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| Number | Title | Issue Date |
| 7435857 | Method for producing pure α-alkoxy-Ω-hydroxy-polyalkylene glycols The invention relates to a method for producing pure alpha-alkoxy-Ω-hydroxy-polyalkylene glycols, creating small impurities of the product on high-molecular a-Ω-di-hydroxy-polyalkylene glycols. The method is based on the use of high-boiling initiator alcohols of t... | 10/14/2008 |
| 7348300 | Acetylenic diol ethylene oxide/propylene oxide adducts and processes for their manufacture Disclosed herein are process solutions, which may be aqueous-based, non-aqueous-based, and combinations thereof, that contain at least one alkoxylated acetylenic diol surfactant. In one aspect, the process solution comprises water and an alkoxylated acetylenic diol ... | 03/25/2008 |
| 7312363 | Method for activating double metallocyanide-compounds The present invention relates to a process for reacting epoxides with an initiator compound in the presence of a double metal cyanide compound as a catalyst, said process having a shortened induction period, and the double metal cyanide compound being activated by a... | 12/25/2007 |
| 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 |
| 7223803 | Polyethylene (glycol) derivatives with proximal reactive groups An activated, substantially water soluble poly(ethylene glycol) is provided having of a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a hydrolytically stable linkage, wherein the terminus is branched and h... | 05/29/2007 |
| 7186787 | Linear perfluoropolyethers having an improved thermooxidative stability Linear perfluoropolyethers of formula: T-O(CF2O)n(CF2CF2O)m(CF2CF2CF2O)r(CF2CF2CF2CF2O)s-T1... | 03/06/2007 |
| 7160843 | Oil-based demulsifying agent and its use in the treatment of drains bored in oil-based mud An oil-based demulsifying formulation which can be used in the treatment of drains bored in oil-based mud, non ecotoxic and optimally compatible with formation fluids, comprises at least one wetting agent chosen from anionic surfacetants and at least one demulsifier... | 01/09/2007 |
| 7119236 | Method of preparing alkoxylation catalysts and their use in alkoxylation processes A process for preparing an alkoxylation catalyst suitable for alkoxylating compounds that includes mixing a calcium-containing compound in a dispersing medium having a boiling point less that 160° C. with a carboxylic acid and an inorganic acid or anhydride. ... | 10/10/2006 |
| 7101955 | Synthesis of energetic thermoplastic elastomers containing both polyoxirane and polyoxetane blocks This thermoplastic elastomer is present in a substantially solid state suitable for use as a binder for a propellant, explosive, and/or gas generant of a supplemental restraint system. The thermoplastic elastomer is formed from a composition including A blocks which... | 09/05/2006 |
| 7030278 | Polyethylene(Glycol) derivatives with proximal reactive groups An activated, substantially water soluble poly(ethylene glycol) is provided having of a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a hydrolytically stable linkage, wherein the terminus is branched and h... | 04/18/2006 |
| 6933415 | Low-VOC aqueous coating compositions with excellent freeze-thaw stability The present invention is an aqueous coating composition having excellent freeze-thaw stability and a low-VOC content. The aqueous coating composition of the invention includes at least one latex polymer derived from at least one monomer and at least one polymerizabl... | 08/23/2005 |
| 6911558 | Method for purifying chloromethyl chloroformate Describes a method for obtaining substantially pure chloromethyl chloroformate from a chloroformate mixture comprising chloromethyl chloroformate and methyl chloroformate by heating the chloroformate mixture in a reaction zone at temperatures ranging from at least 5... | 06/28/2005 |
| 6906168 | Process for fractionation/concentration to reduce the polydispersivity of polymers Methods of reducing the amount of undesirable by-products in the production of polymers are disclosed. The resulting polyetherimides have lower polydispersivity and enhanced thermomechanical properties. In some embodiments, cyclic and low molecular weight linear oli... | 06/14/2005 |
| 6878682 | Capped nonionic surfactants The invention relates to a series low foaming capped non-ionic surfactants. These compounds by virtue of reacting the terminal hydroxyl group with methallyl chloride, have increased stability in alkali, lower high cloud points and can be reacted via free radical tec... | 04/12/2005 |
| 6869543 | Amine-initiated polyether polyols and a process for their production Clear, amine-initiated polyether polyols are made by epoxidizing an amine in the presence of an alkali metal hydroxide catalyst. By reducing the amount of catalyst used during the polyol synthesis and by adding the catalyst after between 5 and 30% of the total amoun... | 03/22/2005 |
| 6864395 | Acetylenic diol ethylene oxide/propylene oxide adducts and processes for their manufacture This invention provides water-based compositions, particularly coating, ink, fountain solution and agricultural compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of an acetylenic diol ... | 03/08/2005 |
| 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 presence of a resin catalyst, thereby producing the addition reaction pr... | 02/22/2005 |
| 6835325 | Crosslinking agent based on polyallyl ether compound A crosslinking agent containing a polyallyl ether compound having at least one hydroxyl group derived from a glycidyl group and at least two allyl groups can be used for the production of a highly water-absorbing polymer comprising a polymerizable compound having a ... | 12/28/2004 |
| 6821308 | Polyoxyalkylene monoethers with reduced water affinity Oleophilic polyoxyalkylene monoethers having reduced water affinity are disclosed. The monoethers have a hydrocarbyl residue, a polyoxyalkylene moiety, and a hydroxyl end group. The monoethers contain less than about 6 mole percent of alkoxylated unsaturates, and pr... | 11/23/2004 |
| 6790890 | Aqueous compositions of perfluoropolyether phosphates and use thereof to confer oleo-repellence to paper Aqueous compositions of (per)fluoropolyether phosphates of formula: T—O—[Rf—CFY—L—O]P(O)(O−Z+)(OH); and/or (A) (OH)m(O−Z+)2-mP(O)... | 09/14/2004 |
| 6747164 | Use of amine compounds with improved biodegradability as adjuvants for pesticides and fertilizers The present invention relates to the use of an amino compound, which is an esteramine or an amidoamine surfactant with improved biodegradability, as an adjuvant for agrochemically active compounds such as pesticides or fertilizers. The adjuvant has Formula (I) where... | 06/08/2004 |
| 6740358 | Reactive coalescents Compounds useful as reactive coalescents and methods of improving the stability of reactive coalescents are disclosed. A process for the preparation of low molecular weight polymers which are also useful as reactive coalescents is also disclosed. ... | 05/25/2004 |
| 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 a polyester polyol having been previously obtained by reacting a reac... | 05/25/2004 |
| 6709645 | Synthesis of labeled metabolites The present invention is directed to labeled compounds, for example, isotopically enriched mustard gas metabolites including: [1,1′,2,2′-13C4]ethane, 1,1′-sulfonylbis[2-(methylthio); [1,1′,2,2′-13C4]ethane, 1-[[2... | 03/23/2004 |
| 6699961 | DMC complex catalyst and process for its preparation A process for the preparation of a DMC catalyst useful in the polymerization of alkylene oxides into polyether polyols, which process having the steps of (a combining an aqueous solution of a metal salt with an aqueous solution of a metal salt with an aqu... | 03/02/2004 |
| 6683222 | Polyether-polyol compound A polyether-polyol compound represented by the compositional formula C3n H6n+2 O2n+1, wherein n is an integer of 4 or more, wherein the polyether-polyol compound has a total number of 1,2-diol unit and 1,3-diol unit of [(n... | 01/27/2004 |
| 6664365 | Process for producing poly(alkylene oxide) in the presence of a phosphazenium salt or compound The present invention provides a novel salt useful as an active species in an organic reaction and represented by the following chemical formula (1): ##STR1## wherein n stands for an integer of from 1 to 8, Zn- represents an n-valent anion of a... | 12/16/2003 |
| 6653487 | Process for preparing trioxane, polyoxymethylene and polyoxymethylene copolymers A process for preparing trioxane by converting methanol to formaldehyde by dehydrogenation at a temperature of 300 to 1000° C., in the presence of a catalyst, wherein the catalyst is generated physically separately from the reactor and at a temperature a... | 11/25/2003 |
| 6599952 | Polyether polyols with increased functionality This invention relates to a process for the preparation an epoxide-reactive compound having a functionality of at least 3, a molecular weight of from about 250 to about 1,900, and an OH number of from about 85 to about 1,400. This process comprises reacti... | 07/29/2003 |
| 6573412 | Chain-coupled polymeric alkoxide compounds having controlled viscosity The invention provides chain-coupled polymeric alkoxide compounds for use as the elastomeric component in vulcanizable elastomeric compositions comprising silica, carbon black or mixtures thereof. In particular, the invention provides anionically polymeri... | 06/03/2003 |
| 6548564 | Polyether polyols with increased functionality This invention relates to a process for the preparation of a polyether polyol having a functionality of at least about 3, a molecular weight of from about 560 to about 35,000 and an OH number of from about 10 to about 1,100. This process comprises reactin... | 04/15/2003 |
| 6533830 | Polyalkene alcohol-polyalkoxylates and their use in fuels and lubricants Polyalkene alcohol polyalkoxylates R--(CH2)n --(O--A)m --OH, where R is a polyalkene radical derived from C2 - to C30 -alkenes and having a number average molecular weight from 300 to 5000, A is an al... | 03/18/2003 |
| 6534685 | Liquid mixture consisting of diesel gas oils and oxygenated compounds A liquid mixture is described having a cetane number higher than 40, characterized in that it consists of: a typical diesel gas oil cut having a boiling point ranging from 150 to 380° C. and a density ranging from 0.76 to 0.935 g/ml at 15° C.; one or mo... | 03/18/2003 |
| 6509509 | Process for the preparation of perfluoropolyoxyalkylenes with hydroxyl end groups A process for preparing perfluoropolyoxyalkylenes with hydroxyl end groups having structure: T1 --CFW1 --O--Rf --CFW2 --T2 (I) wherein: T1, T2, are selected from --CH2 OH, --F,... | 01/21/2003 |
| 6506945 | Process for preparing ether-capped poly(oxyalkylated) alcohol surfactants A process for preparing an ether-capped poly(oxyalkylated) alcohol surfactant is provided. The alcohol has the formula: RO(R1 O)x CH(CH3)OR2 wherein R is selected from the group consisting of linear or branched, satu... | 01/14/2003 |
| 6458918 | Method for producing partially crystalline polyether polyols The present invention relates to a process for the preparation of novel, partially crystalline polyether polyols with a functionality of ࣙ2, an average molecular weight Mn of 500 to 100,000 and a molar proportion of isotactic triads determini... | 10/01/2002 |
| 6451926 | Coating compositions based on polyether alcohols prepared from 3,4-epoxy-1-butene EpB polyether alcohols were prepared by reacting 3,4-epoxy-1-butene with water or an alcohol such as methanol, butanol or ethylene glycol. Polyether alcohols thus prepared were found to have utility as reactive diluents for oxidatively curable coatings. I... | 09/17/2002 |
| 6437194 | Process for preparing an alkylcyclohexanol alkylene oxide adduct The invention is a preparation process of alkylcyclohexanol alkylene oxide adduct which contains almost no alkylphenol alkylene oxide adduct 1) in the absence of a solvent, 2) in the presence of a saturated hydrocarbon solvent, or 3) in the presence of wa... | 08/20/2002 |
| 6410801 | Continuous process for the production of polyether polyols A continuous alkoxylation process for the production of polyether polyols is disclosed. The process comprises the use of a plurality of reaction modules each having an outer tube and an inner tube with annular chamber between them. A spiral reaction tube ... | 06/25/2002 |
| 6395083 | Method for producing a cement admixture, concrete and fluorine-containing oxyalkylene compounds The present invention is the following invention which provides a cement admixture which satisfies fluidity of fresh concrete and high strength of the hardened product of concrete simultaneously. Namely, the present invention resides in a cement admixture whic... | 05/28/2002 |
