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| Number | Title | Issue Date |
| 7335705 | Thermosetting coating compositions comprising a copolymer formed from chlorotrifluoroethylene and methods of making copolymers formed from chlorotrifluoroethylene Fluoropolymers are disclosed. The fluoropolymers include (i) units derived from a fluoromonomer composition comprising chlorotrifluoroethylene, and (ii) units derived from at least one donor monomer composition. In the disclosed fluoropolymers, units (i) and (ii) ar... | 02/26/2008 |
| 7332545 | Fluoropolymers, methods for their production, and thermosetting compositions containing them Fluoropolymers are disclosed. The fluoropolymers include (i) units derived from a fluoromonomer having the formula F2C═CXY, where X is CF3 and Y is either F or CF3, and (ii) units derived from at least one donor monomer. In the dis... | 02/19/2008 |
| 7279605 | Synthesis of cyclopentenones The invention relates to a process for the preparation, in a single step, of substituted 2-cyclopenten-1-ones by reacting a substituted enone with an aldehyde in the presence of a catalytic system. The catalytic system consists of a metal complex, such as a Ti(Cl) | 10/09/2007 |
| 7179882 | Low viscosity polymer polyols The present invention relates to low viscosity polymer polyols and to a process for the preparation of these low viscosity polymer polyols. These polymer polyols comprise the free-radical polymerization product of (A) a base polyol, (B) a pre-formed stabilizer, and ... | 02/20/2007 |
| 7045651 | Production process for hydroxyalkyl (meth) acrylate The present invention provides a novel production process for a hydroxyalkyl (meth)acrylate, in which it is possible that: in a batch reaction system, the amount of the hydroxyalkyl (meth)acrylate (which is the objective product) as produced is kept nearly on the sa... | 05/16/2006 |
| 6855844 | Phtalic anhydride based polyester-ether polyols and double metal cyanide catalyst system for preparing same Disclosed are polyester-ether polyols and their use in urethane prepolymers, urethane foams and non-foam urethane coatings, adhesives, sealants and/or elastomers. Methods for producing such polyester-ether polyols using double metal cyanide catalysts are disclosed, ... | 02/15/2005 |
| 6838575 | Catalytic system for aldol reactions The invention relates to a process for the preparation, in a single step, of enones by an aldol condensation of a ketone, such as a gem-dimethyl cyclohexylethanone or gemdimethyl cyclohexenylethanone derivative, with an aldehyde in the presence of a novel catalytic ... | 01/04/2005 |
| 6765116 | Process of preparing a fluid rare earth alkoxylation catalyst A process to prepare an improved fluid rare earth phosphate catalyst composition useful in preparing alkylene oxide adducts of organic compounds having active hydrogen atoms is provided. The catalyst is prepared by dissolving a rare earth salt in a C9-C | 07/20/2004 |
| 6753402 | Polyester-polyether block copolymers Polyester-polyether block copolymers can be prepared by catalytic addition of alkylene oxides onto H-functional initiator substances, using polyester alcohols as H-functional initiator substances and multimetal cyanide compounds as catalysts. ... | 06/22/2004 |
| 6723872 | Production process for hydroxyalkyl ester The present invention provides: a process in which, when a hydroxyalkyl ester is produced by carrying out a reaction between a carboxylic acid and an alkylene oxide in the presence of a catalyst, the contamination of the hydroxyalkyl ester with water can be inhibite... | 04/20/2004 |
| 6649786 | Ester-forming addition reaction product This invention provides a process to produce a hydroxyl group-containing ester-forming addition reaction product having an acid value of 20 mgKOH/g or less, which process is characterized in that 2,2-dimethylolalkanoic acid having 6 to 8 carbon atoms is m... | 11/18/2003 |
| 6541656 | Process for producing , ଲ-unsaturated carboxylic acid esters and catalyst for use in such process Economical and efficient processes for producing an , ଲ-unsaturated carboxylic acid heterocycle-inserted ester and an ,ଲ-unsaturated carboxylic acid polyheteroalkylene ester as well as a catalyst suited for use in economically an... | 04/01/2003 |
| 6498268 | Method for producing alkylene glycol esters with limited homologue distribution A method of producing alkylene glycol esters of unbranched aliphatic dicarboxylic acids with limited homolog distribution, and the use of the esters produced as monomer structural units for producing polymers are disclosed.... | 12/24/2002 |
| 6388041 | Polyoxyethylene derivatives having optionally protected amino group at one end and process for producing the same Disclosed are polyoxyethylene derivatives having different functional groups at both ends of the molecule represented by the following formula (I) and a process for producing the derivatives by anionic living polymerization. The present invention provides... | 05/14/2002 |
| 6277497 | Hydroxy-functional oligomers for high solids coatings A high solids coating composition comprising a branched hydroxy-functional polyester oligomer and a curing agent; and the oligomer itself containing at least 20% by weight of the binder of at least one of the following tertiary acid ester end groups: ... | 08/21/2001 |
| 5990264 | Copolymerization of tetrahydrofurans and cyclic anhydrides Poly(ester-ethers) are produced by the copolymerization of tetrahydrofurans and cyclic carboxylic anhydrides using selected metal perfluoroalkylsulfonates and related compounds as catalysts. The resulting copolymers are useful as intermediates for monomer... | 11/23/1999 |
| 5952452 | Hydroxy-functional oligomers for high solids coatings A high solids coating composition comprising a branched hydroxy-functional polyester oligomer and a curing agent; and the oligomer itself containing at least 20% by weight of the binder of at least one of the following tertiary acid ester end groups: ... | 09/14/1999 |
| 5750770 | Unsaturated mono-esters and their use in coating compositions Hydroxy functional, unsaturated diesters are disclosed that comprise the esterification reaction products of unsaturated anhydrides with secondary alcohols to form monoesters, followed by oxyalkylation of the monoester with epoxy compounds, whereby a dies... | 05/12/1998 |
| 5688750 | Base fluid A base fluid for metal working fluids comprises a stoichiometrically neutral salt of the partial esterification product having an acid number of 10-120, preferably 20-100 of polymerized fatty acids and a monohydric alkoxylated alcohol, selected from (a) s... | 11/18/1997 |
| 5684179 | Method for recovering diacetate esters of polytetramethylene ethers An improved method for recovering purified diesters of polytetramethylene ethers involving the polymerization of tetrahydrofuran (THF) optionally with one or more comonomers (e.g., 3-methyl THF, ethylene oxide, propylene oxide, or the like) utilizing a so... | 11/04/1997 |
| 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 about 10 to 25 minutes. For example, alpha-methoxy, omega-... | 09/30/1997 |
| 5506309 | Perfluorinates polyethers This invention pertains to perfluoropolyethers and perhalogenated chlorofluoropolyethers that can be prepared by fluorinating addition polymers made by polymerizing epoxides.... | 04/09/1996 |
| 5483008 | Polyether having heterofunctional groups at both ends, process for the preparation thereof and polymerization initiator therefor The present invention relates to a bifunctional polyether having groups different from each other at both ends, with a polymerization degree of 5 to 10000 and consisting of repeating units each represented by the following formula (I): ##STR1## ... | 01/09/1996 |
| 5463020 | Preparation of polytetrahydrofuran or tetrahydrofuran/alkylene oxide copolymers Polytetrahydrofuran or C2 -C10 -alkylene oxide/tetrahydrofuran copolymers having a molecular weight of from 250 to 20,000 Dalton are prepared by the cationic polymerization of tetrahydrofuran or tetrahydrofuran and C2 -C | 10/31/1995 |
| 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.... | 01/31/1995 |
| 5370810 | Polyepoxide modified adducts or reactants and oleaginous compositions containing same PT-696 A material useful as a dispersant additive in oleaginous compositions selected from fuels and lubricating oils comprising the reaction products of: (i) at least one intermediate adduct comprised of the reaction products of (a) at least one polyepoxide, and (b)... | 12/06/1994 |
| 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 alkylene oxides with an active hydrogen containing reactan... | 05/11/1993 |
| 5177249 | Compounds with at least three functional ester groups and process for the production thereof The present invention relates to compounds comprising ester groups having at least three ester functions, to processes for the production thereof, and to the use of the products. Compounds having at least three functional ester groups of the general formu... | 01/05/1993 |
| 5130470 | Polymerization of tetrahydrofuran using a fluorinated acidic catalyst and maleic acid/maleic anhydride mixture as molecular weight control agent A process for polymerizing tetrahydrofuran using a fluorinated resin containing sulfonic acid groups a trifluoromethane sulfonic acid as catalyst and a mixture of maleic acid and maleic anhydride as weight control agent. The product has the formula #... | 07/14/1992 |
| 5059719 | Alkoxylation process using catalyst of the lanthanum series 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 C2 to C4 vicinal alkylene oxides with an act... | 10/22/1991 |
| 5057628 | Alkoxylation process catalyzed by compounds of the 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 alkylene oxides with an active hydrogen containing reactan... | 10/15/1991 |
| 5057627 | Alkoxylation process catalyzed by phosphate salts of the 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 alkylene oxides with an active hydrogen containing reactan... | 10/15/1991 |
| 5026923 | Alkoxylation process catalyzed by borate salts of the 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 alkylene oxides with an active hydrogen containing reactan... | 06/25/1991 |
| 5015697 | Polybutylketones and hydroxyesters of epoxidized polybutenes A process is disclosed for preparing a composition comprising a polybutyl ketone and a hydroxyester of an epoxidized polybutene wherein the epoxide groups of said epoxidized polybutene are at least 70% trisubstituted. Acid compounds are reacted with epoxi... | 05/14/1991 |
| 4970333 | Process for making carboxylic acid esters using a crosslinked acrylic resin as the catalyst The production of esters via the reaction of an epoxide with a carboxylic acid hasbeen shown to give improved activity when a strong base macroporous anion exchange resin having an acrylic backbone is used in place of a styrene-divinylbenzene based anion ... | 11/13/1990 |
| 4967016 | Alkoxylation process catalyzed by 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 alkylene oxides with an active hydrogen containing reactan... | 10/30/1990 |
| 4962237 | Catalytic process for the preparation of polyols A catalytic process for polymerizing epoxides using active hydrogen initiators forming polyols having low unsaturation levels and high primary hydroxyl levels. The catalysts useful in this process are prepared from catalyst precursors exemplified by hydro... | 10/09/1990 |
| 4960952 | Alkoxylation process catalyzed by lanthanum silicates and metasilicates 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 alkylene oxides with an active hydrogen containing reactan... | 10/02/1990 |
| 4814515 | Method of manufacturing a modified polyhydroxy compound A method of manufacturing a modified polyhydroxy compound, which is characterized in that a polyhydroxy compound is heated for 30 minutes or more at a temperature ranging from 150° to 250° C. under stirring and in the presence of tin, tin compounds such... | 03/21/1989 |
| 4784784 | Succinic acid esters and hydraulic fluids therefrom Hydraulic fluids contain as novel dispersants, reaction products of di- or trisuccinic anhydrides with polyethoxylated alcohols to produce polyethoxylated hydrocarbyl polyanhydrides.... | 11/15/1988 |
