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| Number | Title | Issue Date |
| 7772353 | Fast curing aliphatic RIM elastomers This invention relates to polyurethane elastomers and to a process for their production. These elastomers comprise the reaction product of a (cyclo)aliphatic isocyanate component having an NCO group content of about 20 to about 45%, with an isocyanate-reactive compo... | 08/10/2010 |
| 7396875 | UV-curable waterborne polyurethane dispersions for soft touch coatings The present invention is directed to a waterborne, UV-curable polyurethane emulsion and the use thereof in producing soft touch coatings. The emulsion is prepared by a) reacting specified hydroxy-functional components with di- and/or polyisocyanates, b) forming a di... | 07/08/2008 |
| 7317112 | Catalysts for selective isocyanate dimerization 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. ... | 01/08/2008 |
| 7314590 | Method of preparing a coated molded plastic article A gasket (1) having a reversibly compressible lower portion (17), and an upper portion (14) having at least one upwardly extending extension, is described. The upper portion (14) of the gasket (1) includes a first (34) and o... | 01/01/2008 |
| 7307135 | High-reactivity liquid polyurethane systems which contain uretdione groups and can be cured at a low temperature A high-reactivity liquid polyurethane composition which contains at least one uretdione group and cures at a low baking temperature can be used for producing plastics, particularly surface coatings and adhesives. The polyurethane composition contains A) at least one... | 12/11/2007 |
| 7300997 | High-reactivity polyurethane powder coating compositions based on epoxy-terminated polyaddition compounds containing uretdione groups Polyurethane powder coating compositions based on epoxy-terminated polyaddition compounds having uretdione groups, which cure at low baking temperatures, a process for preparing such compositions, and their use for producing plastics, especially polyurethane powder ... | 11/27/2007 |
| 7279505 | Radiation-curable prepolymers The present invention provides a radiation-curable prepolymer. The radiation-curable prepolymer of the invention is prepared by reacting an isocyanate-capped polyurethane with an ethylenically unsaturated amine or an ethylenically unsaturated monohydroxy compound or... | 10/09/2007 |
| 7253244 | Fast setting 1k-polyurethane glue A one-pack polyurethane adhesive containing a polyisocyanate prepolymer and at least one aminoether polyol, having a molar ratio of ether groups to amino nitrogen in the aminopolyether polyol of 7 to 30. ... | 08/07/2007 |
| 7247693 | Monomer compound comprising several cationic groups, process for making the same, and polymers comprising units deriving therefrom A polymer includes repetitive units derived from a monomer compound according to formula (I): wherein R1 is a hydrogen atom, a methyl group or an ethyl group, A, which is identical or different, is a g... | 07/24/2007 |
| 7235152 | Storage stable, thermofusible, thermosetting adhesive paste A storage stable adhesive paste composition is described. It contains a plurality of first solid particles comprising a surface protected polyisocyanate and a plurality of second solid particles of polymer having functional groups that react with the polyisocyanate.... | 06/26/2007 |
| 7223801 | Joint fill composition and method A composition and method for protecting pipeline joints is disclosed. A mold covers the exposed pipeline joint. A reaction composition including a polyol, an isocyanate, and an ester, preferably 2,2,4-trimethyl-1,2-pentanediol diisobutyrate, is added to the mold and... | 05/29/2007 |
| 7220338 | Aqueous hybrid bonding composition and process A process for making an article contacted with a bonding agent that is prepared by providing an admixture including a latex and a polyol present in an amount of less than 20 wt. % of the admixture for providing hydroxyl functionality. The isocyanate is admixed with ... | 05/22/2007 |
| 7214762 | Redox-active polymer and electrode comprising the same The present invention provides a new redox-active polymer capable of an adequate redox reaction even at low temperature and effectively usable as a high-capacity, high-energy density battery, a large-area electrochromic element, or a biochemical sensor using a micro... | 05/08/2007 |
| 7202302 | Polyisocyanurate compositions and composites 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 polyisocya... | 04/10/2007 |
| 7098289 | Isocyanates containing uretdione groups The invention relates to novel compounds containing uretdione groups, to a process for preparing them by dimerizing aliphatic and/or cycloaliphatic isocyanates containing exclusively secondary and/or tertiary isocyanate groups and also to the use of uretdione polyis... | 08/29/2006 |
| 7091341 | Catalyst and a method for the trimerization of isocyanates A method is described of preparing (poly)isocyanurate polyisocyanates by catalytic cyclotrimerization of isocyanates. A catalytic system is used which includes a cyclotrimerization catalyst based on a quatemary ammonium salt and imidazole as a cocatalyst. ... | 08/15/2006 |
| 7078475 | Synergistic amine chain-extenders in polyurea spray elastomers Disclosed are derivatives of isophorone diamine exhibiting a synergistic relationship with other commonly employed chain extenders offering enhanced efficacy with regard to slowing of the polyurea elastomer cure profile, and processes employing their use. According ... | 07/18/2006 |
| 7078442 | Method of consolidating sand or gravel into a solid mass A composition and method for consolidating aggregate material is disclosed. The method includes introducing a reaction composition into the aggregate material and allowing it to reach on form a polymer which binds the aggregate together. The composition includes pol... | 07/18/2006 |
| 7073277 | Shoe having an inner sole incorporating microspheres The invention relates to the field of shoes in general, and more specifically to the application of microspheres in shoe material formulations to yield desired shoe properties. Even more specifically, the invention relates to a shoe component prepared from a closed ... | 07/11/2006 |
| 7060817 | Sulfonamide anions as catalysts for NCO oligomerization 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. ... | 06/13/2006 |
| 7056415 | Wood adhesives The present invention relates to a process for bonding two or more wood substrates by using as the adhesive isocyanate-terminated prepolymers having an isocyanate content of 8 to 20 wt. % and containing the reaction product of a) at least one organic polyisocyanate ... | 06/06/2006 |
| 7038002 | Production of mixtures of diisocyanates and polyisocyanates from the diphenylmethane series with high contents of 4,4′-methylenediphenyl diisocyanate and 2,4′-methylenediphenyl diisocyanate A fraction of diisocyanates of the diphenylmethane series containing at least 95 wt. % binuclear methylenediphenyl diisocyanate is obtained by a) reacting aniline and formaldehyde in the presence of an acid catalyst to produce diamines and polyamines of... | 05/02/2006 |
| 7030275 | Monomer compound comprising several cationic groups, process for making the same, and polymers comprising units deriving therefrom Monomer compounds comprising several cationic groups, a process for making such compounds and polymers derived from such compounds are provided. The monomer compounds are according to formula (I): wherein R1 ... | 04/18/2006 |
| 7001973 | Catalyst and process for preparing low-viscosity and color-reduced polyisocyanates containing isocyanurate groups A low-viscosity polyisocyanate of reduced color, containing isocyanurate groups is prepared by partially trimerizing an aliphatic and/or cycloaliphatic diisocyanate in the presence of 0.02 to 2% weight, based on the weight of the diisocyanate starting material, of a... | 02/21/2006 |
| 6995192 | Radiation-curable prepolymers The present invention provides a radiation-curable prepolymer. The radiation-curable prepolymer of the invention is prepared by reacting an isocyanate-capped polyurethane with an ethylenically unsaturated amine or an ethylenically unsaturated monohydroxy compound or... | 02/07/2006 |
| 6956074 | Polyurethane composition There is a provided a polyurethane composition, which exhibits an excellent property of preventing discoloring or coloring not only by oxidized nitrogen gases but also by heat, characterized in that (A) a hindered phenol antioxidan... | 10/18/2005 |
| 6936677 | (Cyclo)condensation of isocyanate compounds The invention concerns the use of a compound comprising a nitrogenous heterocyclic group with five cyclic members including, at least two nitrogen atoms, one of the nitrogen atoms bearing a hydrogen atom to promote the opening/closing reaction of uretidione cycles i... | 08/30/2005 |
| 6930163 | Process for the continuous preparation of thermoplastically processable polyurethanes with improved softening properties Process for the continuous preparation of thermoplastically processable polyurethane elastomers with improved softening properties is disclosed. The process is carried out in a tubular reactor at a ratio of the circumferential speed of the stirrer (in m/sec) in the ... | 08/16/2005 |
| 6914115 | Low-temperature-curable, solid polyurethane powder coating compositions containing uretdione groups Polyurethane powder coating compositions containing uretdione groups and curing at low temperatures are provided, along with processes for preparing such compositions, and their use as powder coatings, wherein the compositions generally contain: A) a uretdione-conta... | 07/05/2005 |
| 6875243 | Catalysts for preparing polyisocyanates containing isocyanurate groups, and their use Catalysts and processes for preparing polyisocyanates containing isocyanurate groups, and their use, wherein the catalysts are represented by the following formula (1): [Hl⊕Xm⊕Fn⊖] | 04/05/2005 |
| 6846550 | Adhesive film for underfill and semiconductor device using the same An adhesive film for underfill which relaxes the stress formed in the wiring circuit substrate, semiconductor element and electrode parts for connection. The adhesive film is a quickly hardening type, and forms a highly heat resistant sealing resin layer quickly bet... | 01/25/2005 |
| 6833044 | Solvent-free two-component curable adhesive composition The solvent-free two-component adhesive composition of the present invention is prepared by a polyol component (A) and a polyisocyanate component (B), wherein the composition comprises at least one polyol component having crystallinity and selected from the group co... | 12/21/2004 |
| 6815467 | Methods for producing a polyol and a polymer dispersed polyol 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 poly... | 11/09/2004 |
| 6815528 | Organic electrochromic materials for optical attenuation in the near infrared region The invention provides generally a new type of organic electrochromic Near Infrared (NIR)-active materials capable of absorbing and attenuating the light in the NIR region around 1550 nm and forming thin films on electrodes for variable optical attenuator (VOA) appl... | 11/09/2004 |
| 6803445 | Moisture curable polyurethane and/or epoxy resin composition and storage stabilizer contained therein A moisture curable polyurethane composition comprising (A) a urethane prepolymer having two or more isocyanate groups in the molecule, (B) an inorganic filler as a storage stabilizer, (C) an N-silylamide compound represented by the formula (1), (D) an epoxy resin, a... | 10/12/2004 |
| 6800714 | Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups The present invention relates to a catalyst and to a process for preparing color-reduced polyisocyanates containing isocyanurate groups. ... | 10/05/2004 |
| 6777469 | Urea condensate-sewer sludge products Aqueous or solid nitrogen containing compound compounds are produced by heating urea with wet solid sewer sludge thereby producing a urea-urea condensate-sewer sludge composition in a process to dry out the sewer sludge. The urea reacts with itself and with the comp... | 08/17/2004 |
| 6777494 | Optical terpolymer of polyisocyanate, polythiol and polyene monomers A monomer composition characterized by being curable to form a resin suitable for optical products having a balanced refractive index and Abbe's number range and good tintability comprising a polyene monomer; and polyisocyanate, polyisothiocyanate, or an isocyanate ... | 08/17/2004 |
| 6756468 | Compositions for coatings based on (per) fluoropolyethers Cmpositions for coatings having a dry content higher than 80%, preferably of about 85-90% by weight, based on polyisocyanates and PFPEs, completely crosslinkable also in a range of temperatures between 5° C. and 20° C., comprising the following components: ... | 06/29/2004 |
| 6737471 | Polyurethane elastomers which exhibit improved stability to hydrolysis A solid and/or cellular polyurethane elastomers which are produced using polyester polyols are disclosed. The elastomers which exhibit improved stability to hydrolysis are characterized in that their preparation is carried out in the presence of at least one esters ... | 05/18/2004 |