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7615652 Two-stage dehydration of sugars  
The invention includes methods for producing dianhydrosugar alcohol by providing an acid catalyst within a reactor and passing a starting material through the reactor at a first temperature. At...
7456326 VOC reduction in ethanol plants  
Byproduct solids produced in the processing of carbohydrate material to produce ethanol are dried in a recirculating stream of gaseous carbon dioxide into which carbon dioxide produced in that...
7439352 Process for the production of anhydrosugar alcohols  
A process is provided for the preparation of anhydrosugar alcohols. The process involves heating a sugar alcohol or a monoanhydrosugar alcohol starting material in the presence of an acid catalyst,...
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...
7098369 Process for the production of primary alcohols  
A process for producing primary alcohols from secondary alcohols and/or tertiary alcohols and/or ketones, wherein the process comprises reacting a compound selected from a secondary alcohol, a...
6989468 Method for the isomerization of allyl alcohols  
The present invention relates to a process for the isomerization of precursor allyl alcohols of the formula (I) to product allyl alcohols of the formula (II) where R 1 to R 5 are hydrogen or...
6916964 Selective hydrogenation of olefinically unsaturated carbonyl compounds  
The present invention relates to a continuous process for the selective hydrogenation of olefinically unsaturated carbonyl compounds to give unsaturated alcohols in particular of citral to give a...
6867323 Cross-coupling reaction of organosilicon nucleophiles  
Improved methods for generating a —C—C— bond by cross-coupling of a transferable group with an acceptor group. The transferable group is a substituent of an organosilicon nucleophile and the...
6781020 Water soluble bactericide and producing method thereof  
A water soluble bactericide is obtained by ozone-oxidizing glycerin. Specifically, a 0.1 to 20% glycerin aqueous solution and gas phase ozone obtained by ozonizing oxygen through contact between...
6679975 Process for recovering the methanol contained in a liquid hydrocarbon feed  
The present invention aims to isolate the azeotropes formed in a distillation column (B 1 ) by methanol, propane and butane. The azeotropes are then liquefied in heat exchanger (E 2 ) and mixed in...
6566564 Method for isomersing allyl acohols  
Process for the isomerization of precursor allyl alcohols to product allyl alcohols in the presence of tungsten oxo(VI) complexes comprising additional nitrogen-containing ligands at temperatures...
6323383 Synthesis method of chemical industrial raw material and high-octane fuel, and high-octane fuel composition  
A process for the synthesis of chemical industrial feedstock and high-octane fuel, wherein calcium phosphate which is controlled in the molar Ca/P ratio and/or one which contains an activating...
6034141 Isobutanol synthesis catalyst  
The invention relates to a catalyst for conversion of methanol, ethanol alone or in combination with n-propanol to isobutanol and the process for making and using the catalyst. The catalyst is a...
5973214 Method for producing an optically active 2-alkanol  
Both enantiomers of optically active 2-alkanol are produced by transesterification reaction of racemic 2-alkanol and aliphatic acid 2,2,2-trichloroethylester in the presence of enzyme derived from...
5962749 Process for the removal of alkalinity in the manufacture of polyether polyols and the reuse of this alkalinity in the manufacture of polyether polyols  
This invention relates to a process for the purification of polyether polyols. This process enables the removal of residual alkaline metal catalyst from produced polyether polyol. It comprises a)...
5856592 Continuous vapor phase process for direct conversion of methanol to higher alcohols  
A continuous vapor phase processes for direct condensation of methanol and/or dimethyl ether with dilute acetylene feedstream to a mixture containing at least one higher molecular weight alkanol,...
5811602 Isobutanol synthesis method  
The invention relates to a method for conversion of methanol, ethanol alone or in combination with n-propanol to the corresponding isoalcohols by contacting a catalyst of a noble metal supported on...
5772898 Hydrocarbon conversion process using novel metallo manganese oxides  
This invention relates to hydrocarbon conversion processes using a novel crystalline metallo manganese oxides that have the hollandite structure. The composition is represented by the formula A y...
5741955 Process for reductive hydrolysis of nitriles  
This invention concerns processes for the reductive hydrolysis of nitriles to alcohols utilizing as a catalyst a transition metal complex of the formula MHZ(CO)L n (PR 3 ) 2 wherein: M is a...
5493064 Noble metal large pore zeolyte catalyst for methanol-ethanol coupling  
The present invention discloses an alcohol coupling process in which a vaporized mixture of starting alcohols, preferably methanol and ethanol, is reacted with syngas in the presence of a large...
5395993 Preparation of alkenols  
A process for preparing alkenols of the formula I R 1 --CHCH(CH 2 ) n OH I where R 1 is hydrogen or a hydrocarbon radical, and n is an integer from 3 to 15, a) by...
5342903 Process for the preparation of adducts of epoxides and alcohols  
A process for the preparation of adducts by reacting an alcohol with an epoxy compound in the presence of a catalyst, which comprises reacting an alcohol of formula I ##STR1## wherein A is an...
5284982 Method for the cyclooligomerization of 3-hydroxy-1 alkynes  
The invention relates to a method of cyclooligomerization of 3-hydroxy-1-alkynes having 4-20 C atoms, particularly cyclooligomerization of 3-methyl-1-butyne-3-ol to yield...
5183923 Process for preparing primary hydroxyl-containing diols  
The invention concerns a method for the preparation of polyurethane, polyester, polyamide, and polyurea diols which contain essentially all primary hydroxyl groups without capping by ethylene...
5106541 Manganese compound catalyzed oligomerization reactions and products thereof  
Oligomers and addition products obtained from the reaction of a saturated or olefinically unsaturated carboxylic acid, alcohol, ether, or ester with a substituted or unsubstituted acetic anhydride...
4987270 Preparation of 3-arylisobutyl alcohols  
3-Arylisobutanols of the general formula I ##STR1## where R 1 and R 2 are each hydrogen or an alkyl or cyclo-alkyl radical of not more than 8 carbon atoms, preferably alkyl of 1 to 4 carbon...
4954665 Methanol homologation  
Process for production of ethanol at high efficiency, selectivity and conversion rate by the homologation reaction of methanol and carbon monoxide and hydrogen using a catalyst system containing...
4939292 Synthesis of esters from alcohols containing carbon monoxide as an impurity  
Esters are prepared by contacting, under suitable reaction conditions, a feed stream comprising a primary alcohol of 1-4 carbon atoms per molecule (preferably methanol, ethanol) and carbon monoxide...
4935547 Homologation process making higher alcohols  
A liquid phase process for the manufacture of C 2 + alkanols by the reaction of hydrogen with carbon monoxide in the presence of a catalyst containing ruthenium, cobalt, a halide-containing...
4908477 Removal of organic iodine compounds from carbonylation products of methanol methyl acetate and dimethyl ether  
Organic iodine compounds are separated from carbonylation products of methanol, methyl acetate and dimethyl ether and from mixtures of such carbonylation products by a process wherein the iodine...
4888446 Preparation of polyoxyalkylene glycol amines  
The invention concerns a method for the preparation of polyoxyalkylene compounds wherein each compound has one primary amine group and one primary hydroxyl group. The method comprises alkoxylating...
4825013 Preparation of ethanol and higher alcohols from lower carbon number alcohols  
A process for forming an alcohol fraction boiling in the range of motor gasoline that is enriched in higher alcohols, comprises contacting a mixture of hydrogen, carbon monoxide and a lower alkanol...
4825012 Inversion of allylic alcohols  
Allylic 1-hydroxy alcohols are inverted to allylic 3-hydroxy alcohols by: (1) epoxidizing the allyl group of the allylic 1-hydroxy alcohol to the corresponding 2,3-epoxy-1-hydroxy alcohol; (2)...
4792640 Hydrocarbyloxy magnesium halides  
This invention concerns solid organometallic hydrocarbyloxymagnesium halides of the formula ROMgX wherein RO is a hydrocarbyloxy group of 1 to 20 carbon atoms and X is halide, and a two step...
4760171 Process for producing ethanol  
A process for producing ethanol which comprises reacting methanol, carbon monoxide and hydrogen in the presence of a catalyst comprising a cobalt phosphine carbonyl complex having the formula: ...
4727200 Alcohol homologation  
A process for the homologation of an alkanol by reaction with synthesis gas in contact with a system containing rhodium atom, ruthenium atom, iodine atom and a bis(diorganophosphino) alkane to...
4670473 Syn gas conversion  
Conversion of syn gas to methanol and higher alkanols wherein alkanols are added to a syn gas reactor. Lower alkanols are homologated to higher alkanols. Liquid methanol is added as an interstage...
4628113 Alcohol carbonylation process using a bimetallic cobalt catalyst  
A process for the preparation of carboxylic acids, alcohols, aldehydes or the secondary products thereof which comprises reacting an alcohol having from one to about twenty carbon atoms with...
4625068 Rhodium catalyzed hydroformylation of internal olefins  
Internal olefins are rapidly hydroformylated in high selectivity to aldehyde product using homogeneous rhodium catalysts modified with highly sterically hindered tricycloalkyl phosphine ligands...
4625049 Alcohol carbonylation process using a bimetallic nickel catalyst  
A process for the preparation of carboxylic acids, alcohols, aldehydes or the secondary products thereof which comprises reacting an alcohol having from one to about twenty carbon atoms with...
4612403 Hydroformylation of olefinic compounds in the presence of a cobalt catalyst and an organic nitrile promoter  
A process is provided for the hydroformylation of an olefinic compound with carbon monoxide and hydrogen in the presence of cobalt catalyst and a promoter comprised of an organic nitrile. In one...
4608447 Process for the production of alcohols  
Methanol is converted into alcohols containing at least two carbon atoms by reaction with hydrogen and/or carbon monoxide at elevated temperature and superatmospheric pressure in the presence, as...
4595784 Hydrocarbon fuel additives and method for preparing same  
A compound having the general formula R x COH[COR] y , wherein R is a lower alkyl hydrocarbon radical, y is 0 or 1, and x is 2 when y is 1 and 3 when y is 0, is prepared by admixing carbon...
4594463 Synthesis of aldehydes from alcohols  
A catalyst has been found for the low pressure hydroformylation of alcohols to produce aldehydes. This catalyst consists of a rhodium containing compound, an iodide containing compound, and a...
4594439 Method for asymmetric epoxidation  
Methods and compositions are provided for asymmetrically donating an oxygen atom to a pair of electrons to produce an asymmetric product. Specifically, a metal alkoxide is used as a catalyst, where...
4578375 Lanthanum hydroxide and a rhodium or ruthenium moiety catalyst for homologation of alcohols  
This invention provides a novel heterogeneous catalyst system adapted for alkanol homologation, which comprises lanthanum hydroxide and a rhodium or ruthenium moiety, e.g. RhCl 3 or RuCl 3 .
4567305 Process for continuous hydroformylation of allyl alcohol  
Allyl alcohol is hydroformylated with a gaseous mixture of hydrogen and carbon monoxide, in an aromatic hydrocarbon, in the presence of a rhodium complex and a trisubstituted phosphine, to form...
4556744 Process for the production of ethanol and/or acetaldehyde by the metal catalysed liquid phase reaction of methanol, carbon monoxide and hydrogen in the presence of a solvent  
A recycle solvent for use in a metal catalysed process for the production of ethanol and/or acetaldehyde by the liquid phase reaction of methanol, carbon monoxide and hydrogen is provided. The...
4552986 Process for preparation of ethanol  
Ethanol is prepared with high selectivity from methanol, carbon monoxide and hydrogen by using cobalt phosphate as main catalyst in combination with a platinum group element as co-catalyst or...
4540836 Hemologation of alkanols  
This invention provides a process for converting alkanols into higher alkanols, e.g. methanol into ethanol, by contacting a basic solution comprising said alkanol in the absence of added hydrogen,...
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