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| Number | Title | Issue Date |
| 7732646 | Crosslinking agent based on linear hydroxypolyallyl ether An allyl type crosslinking agent for use in production of a super water-absorbent polymer comprising a polymerizable compound having a carbon-carbon double bond or a salt thereof. The crosslinking agent comprises a linear hydroxypolyallyl ether having at least one h... | 06/08/2010 |
| 7553994 | Method for producing ditrimethylolpropane In the method of producing ditrimethylolpropane of the present invention, the distillation still residue obtained in the production of trimethylolpropane is subjected to crystallizing treatment while strictly regulating the amount of organic solvent to be used, the ... | 06/30/2009 |
| 7388114 | Perfluoropolyether derivative A novel perfluoropolyether derivative which is less likely to undergo decomposition, which is free from a problem of deterioration during its use, and which is useful as a lubricating oil or a coating agent, is provided. A compound represented by the followin... | 06/17/2008 |
| 7365132 | Monomers containing polyoxyalkylenes and polymer supports therefrom A polymer support is provided which comprises protected hydroxypolyC2-4 alkyleneoxy chains attached to a cross-linked polymer wherein the protected hydroxypolyC2-4 alkyleneoxy chain contains from 2 to 10 C2-4 alkyleneoxy groups and w... | 04/29/2008 |
| 7335801 | Polyglycerols and production thereof A polyglycerol composition contains diglycerol, triglycerol, and tetraglycerol each in a content of 5 percent by weight or more, has a total content of diglycerol, triglycerol, and tetraglycerol of 75 percent by weight or more, has a total content of higher polyglyc... | 02/26/2008 |
| 7235341 | Positive resist composition A positive resist composition comprising: (A) a compound capable of generating an acid on exposure to active light rays or a radiation; (B) a resin which is insoluble or sparingly soluble in an alkali and becomes alkali-soluble by an action of an acid; and (D) an ac... | 06/26/2007 |
| 7230140 | Perfluoropolyether derivative A novel perfluoropolyether derivative which is less likely to undergo decomposition, which is free from a problem of deterioration during its use, and which is useful as a lubricating oil or a coating agent, is provided. A compound represented by the followin... | 06/12/2007 |
| 7098367 | Process for the preparation of alkylene glycols Disclosed is a process for the preparation of alkylene glycols from the corresponding alkylene oxide, such as ethylene glycol from ethylene oxide, in the presence of water, a catalyst and, optionally, carbon dioxide. The catalyst contains amines which are weak bases... | 08/29/2006 |
| 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 process which is carried out in a vertical, highly cylindrical reactor ... | 04/04/2006 |
| 7005552 | Single reactor synthesis of KOH-capped polyols based on DMC-synthesized intermediates The present invention relates to processes for preparing ethylene oxide (EO)-capped polyols in which removal of catalyst residues or salts formed by the neutralization of the basic catalyst is not required prior to discharging the polyol from the reactor because neu... | 02/28/2006 |
| 6927310 | Tripropylene glycol production A method for forming multiple tripropylene glycol products of acrylate grade comprising forming a composition of dipropylene glycol, tripropylene glycol, tetrapropylene glycol and heavier, and at least one aldehyde, separating from said composition tripropylene glyc... | 08/09/2005 |
| 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 polyether polyols. The aluminum phosphonate catalyst preferably has a general... | 07/19/2005 |
| 6713599 | Formation of polymer polyols with a narrow polydispersity using double metal cyanide (DMC) catalysts A method of forming a polyol includes the steps of reacting an initiator with an alkylene oxide, and optionally carbon dioxide, in the presence of a double metal cyanide catalyst and a sterically hindered chain transfer agent capable of protonating the growing polyo... | 03/30/2004 |
| 6693222 | Process for splitting water-soluble ethers A process for production of 1,3-propanediol including the steps: (a) hydrating acrolein in the presence of an acid hydration catalyst; (b) catalytically hydrogenating the reaction mixture of step (a), which reaction mixture comprises 3-hydroxypropionaldeh... | 02/17/2004 |
| 6692616 | Method for purifying trimethylolpropane, which is produced by hydrogenation, by means of continuous distillation A process is disclosed for the purification, by distillation, of trimethylolpropane originating from the hydrogenation of 2,2-dimethylolbutanal, said process including the following steps: (a) reaction of n-butyraldehyde with formaldehyde in the presence o... | 02/17/2004 |
| 6657089 | Palladium catalyst and process for producing ether This invention relates to a palladium catalyst comprising a mesoporous aluminosilicate which has been treated with ammonia or a salt thereof, and palladium supported on said mesoporous aluminosilicate; and also to a process for producing an ether, which c... | 12/02/2003 |
| 6649690 | Method for preparing polymers of glycerol with a saponite catalyst The present invention generally relates to a process polymerizing a feedstock which comprises glycerol or derivatives thereof, said process comprising heating said feedstock, in the presence of at least one synthetic magnesium saponite clay catalyst in th... | 11/18/2003 |
| 6620977 | Process for producing butanetriol derivative A process for preparing a butanetriol derivative of the formula (1) useful as intermediates of medicines ##STR1## wherein R1 is the same defined below, which comprises reacting a compound of the formula (3) ##STR2## wherein R1 a... | 09/16/2003 |
| 6608230 | Single-stage method for producing -hydroxy ethers by oxidizing C=C unsaturated compounds with hydroperoxides A single-stage method for producing -hydroxy ethers by oxidizing olefinic substrates with organic hydroperoxides and opening the resultant oxirane ring by means of monovalent or polyvalent alcohols wherein a molybdenum compound in combination with ... | 08/19/2003 |
| 6504063 | Process for production of monoalkyl ethers A process for producing a monoalkyl ether which comprises a first step of contacting the following components (A) and (B):(A): an aqueous liquid phase containing: (a1) a C3-6 polyol having 3 or 4 hydroxyl groups, a palladium compound... | 01/07/2003 |
| 6459003 | Ether compounds The present invention relates to novel ether compounds, compositions comprising ether compounds, and methods useful for treating and preventing cardiovascular diseases, dyslipidemias, dysproteinemias, and glucose metabolism disorders comprising administer... | 10/01/2002 |
| 6437196 | Process for producing glyceryl ether A process for producing a glyceryl ether which contains a markedly small amount of organohalogen compounds and therefore can be used even for cosmetics and body detergents. The process comprises reacting an alcohol with an -epihalohydrin in the pre... | 08/20/2002 |
| 6410802 | Methods for synthesizing ether compounds and intermediates therefor The present invention relates to novel ether compounds, compositions comprising ether compounds, and methods useful for treating and preventing cardiovascular diseases, dyslipidemias, dysproteinemias, and glucose metabolism disorders comprising administer... | 06/25/2002 |
| 6403541 | Oil filter clogging preventing agent and oil filter clogging preventing method, and engine oil compositions comprising said oil filter clogging preventing agent Disclosed are a composition for preventing clogging of oil filters for various internal combustion engines, the composition comprising at least one hydroxyl-containing component selected from the group consisting of: compounds represented by the formula (1) R | 06/11/2002 |
| 6380439 | Single-stage method for producing -hydroxy ethers by oxidizing C=C-unsaturated compounds with hydroperoxides A single-stage method for producing -hydroxy ethers by oxidizing olefinic substrates with organic hydroperoxides and opening the resultant oxirane ring by means of monovalent or polyvalent alcohols wherein a molybdenum compound in combination with ... | 04/30/2002 |
| 6365541 | Alkoxylation catalyst An alkoxylation catalyst is prepared by a) reaction of one mol of a dicarboxylic acid with from 1.5 to 8 mol of an alkoxylated alcohol to form the corresponding dicarboxylic monoester, b) formation of an alkaline earth metal salt of the dicarboxylic monoester ... | 04/02/2002 |
| 6121499 | Process for producing polyhydroxy ethers and unsymmetrical polyhydroxy ethers obtainable with the process A process for producing polyhydroxy ethers having the formula (I) (HO).sub.(w--M) W(OV)m, in which W represents an organic group and OV a structural element containing hydroxyl groups, having the formula (III) ##STR1## A multifunctional al... | 09/19/2000 |
| 6080784 | Protein kinase C modulators N Compositions with protein kinase C-modulatory, anti-inflammatory and other activities are disclosed.... | 06/27/2000 |
| 6013731 | Stabilizer based on high molecular weight polyols having low monol content for polymer polyol production Stabilizer precursors and preformed stabilizers having induced unsaturation, and prepared from low intrinsic unsaturation-containing polyoxyalkylene polyether polyols may be used to form polymer polyols of higher solids content, lower viscosity, and super... | 01/11/2000 |
| 5844115 | Alkoxylation process Active hydrogen containing organic compounds, for example alcohols, thiols, phenols, thiophenols, carboxylic acids, amides and amines, are alkoxylated, for example, ethoxylated, using catalysts comprising a salt of a Group IIa or Group Ia element and an o... | 12/01/1998 |
| 5817889 | Process for the purification of a glycol solution An amount of water is added to a glycol solution to be purified to enable segregation of the resulting mixture into a hydrocarbon phase and a glycol phase. The hydrocarbon phase is separated from the glycol phase and said glycol phase is desalted, e.g. by... | 10/06/1998 |
| 5728796 | Process to react epoxide-containing compounds and aliphatic alcohols A process reaction between: (1) a compound that contains one or more epoxide moieties per molecule, and (2) a compound that contains one or more primary aliphatic hydroxyl groups per molecule; is catalyzed by: (3) a catalyst compound containing one or mor... | 03/17/1998 |
| 5726321 | Process for carrying out gas/liquid reactions under avoidance of a continuous gas phase Process for carrying out gas/liquid reactions at from (-50°) to 300° C. and from 0.1 to 100 bar by carrying out the reaction in the absence of a continuous gas phase, and, as a special case, a process for the batchwise reaction of acetylene in the liqui... | 03/10/1998 |
| 5723696 | Process for the production of polyglycerols Glycerol, glycidol, glycerol carbonate or 2,2-dimethyl-1,3-dioxolane-4-methanol is polymerized into preponderantly linear oligomers at 150° C. to 350° C. in the presence of a catalyst, selected from RbF, CsF and/or KF impregnated on alumina and zir... | 03/03/1998 |
| 5721305 | Polyglycerol production Glycerol, 2,2-dimethyl-1,3-dioxolane-4-methanol (Solketal), glycidol or glycerol carbonate is polymerized into preponderantly linear oligomers at 150° C. to 350° C. in the presence of anionic clay material, preferably hydrotalcite, as a catalyst.... | 02/24/1998 |
| 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% by weight of water, wherein the water is passed in finely ... | 09/30/1997 |
| 5663450 | Macrophage lipid chemoattractant This invention encompasses a substantially homogeneous lipid chemoattractant released from stressed mammalian tissue which is a neutral lipid which is acid labile and stable to base and is stable in boiling water. This lipid recruits macrophages but not n... | 09/02/1997 |
| 5652319 | 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% by weight of water, wherein the water is passed in finely ... | 07/29/1997 |
| 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 monoesters as catalyst. The alkoxylates obtained have a narrow homo... | 02/04/1997 |
| 5510542 | Process and apparatus for producing diglycerin A process for producing diglycerin having a low content of cyclic components by reacting glycerin with epichlorohydrin by a continuous process in which the epichlorohydrin required for the reaction is introduced into at least one flow reactor at several s... | 04/23/1996 |
