Matches 101 - 150 out of 305 < 1 2 3 4 5 6 7 >
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5608117 Process for producing saturated polyether glycols and alcohols derived from 3, 4-epoxy-1-butene  
Disclosed are novel saturated polyether compounds comprised of n units of residue (1) and m units of residue (2), wherein (i) residues (1) and (2) have the structures: ##STR1## (ii) the total value...
5600020 Process for the preparation of alkoxylates using ester compounds as catalyst  
According to the invention, the alkoxylation of compounds containing active hydrogen atoms is carried out in the presence of specific alkaline earth metal salts of alkylor alkenylsuccinic...
5576281 Biogradable low foaming surfactants as a rinse aid for autodish applications  
The present invention relates to a poly(oxyalkylated) alcohol composition represented by the formula: R 1 O[CH 2 CH(CH 3 )O] x (CH 2 CH 2 O) y [CH 2 CH(OH)R 2 ] wherein R 1 is a linear,...
5563221 Process for making ethylene oxide-capped polyols from double metal cyanide-catalyzed polyols  
A process for making high-primary, low-unsaturation polyols is disclosed. A polyol made by double metal cyanide (DMC) catalysis is blended with a polyol made by basic catalysis, and the polyol...
5545712 Preparation process for polyoxyalkylene polyol  
An alkali metal compound such as metallic cesium, cesium hydroxide, cesium hydroxide monohydrate, metallic rubidium, rubidium hydroxide or rubidium hydroxide monohydrate is used as a catalyst,...
5536884 Mixture of at least two alkoxylated alcohols and use thereof as a foam-suppressing surfactant additament in cleaning compositions for mechanized cleaning processes  
A mixture suitable for use as a foam-suppressing surfactant additament in cleaning compositions for mechanized cleaning processes comprises at least two mixtures of alkoxylated alcohols I ...
5494595 Oil soluble polyethers  
This invention discloses an oil soluble polyether composition, comprising: ##STR1## wherein R is either a C 14 -20 alkyl or C 9 -12 alkylphenyl; A is ##STR2## where x is from 7 to 13; i, j, k, and...
5476971 Glycerine ditertiary butyl ether preparation  
Glycerine di-t-butyl ether is prepared by the liquid phase reaction of glycerine and the reaction being carried out with separate liquid phases comprised of isobutylene and glycerine.
5468840 Preparation process of polyoxyalkylene polyols and process of alkylene oxide recovery  
An alkali metal compound such as metallic cesium, cesium hydroxide, cesium hydroxide monohydrate, metallic rubidium, rubidium hydroxide or rubidium hydroxide monohydrate is used as a catalyst,...
5444170 Hydrogenation of acetylenic compounds  
This invention pertains to an improved process for the hydrogenation of acetylenic compounds prepared by the condensation of ketones or aldehydes with acetylene wherein the acetylenic compounds are...
5426174 Hydroxy-functionalized polyoxyalkylene ether compositions derived from mixtures of C.sub.4 epoxides  
Hydroxy-functionalized polyoxybutylene ether compositions having improved thermal and oxidative stability are prepared by the polymerization of a mixture of C 4 epoxides in the presence of an...
5386045 Process for alkoxylation of esters and products produced therefrom  
A process for producing alkoxylated mono-, di-, and tri-esters in which a starting material ester and an alkylene oxide are reacted in the presence of selected calcium based catalysts.
5374750 Method and manufacturing of fatty acid esters of polyoxyalkylene alkyl ethers  
In a method of manufacturing fatty acid esters of polyoxyalkylene alkyl ethers, fatty acid alkyl ester is reacted with alkylene oxide in the presence of a catalyst consisting essentially of a...
5364973 Productive process for making conventional and low-unsaturation polyether polyols  
A productive process for making conventional and low-unsaturation polyether polyols is disclosed. The process involves continuous removal of allyl alcohol and lower allyl alcohol propoxylates from...
5362832 Fatty alcohol alkoxylate  
A compound of the formula ##STR1## where R, which may be the same or different, is selected from at least one of hydrogen, methyl, ethyl and phenyl, at least one R on each --OCHR--CHR-- unit being...
5362835 Production of compounds  
A process for the production of a material having an increased molecular weight relative to the diepoxide starting material the material being either a hydroxy-terminated or an epoxy-terminated...
5357038 Process and composition for providing double metal cyanide catalyzed polyols having enhanced reactivity  
The present invention relates to a process for improving the polyurethane-forming reactivity of a propylene oxide-based ethylene oxide-free polyol produced using a double metal cyanide complex...
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...
5321167 Method of manufacturing nonionic surfactants low in alkylene oxides and low in 1,4-dioxane, using alkali metal alkoxides as catalysts  
An alkoxidation production low in alkylene oxide and 1,4-dioxane content is prepared by reacting an alkylphenol or fatty alcohol with an alkylene oxide in the presence of an alkali fatty alkoxide...
5294365 Hydroxypolyethers as low-foam surfactants  
Hydroxypolyethers as low foam surfactants comprising a compound of the general formula ##STR1## wherein R 1 , R 2 are the same or different and are a linear or branched C 1 - to C 18 -alkyl...
5292910 Use of hydrophobized hydrotalcites as catalysts for ethoxylation or propoxylation  
A process for the catalyzed ethoxylation or propoxylation of compounds selected from the group consisting of organic compounds containing active H atoms, esters of fatty acids containing 2 to 22...
5290912 Process for producing a polyoxyalkylene compound  
The present invention has an object of producing a polyoxyalkylene compound by ring-opening polymerization of an alkylene oxide to a certain specific highly hydrophobic initiator. The present...
5276204 Fatty alcohol mixtures and ethoxylates thereof showing improved low-temperature behavior  
Fatty alcohol mixtures R mix --OH of natural and, in particular, purely vegetable origin and ethoxylates thereof showing improved low-temperature behavior and corresponding to the general formula...
5262576 Method for the alkylation of organic aromatic compounds  
A method and apparatus for conducting a catalytic distillation process is provided which allows for maintaining a liquid level in selected portions of the catalyst bed. Three particular processes...
5250743 Method of intercoversion of enantiomers of acyclic 1,2-dihydroxy-3-alkenes  
In accordance with the present invention, a method for the interconvertion of the enantiomers of acyclic 1,2-dihydroxy-3-alkenes or for converting either enantiomer of acylic...
5235114 Process for purifying and end-capping polyols made using double metal cyanide catalysts  
A process for producing an ethylene oxide-capped polyol which is essentially free of catalyst residues, wherein the polyol is produced using a double metal cyanide catalyst, which comprises after...
5220046 Process for alkoxylation of esters and products produced therefrom  
A process for producing alkoxylated methyl esters to produce a narrow homolog distribution of the alkoxylate species in which a staring material methyl ester and an alkylene oxide are reacted in...
5220077 Alkoxylation process  
A process for preparing an alkoxylation catalyst in which a catalyst is formed by admixing an alkoxylated alcohol with a calcium or strontium containing compound which is dispersible in the...
5214217 Method for one-step synthesis of methyl t-butyl ether  
A method is disclosed wherein t-butanol is reacted with methanol in a reaction zone in the presence of a catalyst to provide methyl-tert-butyl ether and the improvement of accomplishing the...
5210325 Alkoxylation process catalyzed by supported rare earth elements  
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal...
5210322 Processes for the preparation of ethers  
A process for preparing ethers which comprises contacting a carboxylated ether with a metal oxide catalyst under conditions effective to produce the ether.
5210323 Process for the preparation of alkoxylates having a narrow distribution of homologs using antimony pentahalide complexes as the catalyst  
In the process described for the preparation of alkoxylates having a narrow distribution of homologs by reaction of compounds containing at least one hydroxyl group with alkylene oxide, complex...
5169989 Foam slabstock polyether polyols with improved scorch characteristics  
An improved process for preparing a polyether polyol of reduced scorching properties comprising buffering of the alkaline polyether polyol before heating to remove water, and the use of said...
5164497 Decarboxylation processes using mixed metal oxide catalysts  
A decarboxylation process which comprises contacting a carboxylated compound with a metal oxide catalyst under conditions effective to decarboxylate the carboxylated compound.
5164124 Alkaline earth metal salts of vicinally hydroxy, alkoxy-substituted C.sub.16 -C.sub.22 fatty acids, a process for their production and their use as alkoxylation catalysts  
Alkaline earth salts of vicinally hydroxy, alkoxy-substituted C 16 -C 22 fatty acids corresponding to the following general formula ##STR1## in which R represents linear or branched alkyl or...
5162589 Alkoxylation process catalyzed by sodium- or potassium barium phosphate  
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal...
5162475 Polymerizable surfactant  
Describes alpha-beta ethylenically unsaturated poly(alkyleneoxy) compounds that display surfactant activity and that polymerize when used in the emulsion polymerization of ethylenically unsaturated...
5136106 Heterogeneous alkoxylation using anion-bound metal oxides  
Active-hydrogen compounds, for example, primary and secondary alcohols or diols, are alkoxylated, for example, ethoxylated, using solid anion-bound metal oxide catalysts, such as, zirconium...
5130413 Process for producing unsaturated group-terminated high-molecular weight polyalkylene oxide  
A process for producing an unsaturated group-terminated high-molecular weight polyalkylene oxide by adding an alkali metal and/or an alkali metal compound capable of producing an alkali metal...
5126493 Alkoxylation of active hydrogen compounds  
Alkoxylates of active hydrogen compounds having a peaked molecular weight distribution are prepared by reacting the active hydrogen compound with an alkylene oxide of from 2 to 4 carbon atoms using...
5120697 Alkoxylation using modified calcium-containing catalysts  
This invention relates to modified calcium-containng catalysts and the use thereof in the preparation of alkoxylation products, i.e., condensation reaction products of alkylene oxides and organic...
5118870 Alkoxylation process catalyzed by rare earth and phosphorus-containing xerogels  
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal...
5118650 Alkoxylation using modified Group IIIB metal-containing bimetallic or polymetallic catalysts  
This invention relates to modified Group IIIB metal-containing bimetallic or polymetallic catalysts and the use thereof in the preparation of alkoxylation products, i.e., condensation reaction...
5118448 Process for producing esterified alkoxylated polyols  
Esterified alkoxylated polyols useful as fat mimetics may be prepared by alkoxylating a benzylated polyol with an epoxide under basic conditions, reacting the benzyl ether group with hydrogen to...
5114900 Alkoxylation using modified calcium-containing bimetallic or polymetallic catalysts  
This invention relates to modified calcium-containing bimetallic or polymetallic catalysts and the use thereof in the preparation of alkoxylation products, i.e., condensation reaction products of...
5114619 Production of polyether polyols with reduced unsaturation  
This invention is a process for the preparation of a polyol having an equivalent weight of 200 to 5000 by the reaction of a monoepoxy compound with an initiator containing an active hydrogen atom...
5112788 Alkoxylation using modified group IIA metal-containing bimetallic or polymetallic catalysts  
This invention relates to modified Group IIA metal-containing (other than calcium-containing) bimetallic or polymetallic catalysts and the use thereof in the preparation of alkoxylation products,...
5112789 Alkoxylation catalysis  
This invention relates to modified bimetallic or polymetallic (other than Groups IA, IIA and IIB metals) catalysts and the use thereof in the preparation of alkoxylation products, i.e.,...
5112519 Process for production of biodegradable surfactants and compositions thereof  
This invention relates to processes for making biodegradable surfactant. The process comprises several steps including an optional step. The first step is directed to reacting olefins with ZSM-23...
5110992 Process for the preparation of glycol ethers  
A process for the preparation of a glycol ether by reacting an olefin oxide with an excess of an alcohol over a catalyst; characterized in that the catalyst comprises a material which has been...
Matches 101 - 150 out of 305 < 1 2 3 4 5 6 7 >