions 04/08

20080097128 - Method of preparation of methyl-benzyl-ketone: A catalytic process for producing ketones and particularly methyl-benzyl-ketone is provided. A catalyst comprising thorium oxide and a second metal oxide, preferably MnO, is formed on a substrate, preferably pumice. Phenylacetic acid and acetic acid are reacted in the presence of the catalyst to form methyl-benzyl-ketone.... Agent: Thompson & Knight, L.L.P. Patent Prosecution Group

20080097129 - Process for the preparation of alkylene glycol: A process for the preparation of an alkylene glycol, said process comprising reacting the corresponding alkylene carbonate with water and/or an alcohol in the presence of a metalate immobilised on a solid support, having one or more electropositive sites.... Agent: Shell Oil Company

20080097130 - Method of isolating 1,3-propanediol or 1,3-propanediol and 1,2-propanediol from solution containing 1,3-propanediol, 1,2-propanediol, glycerol, and glucose: A method of isolating 1,3-propanediol from a solution containing 1,3-propanediol, 1,2-propanediol, glycerol, and glucose is provided. The method includes: obtaining a concentrate by concentrating the solution via reduced pressure evaporation; dissolving the concentrate in a solvent selected from the group consisting of ethyl acetate, methyl ethyl ketone, and a mixture... Agent: Rothwell, Figg, Ernst & Manbeck, P.C.

20080091050 - Process for producing phosphonitrilic acid ester: <Solution> When phosphonitrile dichloride is reacted with a metal arylolate and/or a metal alcoholate in the presence of a reaction solvent, a metal arylolate and/or a metal alcoholate composed of at least two different metals having different ionization energies is used and also a specific compound is used as a... Agent: Staas & Halsey LLP

20080091051 - Method for preparing bisphenol a: The present invention discloses a method for preparing bisphenol A, comprising the following steps: transferring phenol and acetone into a reaction zone charged with condensation catalyst, obtaining a stream containing bisphenol A after reaction; transferring the obtained stream containing bisphenol A into a rectification zone, obtaining a product fraction primarily... Agent: Ladas & Parry LLP

20080091052 - Manufacturing method of hexafluoropropylene oxide with high yield: The present invention relates to a method for preparing hexafluoropropylene oxide with high yield, and particularly to a method for preparing hexafluoropropylene oxide comprising the step of performing a two-phase interfacial reaction between an organic phase containing hexafluoropropylene and an aqueous phase containing a hypochlorite oxidant in the presence of... Agent: Frommer Lawrence & Haug

20080086018 - Process for producing phenol and methyl ethyl ketone: A process for producing phenol and methyl ethyl ketone comprises contacting benzene with a C4 alkylating agent under alkylation conditions with catalyst comprising zeolite beta or a molecular sieve having an X-ray diffraction pattern including d-spacing maxima at 12.4±0.25, 6.9±0.15, 3.57±0.07 and 3.42±0.07 Angstrom to produce an alkylation effluent comprising... Agent: Exxonmobil Chemical Company

20080086019 - Method for treating fluorinated alkyl ether: To provide a method for producing a high purity fluorinated alkyl ether having a very low content of an impurity having an unsaturated bond at the industrial scale. A method for treating a fluorinated alkyl ether, which comprises bringing a reaction crude liquid containing a fluorinated alkyl ether obtained by... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080081929 - Method for preparing thiomethylphenols: The present invention relates to a process for preparing thiomethylphenol derivatives, and particularly to a simple process of preparing thiophenol derivatives by performing a reaction of a phenol derivative, a mercaptan derivative and paraformaldehyde in a solvent in the presence of a given amount of heterocyclic amine base and acids,... Agent: Fleit Kain Gibbons Gutman Bongini & Bianco

20080081930 - Sulphonylated diphenylethylenediamines, method for their preparation and use in transfer hydrogenation catalysis: A diamine of formula (I) is described, in which A is hydrogen or a saturated or unsaturated C1-C20 alkyl group or an aryl group; B is a substituted or unsubstituted C1-C20 alkyl, cycloalkyl, alkaryl, alkaryl or aryl group or an alkylamino group and at least one of X1, X2, Y1,... Agent: Conley Rose, P.C.

20080081931 - Process for the preparation of glycolaldehyde: Disclosed are processes for the preparation of glycolaldehyde in which formaldehyde is contacted with carbon monoxide and hydrogen in the presence of a rhodium catalyst and a solvent containing at least one N,N-dihexylbutyramide. The glycolaldehyde product is recovered by extraction with water. The process provides high selectivity to glycolaldehyde and... Agent: Eric D. Middlemas Eastman Chemical Company

20080081932 - Method for preparing high-content food-grade zeaxanthin: This invention has disclosed a method for preparation of food-grade zeaxanthin through chemical isomerizaton reaction from lutein. The technical issues to be solved in this invention are quite low product yield obtained with existing methods, need of purification treatment process, and inadaptability to industrialized production. The technical schemes of this... Agent: GlobalIPServices

20080081933 - Glycol separation and purification: A process and an apparatus for the separation of a homogeneous catalyst solution from crude monoethylene glycol (MEG) and for purifying MEG is disclosed. The process comprises separating catalyst solution by evaporating crude MEG and feeding crude MEG to a rectification section, a stripping section, and thence to a pasteurisation... Agent: Shell Oil Company