Material Contains At Least One Group Ia Or Group Iia Metal Atom Patents (Class 528/57)
  • Patent number: 9018333
    Abstract: Polyisocyanate composition comprising a polyisocyanate, a lithium halide and a urea compound, wherein the number of moles of lithium halide per isocyanate equivalent ranges of from 0.0001-0.04 and the number of urea+biuret equivalents per isocyanate equivalent of from 0.0001-0.4. Process for making such composition. Curable composition comprising this polyisocyanate composition and an epoxy resin. Polyisocyanurate made from this curable composition.
    Type: Grant
    Filed: April 6, 2010
    Date of Patent: April 28, 2015
    Assignee: Huntsman International LLC
    Inventors: Christiaan Debien, Christian Esbelin, Hans Verbeke
  • Patent number: 8987404
    Abstract: The invention relates to a coating composition comprising: A) at least one thiol-functional compound having at least one thiol group, B) at least one polyisocyanate cross-linking agent with at least one free isocyanate group and C) at least one catalyst compound, said catalyst compound comprising at least one catalyst for the curing reaction between the thiol groups of component A and the free isocyanate groups of component B, and at least one cyclodextrine.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: March 24, 2015
    Assignee: Axalta Coating Systems IP Co., LLC
    Inventors: Carmen Flosbach, Stefanie Matten, Katharina Dreger
  • Patent number: 8871817
    Abstract: The present invention relates to a single-stage process for preparing polyurethanes which comprise at least three hydrophilic sections, at least four hydrophobic sections, optionally allophanate segments and optionally isocyanurate segments, in the presence of alkali(ne earth) metal carboxylates or zinc carboxylates. Furthermore, the present invention relates to the polyurethanes themselves obtainable in this way, to the use thereof as thickeners for aqueous preparations, and to aqueous preparations comprising polyurethanes of this type.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: October 28, 2014
    Assignee: BASF SE
    Inventors: Holger Türk, Volker Wendel
  • Patent number: 8841403
    Abstract: A catalyst system which is suitable for catalyzing the production of polyurethane systems is provided. The catalyst system contains a metal salt of a carboxylic acid to whose carbonyl carbon a hydrogen atom or a hydrocarbon radical is bound, with the proviso that the carboxylic acid does not have exclusively a single ethyl or n-propyl branch in the 2 position.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: September 23, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Sarah Schmitz, Roland Hubel
  • Patent number: 8742054
    Abstract: A hybrid resin composition is described, the composition comprising: A. An A part composition comprising an aliphatic polyfunctional isocyanate compound and a free radical polymerization initiator; and B. A B part composition comprising an ethylenically unsaturated, substantially water-free polyester polyol and a polyurethane catalyst. The A part composition can contain a non-interfering solvent, e.g., styrene, and the B part composition typically has an acid value of 5 or less (based on solids). For outdoor use, the B part composition is preferably free of tertiary hydrogens, ether glycols and terephthalic acid residues.
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: June 3, 2014
    Assignee: CCP Composites US
    Inventors: Frédéric Bauchet, Larry Morris, Woody Holley, Kenneth Seroogy
  • Patent number: 8729146
    Abstract: A catalyst composition including a solution of at least one member selected from the group consisting of an alkali metal carboxylate and an alkaline earth metal carboxylate in a solvent which is nonreactive with the isocyanate groups of a polyisocyanate.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: May 20, 2014
    Assignee: Momentive Performance Materials Inc.
    Inventor: Vittorio Bonapersona
  • Patent number: 8716426
    Abstract: A process for the preparation of an allophanate of one or more identical or different isocyanates, compositions obtained by the process, and uses of the compositions are disclosed. The process comprises reacting an isocyanate with at least one monoalcohol comprising an ether or polyether functional group in the presence of a bismuth-comprising catalyst and a metal compound as co-catalyst.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: May 6, 2014
    Assignee: Perstorp France
    Inventors: Jean-Marie Bernard, Johannès Schwarz, Philippe Olier
  • Patent number: 8552138
    Abstract: Polyester resins (C) of the invention have a practically sufficient high molecular weight and a high crystallinity and have an amide group in the molecular chain. Processes for producing the polyester resins are also disclosed. In detail, the polyester resins (C) have a practically sufficient high molecular weight and a high crystallinity and have a biodegradable amide group in the molecular chain. Processes for producing the polyester resins are also disclosed. The polyester resins (C) are obtained by reacting an aliphatic polyester resin (A) and a polyisocyanate compound (B) in the presence of an amidation catalyst and contain a specific structural unit.
    Type: Grant
    Filed: March 3, 2009
    Date of Patent: October 8, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Shinichi Usugi, Ryohei Ogawa, Hideshi Hori, Akifumi Kagayama
  • Patent number: 8545728
    Abstract: A method for preparing an electrostatic dissipative polymer and a blend of a thermoplastic polymer and the ESD polymer is disclosed. The method for preparing an electrostatic dissipative polymer includes the step of polymerizing the electrostatic dissipative polymer in the presence of a reactive solvent and lithium salt dissolved in the reactive solvent, wherein the amount of the reactive solvent is from 0.1 to 20 weight parts based on 100 weight parts of the produced electrostatic dissipative polymer, the amount of lithium salt is from 0.1 to 5 weight parts based on 100 weight parts of the produced electrostatic dissipative polymer, and the reactive solvent is aliphatic glycol having from 2 to 8 carbon atoms and having a primary alcohol group, or aromatic glycol having from 6 to 10 carbon atoms.
    Type: Grant
    Filed: January 21, 2005
    Date of Patent: October 1, 2013
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Chang-Min Suh, Tae-Woong Lee, Dong-Sik Kim
  • Publication number: 20130131222
    Abstract: The present invention relates to polyurethane polymers comprising as part of its polymer backbone biobased ?-hydroxyfatty acids or derivatives thereof, processes for the preparation thereof, and compositions thereof having improved properties. The polyurethanes of the present invention are prepared from copolyester prepolymers comprising the biobased ?-hydroxyfatty acids that may also contain additional components that can be selected from aliphatic or aromatic diacids, diols and hydroxyacids obtained from synthetic and natural sources. The biobased ?-hydroxyfatty acids that comprise the polyurethanes and copolyester prepolymers of the present invention are made using a fermentation process from pure fatty acids, fatty acid mixtures, pure fatty acid ester, mixtures of fatty acid esters, and triglycerides from various sources.
    Type: Application
    Filed: March 11, 2011
    Publication date: May 23, 2013
    Applicant: SyntheZyme LLC
    Inventor: Richard A. Gross
  • Patent number: 8445555
    Abstract: The present invention provides trimerization catalyst compositions having at least one carbanion compound and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst compositions.
    Type: Grant
    Filed: July 13, 2006
    Date of Patent: May 21, 2013
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Juan Jesus Burdeniuc, Torsten Panitzsch, John Elton Dewhurst
  • Patent number: 8211954
    Abstract: Radiation-curable compounds, processes for the preparation thereof, the use thereof and coating materials comprising them and having high scratch resistance, which compounds are polyurethanes comprising allophanate groups and obtained by reaction of di- or polyisocyanates and at least two different compounds, each having at least one group reactive toward isocyanate and at least one unsaturated group capable of free radical polymerization.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: July 3, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Nick Gruber, Reinhold Schwalm, Erich Beck, Yvonne Heischkel, Gabriele Dlugosch, Peter Thuery
  • Patent number: 8202618
    Abstract: The invention relates to a process for preparing binders which contain 1) allophanate groups, 2) groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups) and 3) optionally NCO-reactive groups, by reacting at temperatures ?130° C. A) one or more NCO-functional compounds containing uretdione groups with B) one or more compounds that contain isocyanate-reactive groups and groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups), and then C) with one or more saturated, hydroxyl-containing compounds other than B), at least one of these compounds having an OH functionality of ?2, in the presence of D) a catalyst containing one or more ammonium salts or phosphonium salts of aliphatic or cycloaliphatic carboxylic acids, the reaction with compounds C) taking place at least proportionally with the formation of allophanate groups.
    Type: Grant
    Filed: January 4, 2010
    Date of Patent: June 19, 2012
    Assignee: Bayer MaterialScience AG
    Inventors: Jan Weikard, Christoph Gurtler, Wolfgang Fischer, Jorg Schmitt, Holger Mundstock
  • Publication number: 20120101171
    Abstract: The present invention relates to a single-stage process for preparing polyurethanes which comprise at least three hydrophilic sections, at least four hydrophobic sections, optionally allophanate segments and optionally isocyanurate segments, in the presence of alkali(ne earth) metal carboxylates or zinc carboxylates. Furthermore, the present invention relates to the polyurethanes themselves obtainable in this way, to the use thereof as thickeners for aqueous preparations, and to aqueous preparations comprising polyurethanes of this type.
    Type: Application
    Filed: October 21, 2011
    Publication date: April 26, 2012
    Applicant: BASF SE
    Inventors: Holger Türk, Volker Wendel
  • Publication number: 20120101170
    Abstract: The present invention relates to a process for preparing polyurethanes, which comprise at least three hydrophilic sections, at least four hydrophobic sections, optionally allophanate segments and/or isocyanurate segments and which are prepared in the presence of alkali(ne earth) metal carboxylates. The process may comprise using at least one carboxylic acid salt of at least one metal selected from the group consisting of the alkali metals, the alkaline earth metals and mixtures thereof. Furthermore, the present invention relates to the polyurethanes per se obtainable in this way, to the use thereof as thickeners for aqueous preparations, and to preparations comprising polyurethanes of this type.
    Type: Application
    Filed: October 21, 2011
    Publication date: April 26, 2012
    Applicant: BASF SE
    Inventors: Holger Türk, Volker Wendel
  • Publication number: 20110040065
    Abstract: Polyester resins (C) of the invention have a practically sufficient high molecular weight and a high crystallinity and have an amide group in the molecular chain. Processes for producing the polyester resins are also disclosed. In detail, the polyester resins (C) have a practically sufficient high molecular weight and a high crystallinity and have a biodegradable amide group in the molecular chain. Processes for producing the polyester resins are also disclosed. The polyester resins (C) are obtained by reacting an aliphatic polyester resin (A) and a polyisocyanate compound (B) in the presence of an amidation catalyst and contain a specific structural unit.
    Type: Application
    Filed: March 3, 2009
    Publication date: February 17, 2011
    Inventors: Shinichi Usugi, Ryohei Ogawa, Hideshi Hori
  • Publication number: 20100069518
    Abstract: Polymer-modified polyol, for use as a starting material for polyurethane foam, is made by reacting an olamine, such as triethanolamine, with an isocyanate in the presence of a metal organic catalyst. The catalyst is a metal salt of an organic acid and the viscosity of the polymer-modified polyol is at least 2250 mPa·s. In one embodiment the catalyst is of the formulat M(O.CO.R.CH3)2 where M is a metal and R is a carbon chain of 6 to 20 carbons. A metal salt of a monohydroxy fatty acid, particularly ricinoleic acid may be used.
    Type: Application
    Filed: March 20, 2008
    Publication date: March 18, 2010
    Inventors: Henri Mispreuve, Reinold Naescher, Kurt Schoenenberger, Johan Frei, Erik Vogel, Zacharias Grote
  • Patent number: 7666970
    Abstract: The invention relates to a process for preparing binders which contain 1) allophanate groups, 2) groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups) and 3) optionally NCO-reactive groups, by reacting at temperatures ?130° C. A) one or more NCO-functional compounds containing uretdione groups with B) one or more compounds that contain isocyanate-reactive groups and groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups), and then C) with one or more saturated, hydroxyl-containing compounds other than B), at least one of these compounds having an OH functionality of ?2, in the presence of D) a catalyst containing one or more ammonium salts or phosphonium salts of aliphatic or cycloaliphatic carboxylic acids, the reaction with compounds C) taking place at least proportionally with the formation of allophanate groups.
    Type: Grant
    Filed: September 1, 2005
    Date of Patent: February 23, 2010
    Assignee: Bayer MaterialScience AG
    Inventors: Jan Weikard, Christoph Gürtler, Wolfgang Fischer, Jörg Schmitz, Holger Mundstock
  • Patent number: 7622540
    Abstract: Disclosed herein is a metal enolate initiator for polymerizing isocyanates and a method for polymerizing isocyanates by anionic polymerization using the same, in which the initiator forms a cluster upon the initiation and protects stability of terminal anions at the end of the chain to cause controlled polymerization, thus preventing depolymerizaton and improving reaction time and efficiency without the use of a separate additive.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: November 24, 2009
    Assignee: Gwangju Institute of Science and Technology
    Inventors: Jae-Suk Lee, Hee-Soo Yoo, Shahinur Rahman
  • Patent number: 7425593
    Abstract: The present invention relates to an amphiphilic triblock copolymer comprising a poly(2-vinylpyridine) block and a poly(alkylisocyanate) block and the preparation method thereof, and particularly relates to an amphiphilic triblock copolymer comprising a coil-shaped hydrophilic poly(2-vinylpyridine) block and a rod-shaped lipophilic poly(alkylisocyanate) block, having a controlled structure of coil-rod-coil or rod-coil-rod, and the preparation method thereof.
    Type: Grant
    Filed: July 13, 2006
    Date of Patent: September 16, 2008
    Assignee: Gwangju Institute of Science and Technology
    Inventors: Jae-Suk Lee, Shahinur Rahman, Shashadhar Samal, Hee-Soo Yoo
  • Patent number: 7381785
    Abstract: Process for preparing binders including reacting A) one or more NCO-functional compounds containing uretdione groups with B) one or more compounds containing groups capable of participating in polymerization reaction with ethylenically unsaturated compounds on exposure to actinic radiation, and contain isocyanate-reactive groups, followed by C) reaction with one or more hydroxyl-containing compounds other than B), wherein at least one of these compounds has an OH functionality of?2, D) in the presence of one or more compounds containing phenoxide groups, as catalysts, and E) optionally auxiliaries and additives, where the reaction with compounds of component C) proceeds at least proportionally with the formation of allophanate groups and where and including binders containing allophanate groups and groups capable of participating in a polymerization reaction with ethylenically unsaturated compounds on exposure to actinic radiation, and optionally also contain NCO-reactive groups.
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: June 3, 2008
    Assignee: Bayer MeterialScience AG
    Inventors: Christophe Dètrembleur, Jan Weikard, Dorota Greszta-Franz, Wolfgang Fischer, Jörg Schmitz, Holger Mundstock
  • Patent number: 7375150
    Abstract: An antistatic composition that is excellent in thermo stability, is free from the problem of bleeding-out, exhibits its effect independently of humidity, has immediate effectiveness, and also exhibits excellent and persistent antistatic properties, and a method for producing the composition are provided. The antistatic composition comprises a predetermined alkali metal salt or alkaline earth metal salt, and resin.
    Type: Grant
    Filed: May 1, 2002
    Date of Patent: May 20, 2008
    Assignee: Sanko Chemical Industry Co., Ltd.
    Inventor: Noriaki Fujihana
  • Patent number: 7317112
    Abstract: A method of dimerizing isocyanates using sulphonamide anions as a dimerization catalyst for the isocyanates and also to a process for preparing oligomeric isocyanates using such catalysts.
    Type: Grant
    Filed: August 4, 2004
    Date of Patent: January 8, 2008
    Assignee: Bayer MaterialScience AG
    Inventors: Jürgen Köcher, Hans-Josef Laas
  • Patent number: 7205374
    Abstract: A method of preparing an adhesive, the method comprising combining an isocyanate, a polyhydroxyl phenol-containing compound, a polyol, and a trimerization catalyst.
    Type: Grant
    Filed: October 10, 2003
    Date of Patent: April 17, 2007
    Assignee: BFS Diversified Products, LLC
    Inventors: John W. Fieldhouse, Joseph J. Kalwara, Edward G. Kane, John B. Letts
  • Patent number: 7202302
    Abstract: Polyisocyanurate systems, pultrusion of those systems to produce reinforced polyisocyanurate matrix composites, and to composites produced thereby. The polyisocyanurate systems include a polyol component, an optional chain extender, and an isocyanate. The polyisocyanurate systems have extended initiation times of about 5 minutes to about 30 minutes at room temperature, and can be snap cured.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: April 10, 2007
    Assignee: Huntsman International LLC
    Inventors: Evan H. Cheolas, Berend Eling, Ravi R. Joshi, Alan McClelland, Ajay Padsalgikar, Andreas H. Rothacker
  • Patent number: 7060817
    Abstract: The present invention relates to the use of sulphonamide salts as catalysts for oligomerizing isocyanates and also to a process for NCO oligomerization using the catalysts of the invention.
    Type: Grant
    Filed: August 4, 2004
    Date of Patent: June 13, 2006
    Assignee: Bayer MaterialScience AG
    Inventors: Jürgen Köcher, Reinhard Halpaap
  • Patent number: 6906110
    Abstract: In a process for producing polyurethanes by reacting at least one polyisocyanate with at least one compound containing at least two hydrogen atoms which are reactive toward isocyanate groups, the compound having at least two active hydrogen atoms which is used is at least one polyether alcohol prepared by addition of alkylene oxides onto H-functional initiator substances by means of multimetal cyanide catalysis and the reaction is carried out in the presence of at least one metal salt.
    Type: Grant
    Filed: November 4, 2000
    Date of Patent: June 14, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhard Lorenz, Stephan Bauer, Dieter Junge, Eva Baum, Kathrin Harre, Jörg Erbes, Thomas Ostrowski, Georg Heinrich Grosch
  • Patent number: 6906163
    Abstract: Segmented polyurethane/ureas useful for the production of spandex, particularly spandex fibers, are made from isocyanate-terminated prepolymers formed by reacting excess isocyanate with an isocyanate-reactive component satisfying specified compositional requirements in the presence of a catalyst which promotes linear polymerization but does not cause degradation of the polymer. Suitable catalysts include metal salts of organic fatty acids and/or of naphthenic acid. The isocyanate-reactive component includes at least 10 equivalent percent of a polyoxypropylene diol having a number average molecular weight of at least about 1500 Da and an average unsaturation level less than or equal to 0.03 meq/g and up to 90 equivalent percent of a polytetramethylene glycol having a number average molecular weight of at least 200 Da.
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: June 14, 2005
    Assignee: Bayer Materialscience LLC
    Inventors: Bruce D. Lawrey, Thomas A. J. Gross, Rolf-Volker Meyer
  • Patent number: 6891017
    Abstract: The present invention relates to room temperature or thermally polymerizable/curable episulfide based compositions for making polymerized/cured episulfide based resins, and in particular episulfide based compositions which can be fastly polymerized/cured, as well as to a room temperature or thermal polymerization process for making such episulfide based resins.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: May 10, 2005
    Assignee: Essilor International Compagnie General D'Optique
    Inventors: Peiqi Jiang, Fadi O. Adileh, Yassin Yusef Turshani
  • Patent number: 6881764
    Abstract: There is disclosed a polyurethane composition with a glass cullet filler. The composition comprises at least one polyol, an isocyanate, a catalyst and glass cullet. The glass cullet has an average particle size of not greater than 100 mesh and not less than 325 mesh. A method of producing a polyurethane composition with a glass cullet filler is also disclosed.
    Type: Grant
    Filed: December 4, 2001
    Date of Patent: April 19, 2005
    Assignee: Textile Rubber & Chemical Company, Inc.
    Inventors: Van I. Doesburg, Milton Bradley Giddens
  • Patent number: 6815467
    Abstract: A method for producing a polyoxyalkylene polyol which comprises subjecting propylene oxide and ethylene oxide to ring-opening addition polymerization with an initiator in the presence of a catalyst, wherein the polyoxyalkylene polyol is a polyoxyalkylene polyol obtained by subjecting propylene oxide to ring-opening addition polymerization with an initiator in the presence of a double metal cyanide complex catalyst to form an oxypropylene block chain, subjecting ethylene oxide and propylene oxide to ring-opening addition polymerization randomly to form an oxyalkylene random chain, changing the catalyst and subjecting ethylene oxide to ring-opening addition polymerization in the presence of an alkali metal catalyst to form an oxyethylene block chain, and the polyoxyalkylene polyol is a polyoxyalkylene polyol having a hydroxyl value of from 5 to 56 mgKOH/g, a proportion of an initiator residue of at most 25 mass %, a proportion of the oxypropylene block chain of from 5 to 50 mass %, a total oxyethylene group c
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: November 9, 2004
    Assignee: Asahi Glass Company, Limited
    Inventors: Yoshinori Toyota, Akio Horie, Hiroshi Wada, Kayoko Sugiyama, Etsuko Akagi
  • Publication number: 20040171785
    Abstract: Novel one-component polyurethane systems, to their preparation and use for preparing paints, inks and adhesives. The one-component polyurethane systems include one or more organic and/or inorganic compounds of molybdenum and/or of tungsten in which the molybdenum and/or tungsten has an oxidation state of at least +4.
    Type: Application
    Filed: February 20, 2004
    Publication date: September 2, 2004
    Inventors: Christoph Gurtler, Jan Mazanek, Joachim Petzoldt, Heinz Schmidt, Stephan Nowak
  • Patent number: 6703472
    Abstract: A cleaning blade for use in an electrophotographic apparatus, which rubs and eliminates residual toners. The cleaning blade is made up of polyrethane resin sheet controls chipping of a top end of the cleaning blade and reduces an abrasion of a photosensitive drum. The cleaning blade is prepared by mixing and hardening at least a prepolymer, which is obtained from butylene adipate polyester polyol, hexylene adipate polyester polyol and polyisocyanate, and a hardening agent including a low molecular weight polyol and potassium acetate so that a mol ration (&agr; value) of hydroxyl group to isocyanate group becomes not less than 0.7 and not more than 0.9.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: March 9, 2004
    Assignees: Canon Kasei Kabushiki Kaisha, Canon Kabushiki Kaisha
    Inventors: Toshinari Miura, Takako Okabe, Taku Hatanaka, Shoji Inoue, Naohiko Nakano
  • Patent number: 6657036
    Abstract: The invention relates to polycondensation resins which are prepared by polycondensation of compounds having a low molecular weight and separation of small molecules in the presence of at least one hetergeneous catalyst. The invention also relates to polyaddition resins which are prepared by polyaddition in the presence of at least one heterogeneous catalyst. The invention further relates to the use of said polycondensation resins and polyaddition resins for the preparation of moulded parts, adhesives and coating materials.
    Type: Grant
    Filed: October 4, 2001
    Date of Patent: December 2, 2003
    Assignee: BASF Coatings AG
    Inventors: Werner-Alfons Jung, Heinz-Peter Rink, Eberhard Fuchs, Wolfgang Straehle
  • Patent number: 6653396
    Abstract: Zeolites of type A wherein all the cationic sites of which occupied by sodium, calcium and/or magnesium, potassium and hydronium cations, which exhibit the advantage of having a water adsorption capacity≧23%, which do not adsorb and therefore cannot desorb nitrogen, and which, incorporated in polyurethane (PU) resins, make it possible to increase the potlife of the PU formulations in which they are incorporated. Such zeolites are prepared by a process comprising bringing into contact an aqueous suspension of zeolite 3A, 4A or 5A, an aqueous solution of calcium or potassium salt(s) or solutions of calcium and potassium salt(s), and an acid solution, simultaneously or otherwise and in any order; and in then filtering off and washing the solid obtained, and then drying and activating the zeolite.
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: November 25, 2003
    Assignee: CECA S.A.
    Inventors: Serge Nicolas, Paul-Guillaume Schmitt
  • Patent number: 6642322
    Abstract: A method of making telechelic oligomers comprises reacting a substrate compound selected from the group consisting of relatively high molecular weight polymers with a chain transfer agent in the presence of an alkali metal catalyst. The telechelic oligomers thus produced may then be reacted with monomers according to known polymerization techniques in order to produce block copolymers.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: November 4, 2003
    Assignee: The University of North Carolina at Chapel Hill
    Inventors: Michel R. Gagné, Michael R. Korn
  • Patent number: 6590057
    Abstract: The invention provides polyurethane elastomers (PU elastomers), a process for their production using special catalyst mixtures and their use in particular for the manufacture of shoe soles.
    Type: Grant
    Filed: August 27, 2002
    Date of Patent: July 8, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Brecht, Wolfgang Grimm, Stephan Schleiermacher, Marc Schütze
  • Patent number: 6552121
    Abstract: A process for preparing alkali silicate—polyisocyanate composites without catalyst separation. The process involves blending a catalyst and a polyisocyanate to form a first component, and blending an alkali silicate and water to form a second component. The first and second components are then mixed together to form a reactive mixture that reacts to form a hardened composite. The progression of the reaction proceeds without excessive foaming, high exotherms, or the release of an offensive odor. Sodium silicate—polyisocyanate composites prepared according to the above process, and a process for using the alkali silicate—polyisocyanate composites to consolidate and seal various types of formations in mining, tunneling, and other construction projects are also disclosed. Any void volume which is capable of receiving a flowable precursor of a composite formulation according to the invention prior to its cure is suitable for treatment according to the present invention.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: April 22, 2003
    Assignee: Huntsman Petrochemical Corporation
    Inventor: Robert Allison Grigsby, Jr.
  • Publication number: 20020165333
    Abstract: The present invention relates to polyisocyanates having various functional groups and a preparing method thereof. More particularly, the present invention is to prepare polyisocyantes by living anion polymerization under suitable temperature and pressure enough to protect metal ions to prevent from the formation of trimer of the isocyanate through depolymerization and thus provide polyisocyanates having alkyl, silyl, siloxane and carbamate groups with desirable molecular weight, molecular weight distribution and improved physical properties.
    Type: Application
    Filed: April 13, 2001
    Publication date: November 7, 2002
    Inventors: Jae-Suk Lee, Jun-Hwan Ahn, Yeong-Deuk Shin
  • Patent number: 6448362
    Abstract: The invention is a high molecular weight polyether polyol prepared by the reaction of one or more compounds having one or more active hydrogen compounds with one or more alkylene oxides in the presence of a catalyst comprising calcium having counterions of carbonate and a C6-10 alkanoate in a solvent or dispersant which does not contain active hydrogen atoms. The polyether polyol prepared preferably has an equivalent weight of from about 1000 to about 20,000, a polydispersity of 1.3 or less and a residual catalyst level of from about 0 to about 2000 parts per million (ppm). In another embodiment the invention is a process for preparing such high molecular weight polyether polyols. The process comprises first, contacting one or more compounds having one or more active hydrogen atoms with one or more alkylene oxides in the presence of a catalyst. The catalyst comprises calcium having counterions of carbonate and a C6-10 alkanoate in a solvent, wherein the solvent does not contain active hydrogen atoms.
    Type: Grant
    Filed: September 7, 2000
    Date of Patent: September 10, 2002
    Assignee: The Dow Chemical Company
    Inventors: Philip W. McGraw, Robert H. Whitmarsh, Paul E. Cranley
  • Publication number: 20020120061
    Abstract: A process for preparing alkali silicate-polyisocyanate composites without catalyst separation. The process involves blending a catalyst and a polyisocyanate to form a first component, and blending an alkali silicate and water to form a second component. The first and second components are then mixed together to form a reactive mixture that reacts to form a hardened composite. The progression of the reaction proceeds without excessive foaming, high exotherms, or the release of an offensive odor. Sodium silicate-polyisocyanate composites prepared according to the above process, and a process for using the alkali silicate-polyisocyanate composites to consolidate and seal various types of formations in mining, tunneling, and other construction projects are also disclosed. Any void volume which is capable of receiving a flowable precursor of a composite formulation according to the invention prior to its cure is suitable for treatment according to the present invention.
    Type: Application
    Filed: December 11, 2001
    Publication date: August 29, 2002
    Applicant: Huntsman Petrochemical Corporation
    Inventor: Robert Allison Grigsby
  • Patent number: 6403216
    Abstract: A synthetic fiber which is excellent in moisture-absorbing/releasing property and exhibits high elongation and high stretch recovery, characterized in that it has moisture absorption ratios of 0.5 to 4.0% by weight in environments of 20° C.×65% RH and that of 4.5% by weight or more in environments of 30° C.×90% RH, respectively, and also has a difference between the absorption ratios in both the environments of 4.0% by weight or more. The representative examples of such fibers include polyurethane synthetic fiber and polyether synthetic fiber. The synthetic fiber maintains a high strength at break of an elastic fiber component thereof also in the state of having absorbed moisture, is excellent in color fastness to rubbing, and can be used for manufacturing a stretch fiber fabric product excellent in comfort through blending with another fiber material.
    Type: Grant
    Filed: August 9, 2001
    Date of Patent: June 11, 2002
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Masanori Doi, Takeshi Sugaya, Sueo Ohashi
  • Patent number: 6399698
    Abstract: An isocyanate prepolymer for application in polyurethanes. The prepolymer is synthesized by combining epoxidized natural oils with isocyanates and a catalyst. The prepolymer contains oxazolidone rings that will react with polyols to form polyurethane. The invention provides a method of using a renewable resource in a fast, simple process to produce substantial amounts of isocyanate prepolymer and a minimum of homopolymers.
    Type: Grant
    Filed: October 26, 2000
    Date of Patent: June 4, 2002
    Assignee: Pittsburg State University
    Inventors: Zoran S. Petrovic, Ivan J. Javni
  • Patent number: 6395861
    Abstract: A fast-curing polyurethane coating system for a game ball is described herein. The coating system comprises a mixture of a polyol, an isocyanate, a solvent and a surprisingly high level of catalyst which accelerates the curing process. The coating is a two-part polyurethane system which is preferably applied by spraying. The coating is particularly well-suited for use on golf balls, and also can be applied to other game balls such as softballs, baseballs, and cricket balls.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: May 28, 2002
    Assignee: Spalding Sports Worldside, Inc.
    Inventor: Thomas J. Kennedy, III
  • Patent number: 6313060
    Abstract: 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 of the catalyst for alkylene oxide ring-opening polymerization of the present invention, which is excellent in foam physical properties, vibration characteristics and molding properties.
    Type: Grant
    Filed: March 8, 2000
    Date of Patent: November 6, 2001
    Assignee: Asahi Glass Company, Limited
    Inventors: Kayoko Sugiyama, Hiroki Fukuda, Akio Horie, Hiroshi Wada
  • Patent number: 6177523
    Abstract: The present invention relates to functionalizable and crosslinkable polyurethanes formed of a polyurethane intermediate including one or more ester groups which react with an amine equivalent to form an amide unit. The polyurethane intermediate comprises the reaction product of alkyl ester of dihydroxypolyacid or dimethylolalkanoic acid, a polyoxyalkylene diol and an organic diisocyanate. The polyurethane is reacted with a solution of an amine equivalent and a solvent or an amine. An article of manufacture can be formed from the polyurethane.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: January 23, 2001
    Assignee: CardioTech International, Inc.
    Inventors: Murray H. Reich, John Teffenhart
  • Patent number: 6124380
    Abstract: The invention comprises a curable composition comprising: (i) a blocked reactive component wherein the blocked reactive component is a blocked isocyanate or a blocked isothiocyanate; (ii) a functional compound reactive with the blocked reactive component, the functional compound containing reactive hydrogen; (iii) a catalyst for promoting the reaction of the reactive component with the blocked functional compound, wherein said catalyst is based on the reaction product of manganese, cobalt, nickel, copper, zinc, germanium, antimony, or bismuth, or the oxides thereof with a mercaptan, or an organic acid, wherein said organic acid is hexanoic, oxalic, adipic, lactic, tartaric, salicylic, thioglycolic, succinic, or mercapto succinic acid, or the reaction product of copper or germanium, or the oxides thereof with a lower aliphatic acid.
    Type: Grant
    Filed: March 12, 1999
    Date of Patent: September 26, 2000
    Assignee: Elf Atochem North America, Inc.
    Inventors: Emily C. Bossert, Kevin Cannon, William D. Honnick, Wayne Ranbom
  • Patent number: 6051647
    Abstract: Mild acid treatment of potassium 3A zeolite molecular sieve to modify the pH of the surface of the molecular sieve to a pH ranging between 9.6 and 11 was found to significantly minimize the effect of the potassium 3A zeolite on the pot life when used as a drying agent for non-foamed polyurethanes. Increases in pot life in non-foamed polyurethane preparations over similar preparations with untreated potassium 3A zeolite molecular sieve were dramatic (about 400%) with less than 5% reduction in water adsorption capacity.
    Type: Grant
    Filed: November 24, 1998
    Date of Patent: April 18, 2000
    Assignee: UOP LLC
    Inventor: David W. House
  • Patent number: 6046298
    Abstract: A process for producing a polyurethane resin having an extended gel time by reacting a polyol component with a polyisocyanate in an NCO:OH ratio of from 10:1 to 1:10 wherein the polyol component contains from 0.1% to 100% by weight of a randomized castor oil prepared by heating castor oil for between about 0.1 and 15 hours at a temperature of between about 100.degree. C. and 280.degree. C. in the presence of a basic lithium salt.
    Type: Grant
    Filed: September 15, 1998
    Date of Patent: April 4, 2000
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Bernd Beuer, Roland Gruetzmacher, Andreas Heidbreder, Johann Klein
  • Patent number: 5962142
    Abstract: A small amount of a non-yellowing surface-forming polyurethane material containing a polyether polyol, a hexamethylene diisocyanate trimer, a coloring agent and an organic bismuth catalyst is initially injected into a mold cavity under reduced pressure to form e.g. the surface portion of a polyurethane covering for a steering wheel. An inner-forming polyurethane material is subsequently injected into the cavity under reduced pressure to form an inner portion of the covering.
    Type: Grant
    Filed: March 25, 1997
    Date of Patent: October 5, 1999
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Katsumi Tachi, Toshihiko Asaya, Satoru Ono, Hisashi Mizuno