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7553921 Polyether polyol composition and use thereof  
A polyether polyol composition, the reactivity of which with a polyisocyanate can be controlled, to thereby obtain an isocyanate group-terminated prepolymer having excellent storage stability. A...
7226988 Method of forming polyetherols in the presence of carboxy-modified aluminum-based catalysts  
A polyether polyol is formed by a method utilizing a carboxy-modified aluminum-based catalyst. The method includes providing an alkylene oxide, providing an initiator molecule having at least one...
7132574 Preparation of perfluoropolyethers having at least one —CH2OH or —CH(CF3)OH end group  
A process for preparing perfluoropolyethers having at least one —CH 2 OH or —CH(CF 3 )OH end group by reaction of the corresponding pefluoropolyethers having at least one carboxylic —COOH or...
7022884 Preparation of polyetherpolyols in the presence of a multimetal cyanide complex catalyst  
Polyetherpolyols are prepared by reacting diols or polyols with ethylene oxide, propylene oxide, butylene oxide or a mixture thereof in the presence of a multimetal cyanide complex catalyst by a...
7015364 Process for preparing polyether polyols  
A process for preparing polyether polyols includes a precipitation step, a recrystallization step, and a reaction step. In the precipitation step, a multimetal cyanide compound is precipitated by...
6919486 Polyetherols produced using aluminium phosphonate catalysts  
A method for the production of polyetherols using aluminum phosphonate catalysts is disclosed. Reaction products of the process include various polyetherols including very low unsaturation...
6878661 Bimetallic-cyanide catalysts used for preparing polyether polyols  
The invention relates to novel double metal cyanide (DMC) catalysts for the preparation of polyether polyols by polyaddition of alkylene oxides to starter compounds containing active hydrogen...
6858761 Process for preserving resin catalyst for addition reaction of alkylene oxide and utilization of this process  
The present invention provides a process and its utilization in a process comprising the step of carrying out an addition reaction of an alkylene oxide to an addition-receiving substance in the...
6812367 Polyethylene glycol and process for producing the same  
Polyethylene glycol for use in fields with application to a living body wherein the sum of the contents of ethylene glycol and diethylene glycol in the polyethylene glycol is less than or equal to...
6806393 Multimetal cyanide compounds, their preparation and their use  
In multimetal cyanide complexes, more than 30% by weight of the primary particles have a platelet-like habit, i.e. the length and width of the primary particles is at least three times the...
RE38558 Polyoxypropylene/polyoxyethylene copolymers with improved biological activity  
The present invention comprises novel preparations of polyoxypropylene/polyoxyethylene copolymers which retain the therapeutic activity of the commercial preparations, but are substantially free...
6740686 Process for the manufacture of polyurethane foam, amine polyesterpolyol used in this process and foam obtained  
The invention concerns a method for making a polyurethane foam by reacting at least a polyester polyol with at least a polyisocyanate in the presence of a foaming agent and a catalytic agent, such...
6717019 Glycidyl ether-capped acetylenic diol ethoxylate surfactants  
The present invention pertains to glycidyl ether-capped acetylenic diol ethoxylates having a structure according to the formula: wherein R 1 is hydrogen or a linear, branched, or cyclic alkyl...
6664428 Method of producing polyetherpolyols  
A process for the preparation of polyetherpolyols by reacting diols or polyols with ethylene oxide, propylene oxide, butylene oxide or a mixture thereof in the presence of a multimetal cyanide...
6646145 Processes for preparing alkoxylated nonionic surfactants using hydrotalcite catalysts  
Processes for preparing alkoxylated nonionic surfactants are disclosed, wherein a compound having at least one active hydrogen atom, a carboxylic acid ester or mixtures thereof are reacted with an...
6540942 Nonaqueous compositions and additives therefor  
Nonaqueous compositions comprising at least one product of the reaction between A) a linking agent of formula I R 4 (Y) 3 (I) Wherein each Y group is a halogen atom or one Y group is a halogen...
6531566 Polyoxyalkylenepolyols and process for producing ring-opened polymer  
A polyoxyalkylene polyol or monool (I) of the general formula (1) below, in which not less than 40% of the terminally located hydroxyl-containing groups, namely —AO—H groups, are primary...
6515036 Method of decomposing a polyurethane  
A method of recovering a decomposition product from a polyurethane, the method comprising the steps of thermally decomposing a polyurethane into a liquid containing a polyol and a urea compound...
6486354 Solid phase supports  
Embodiments of the present invention generally relate to carrying out organic chemistry on solid supports comprising derivatised functionalities, methods for synthesizing said supports, methods for...
6465605 Branched polymeric surfactant reaction products, methods for their preparation, and uses therefor  
Polymeric compounds useful as low foaming surfactants and defoaming and stabilizing agents for aqueous-and nonaqueous-based compositions, and to processes for the preparation of the polymeric...
6403842 Processes for producing poly(alkylene ether) glycol  
Disclosed are a process for producing a poly(alkylene ether) glycol which comprises polymerizing a cyclic ether in the presence of at least a catalyst and a carboxylic acid anhydride, wherein the...
6359101 Preparing polyether polyols with DMC catalysts  
A process for making polyether polyols employing a double metal cyanide (DMC) catalyst with specific low molecular weight polyether polyols as starters in combination with specific reaction...
6350920 Method for preparing polyether polyols  
Polyether polyols can be prepared by reacting polyols with epoxides in the presence of basic catalysts, by treating the polyether polyols containing the basic catalysts with OH-functional solid...
6323375 Crystalline double metal cyanide catalysts for producing polyether polyols  
The present invention relates to highly active, substantially crystalline double metal cyanide (DMC) catalysts, a process for the preparation of these double metal cyanide catalysts, a process for...
6313060 Catalyst for ring-opening polymerization of alkylene oxide, method for preparation thereof and use thereof  
A resilient polyurethane foam produced by using a polyether polyol produced by reacting alkylene oxides with a polyhydroxy compound having at least 2 hydroxyl groups as an initiator in the presence...
6303833 Multi-metal cyanide complexes as catalysts and their use in preparing polyetherpolyols  
A crystalline multimetal cyanide complex of the formula (I) M 1 a [M 2 (CN) b L 1 c ] d *e(M 1 f X g )*hL 2 'iH 2 O (I) where M 1 is at least one element from the group consisting of...
6255537 Process for preparing poly(alkylene oxide)  
There is provided a process for preparing a poly(alkylene oxide) by using a polymerization initiator which does not cause any problem on preparing and handling in the preparation of the...
6248889 Process for converting an alcohol to the corresponding fluoride  
A process for preparing a fluoride from its corresponding alcohol comprises the steps of (a) forming a mixture comprising (i) at least one fluorinated, saturated aliphatic or alicyclic sulfonyl...
6191315 Haze free polyether polyol compositions and a method for their preparation  
Most generally, the invention provides a method for making a neutralized polyether polyol, comprising the steps of a) Polymerizing one or more alkylene oxides in the presence of an alkaline...
6028230 Epoxide polymerization process  
The amount of high molecular weight impurity present in a polyether polyol produced by alkoxylation of an active hydrogen-containing initiator using an epoxide such as propylene oxide and a...
5965778 Polyurethane elastomers having improved green strength and demold time, and polyoxyalkylene polyols suitable for their preparation  
Elastomers exhibiting decreased demold times and improved green strength are prepared by reacting a di- or polyisocyanate with a monodisperse polyoxypropylene diol having ultra-low unsaturation,...
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)...
5962748 Process for preparing low unsaturation polyether polyols  
Polyether polyols having reduced terminal unsaturation are prepared in a process comprising a first step comprising reacting propylene oxide with an initiator having at least two hydroxyl groups in...
5942237 Pharmaceutical preparation for topical administration of antigens and/or vaccines to mammals via a mucosal membrane  
A novel type of formulation for the topical administration of antigens and/or vaccines to mammals via mucosal membranes comprising one or more adjuvants/vehicles selected from (a) polyoxyethylene...
5939591 Apparatus for producing alkylene glycols, alkylene glyocols having higher primary hydroxyl content, method of producing glycols having higher primary hydroxyl content, method of producing acrylate esters  
Disclosed is an apparatus and process for producing a tripropylene glycol in which alkylene oxide, water, an acid catalyst and a dipropylene glycol are contacted together under conditions suitable...
5912342 Compounds a containing a solid support  
The invention relates to a compound of the formula (I) wherein wherein Y is the fraction of a solid or soluble support, where Y may include a residue of a functional group having been attached...
5877245 Cross-linked reaction products of alkoxylated alcohols and alkylene glycols  
The reaction product of A) a linking compound of formula I R 1 (X) 3 (I) wherein each X group is a halogen or one X group is a halogen and two X...
5798434 Monomer mixture and method for the preparation thereof  
A monomer mixture having a hydroxyl value ranging from 0 to 134 KOH mg/g, obtainable by polymerizing a mixed raw material of an unsaturated compound selected from the group consisting of fatty...
5780644 Branced polyoxaalkyl macromolecules  
Branched, dendrimeric-type macromolecules composed essentially of a central nucleus and of a series of polyoxaalkyl chains that depart from said nucleus and spread into the surrounding space...
5705667 Use of dendrimeric-type macromolecules as catalysts or coadjuvants in phase transfer catalysis reactions  
The present invention concerns the use of dendrimeric-type branched macromolecules, comprising polyoxaalkylene chains, as catalysts or coadjuvants of phase transfer catalysis reactions.
5672662 Poly(ethylene glycol) and related polymers monosubstituted with propionic or butanoic acids and functional derivatives thereof for biotechnical applications  
Active esters of PEG acids and related polymers are provided that have a single propionic or butanoic acid moiety and no other ester linkages. These polymer acids have a half life in water of from...
5672768 Low-odor, higher molecular weight polyether polyols, a process for producing them, and their use for the production of polymers, cosmetics and pharmaceutical products synthesized from polyether polyols  
Low-odor, higher molecular weight polyether polyols are produced by purifying the polyether polyols at temperatures of 110° to 150° C. and pressures of 10 to 70 hPa with the addition of 5 to 30%...
5641853 Polymerization of cyclic ethers using selected metal compound catalysts  
A process for polymerizing oxepanes, dioxolanes, trioxanes, and tetrahydrofurans to their respective polymers by contacting them with a selected metal compound and an accelerator which is a...
5637673 Polyether-containing double metal cyanide catalysts  
Improved double metal cyanide (DMC) catalysts are disclosed. The catalysts comprise a DMC compound, an organic complexing agent, and from about 5 to about 80 wt. % of a polyether polyol that has...
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...
5596059 Polyether polyols suitable for mflexible polyurethane foam prepared by co-initiation of aqueous solutions of solid polyhydroxyl initiators  
Polyoxyalkylene polyether polyols suitable for preparation of flexible polyurethane foams are prepared by oxyalkylating an aqueous solution of one or more polyhydric, hydroxyl-functional solid...
5585458 Method for preparing hydroxy group end-capped polyether glycols  
A method for preparing polyether glycol is disclosed. An ester end-capped polyalkylene ether and an alcohol are subjected to alcoholysis at a temperature of 35°-150° C. and a pressure of 1-10 atm...
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...
5488180 Complex hydrophobe compounds  
This invention relates to complex hydrophobe compounds and to alkoxylation products, i.e., condensation reaction products of alkylene oxides and complex hydrophobe compounds having at least one...
5371253 Process for producing esterified alkoxylated monoglycerides and diglycerides  
Esterified alkoxylated mono- and diglycerides suitable for use as reduced calorie fat substitutes in food products may be produced by alkoxylating a tertiary alkyl partial ether of glycerin with an...
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