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| Number | Title | Issue Date |
| 7329778 | Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts This invention is directed to a process for making a salt of a carboxylic acid. The process comprises contacting a catalyst with an alkaline mixture comprising a primary alcohol. In one embodiment, for example, the catalyst comprises a metal support (preferab... | 02/12/2008 |
| 7126024 | Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts This invention is directed to a process for making a salt of a carboxylic acid. The process comprises contacting a catalyst with an alkaline mixture comprising a primary alcohol. In one embodiment, the catalyst comprises a metal supporting structure (preferably a me... | 10/24/2006 |
| 7019167 | Process for producing alkanedicarboxylic acid A method for manufacturing an alkanedicarboxylic acid by oxidizing cycloalkanol and/or cycloalkanone with an aqueous solution of nitric acid, which comprises using an adiabatic reactor comprising a feed nozzle enabling to feed cycloalkanol and/or cycloalkanone at a ... | 03/28/2006 |
| 6762319 | Hydrocarbon, alcohol and/or ketone oxidation method The present invention relates to the oxidation, by means of oxygen or a gas containing it, of hydrocarbons to the corresponding carboxylic acids, alcohols and/or ketones or of alcohols and/or ketones to the corresponding carboxylic acids. It consists more precisely ... | 07/13/2004 |
| 6646160 | Process for the preparation of carboxylic acid salts from primary alcohols The present invention provides a new and useful improvement in the process to manufacture a carboxylic acid salt, particularly an amino carboxylic acid salt, from a primary alcohol, particularly a primary aminoalcohol. The process of manufacturing amino c... | 11/11/2003 |
| 6239312 | Method for the preparation of salts of carboxylic acids using copper catalyzed dehydrogenation A method for the production of a salt of carboxylic acid by catalytic dehydrogenation effected by reacting the corresponding primary alcohol in aqueous solution with an alkaline hydroxide in the present of a copper catalyst, in which, before the catalytic... | 05/29/2001 |
| 6159894 | Catalyst for dehydrogenation of amino alcohols to amino carboxylic acids or of ethylene glycol (derivatives) to oxycarboxylic acids, method for their production and their use Catalyst for dehydrogenating amino alcohols to aminocarboxylic acids or ethylene glycol (derivatives) to oxycarboxylic acids, said catalyst containing zirconium, copper and possibly an additional metal, whereby the cited metals are precipitated as hydroxi... | 12/12/2000 |
| 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 |
| 5714623 | Process for the preparation of carboxylic acids and esters thereof by oxidative cleavage of unsaturated fatty acids and esters thereof A process for the preparation of carboxylic acids and esters thereof, which involves the steps of (a) mixing an unsaturated fatty acid or corresponding ester with an oxidative substance in the presence of a catalyst selected from the group consisting of o... | 02/03/1998 |
| 5689000 | Process for preparing carboxylic acid salts and catalysts useful in such process A process to manufacture a carboxylic acid salt is disclosed wherein an aqueous solution of a primary alcohol is contacted with a base hydroxide in the presence of an effective amount of a catalyst consisting essentially of an alkali resistant support, fr... | 11/18/1997 |
| 5463114 | Process for the production of ether carboxylic acids and salts thereof Ether carboxylic acids of the formula (I): R--(OCm H2m)n --O--CH2 COOM (I) wherein R is an alkyl group having from 1 to about 22 carbon atoms, an aryl group or an aralkyl group; m is 2 or 3; n is a number from ... | 10/31/1995 |
| 5367112 | Process to prepare amino carboxylic acid salts An improved process is disclosed to prepare an carboxylic acid salt. According to the process, an aqueous solution of an alcohol is contacted with an alkali metal hydroxide in the presence of an effective amount of a copper catalyst that contains from abo... | 11/22/1994 |
| 5338859 | Process for the production of calcium salts of hydantoic acids The present invention provides a process for the production of calcium salts of hydantoic acids and which comprises the steps of reacting a hydantoin with a calcium base material such as calcium hydroxide in an aqueous medium at a sufficient temperature a... | 08/16/1994 |
| 5292936 | Process to prepare amino carboxylic acid salts An improved process is disclosed to prepare an amino carboxylic acid salt. According to the process, an aqueous solution of an amino alcohol is contacted with an alkali metal hydroxide in the presence of an effective amount of a Raney copper catalyst that... | 03/08/1994 |
| 5220055 | Process for producing aminocarboxylic acid salts There is provided a novel process for producing aminocarboxylic acid salts useful as starting materials of agricultural chemicals and medicines, chelating agents, food additives, and so on. This process is characterized in that when producing an aminocarb... | 06/15/1993 |
| 5220054 | Process for producing aminocarboxylic acid salt The present invention provides a novel process for producing an aminocarboxylic acid salt which is useful as a material for agricultural chemicals and drugs, a chelating agent, a food additive, etc. The process produces an aminocarboxylic acid salt from a... | 06/15/1993 |
| 4885387 | Production of high yields of glycolic and oxalic acids from polysaccharide-containing materials High yields of glycolic and oxalic acids, as well as good yields of lactic, formic, and acetic acids are produced from polysaccharide-containing materials by reacting the materials in a concentrated alkaline solution at elevated temperatures.... | 12/05/1989 |
| 4782183 | Method for manufacture of amino-carboxylic acid salts A method for the manufacture of an aminocarboxylic acid salt which comprises subjecting to dehydrogenation an amino alcohol represented by the general formula (I): ##STR1## wherein R1 and R2 denote hydrogen, --CH2 CH | 11/01/1988 |
| 4709090 | Method of production of oxydicarboxylic acid salts A method for the manufacture of an oxydicarboxylic acid salt which comprises subjecting to dehydrogenation an polyethylene glycol represented by the general formula I: wherein n is 2 to 14, in the presence of the hydroxide of at least one metal selected f... | 11/24/1987 |
| 4652673 | Process for producing methacrylic acid A process for producing methacrylic acid by vapor phase oxidation of methacrolein with molecular oxygen or molecular oxygen-containing gas in the presence of isobutylene and/or tertiary butanol and in the presence of a catalyst having a heteropolyacid str... | 03/24/1987 |
| 4546203 | Facile synthesis of ଲ-hydroxy-ଲ-methylglutaric acid ଲ-Hydroxy-ଲ-methylglutaric acid is prepared by treating 3-methyl-1,3,5-pentanetriol in aqueous media with a permanganate salt.... | 10/08/1985 |
| 4251451 | Process for producing a mixture of branched and linear carboxylic acid salts An improved process for reacting a mixture of branched and linear alcohols with a caustic, optionally in the presence of a catalyst, to produce a reaction mixture containing carboxylic acid salts, and to liberate hydrogen. The improvement comprises introd... | 02/17/1981 |
| 4018805 | Method for preparing fatty acids from their corresponding soaps Fatty acids are made from corresponding carboxylate soaps by a method which comprises dissolving the soaps in at least one fatty acid in a melted state in the absence of oxygen, contacting the liquid solution of soap in fatty acid with an aqueous solution... | 04/19/1977 |
| 3957838 | Process for production of fatty acid salt and ester thereof by alkaline fusion oxidation reaction Fatty acid salts and esters thereof are produced by an alkaline fusion reaction of primary alcohols in the presence of a catalytic amount of zinc or a compound of zinc.... | 05/18/1976 |
